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EP0983830B1 - Verfahren und Vorrichtung zur Herstellung von Verschlusselementen aus Naturkork - Google Patents

Verfahren und Vorrichtung zur Herstellung von Verschlusselementen aus Naturkork Download PDF

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Publication number
EP0983830B1
EP0983830B1 EP19990830541 EP99830541A EP0983830B1 EP 0983830 B1 EP0983830 B1 EP 0983830B1 EP 19990830541 EP19990830541 EP 19990830541 EP 99830541 A EP99830541 A EP 99830541A EP 0983830 B1 EP0983830 B1 EP 0983830B1
Authority
EP
European Patent Office
Prior art keywords
cork
continuous
process according
cutting
semi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19990830541
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English (en)
French (fr)
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EP0983830A3 (de
EP0983830A2 (de
Inventor
Salvatore Mannoni
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mannoni Salvatore
Original Assignee
Mannoni Salvatore
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ITBO980512 external-priority patent/IT1305382B1/it
Priority claimed from ITBO980511 external-priority patent/IT1305381B1/it
Application filed by Mannoni Salvatore filed Critical Mannoni Salvatore
Publication of EP0983830A2 publication Critical patent/EP0983830A2/de
Publication of EP0983830A3 publication Critical patent/EP0983830A3/de
Application granted granted Critical
Publication of EP0983830B1 publication Critical patent/EP0983830B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J5/00—Mechanical working of cork
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/157—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a movable axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/18—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain cubes or the like
    • B26D3/22—Cutting work characterised by the nature of the cut made; Apparatus therefor to obtain cubes or the like using rotating knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/007—Control means comprising cameras, vision or image processing systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • B26D1/15—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D11/00—Combinations of several similar cutting apparatus

Definitions

  • the present invention relates to a process and plant for the production of natural cork closure means for containers of liquids, in particular for wine bottles.
  • Natural cork stoppers of known type are made from the bark of the cork oak.
  • the bark is removed in the form of curved boards from which, after a series of treatments, the stoppers are punched out.
  • the first stage in the manufacturing process is seasoning of the boards which is done in areas exposed to atmospheric agents.
  • the main purpose of seasoning is to arrive at dimensional stability by the loss of water from the plant tissue of the board. Seasoning usually takes about six months.
  • the length of the board seasoning process requires large investment costs in immobilized boards and requires large storage areas for the boards.
  • the boards may be contaminated by external pollutants from, say, plant protection products, pesticides or weed killers present in the external environment or may be contaminated by macro- or microorganisms.
  • the entire board may also be contaminated by pollutants already present in the external layer of the board, which propagate through the rest of the board. These contaminations remain in the stoppers and can give the wine an unpleasant taste.
  • cork boards often have cracks which form on one side during the growth of the suberose tissue.
  • the cracks or other cavities or the large number or pores represent macroscopic defects of the board which are characteristic of parts made from low-quality cork or from rejects.
  • These areas of the board create problems, particularly when the boards are used for the manufacture of stoppers for which it is necessary to use cork of high quality and uniform density. All the macroscopic defects which compromise stopper quality must therefore be removed from the boards.
  • each panel has a highly irregular outline, so that many parts of the panel close to the outline have to be rejected because they do not offer sufficient material to make a complete stopper.
  • the irregular outline of the boards and the macroscopic defects distributed at random over their surface mean that, with conventional manufacturing processes, a large number of semifinished products are produced that do not have the requisite quality characteristics and must therefore be rejected.
  • the Patent U.S. 1,455,762 by Guy C. Howard concerns process and plant only to obtain granulated parts and it includes crushing, shredding, abrasion, grinding, screening and drying operations.
  • the process doesn't concern cork coming from the cork tree that has thickness of some cm and contain almost 100% of cork cells.
  • Such prior art document instead concerns the bark of Douglas tree that contain a relatively very lower amount of cork cells. It include also drying operations and it is suitable to obtain only granulated parts from which it is possible separating the cork cell parts.
  • the best direction of first-cutting lines is perpendicular to the cork tree trunk, in order to obtain strips or part of these where the breaks are short, obtaining also a better view for a, tailor made, second-cutting; saving cork material and avoiding a very larger amount of rejected products.
  • the reference number 1 indicates a board of cork that has been removed from the bark tissue of a cork oak (not illustrated).
  • the board 1 is in the shape of a portion of a cylindrical shell of length L, width W and thickness S.
  • the board 1 has a concave face 2 termed the belly which is relatively smooth and a convex face 3 known as the back which is very rough.
  • the board 1 also has a plurality of lenticels or pores 4 which are small passages of regular section which extend between the belly 2 and the back 3 in roughly radial directions relative to the trunk.
  • the board 1 has annual growth layers 5 and relatively deep natural cracks 6 which run longitudinally along the back 3.
  • the unseasoned boards 1 are cut longitudinally to form strips, marked 19 in Figure 2, having a width W1 and a length L.
  • Precutting is done by means of a cutting apparatus (not shown) which sections the boards into two or more strips, usually along already-existing axial cracks. Consequently the strips 19 differ from the boards 1 only in that their width W1 is substantially less than the width W of the boards 1.
  • the strips 19 are brushed by a brushing apparatus marked 46 in Figure 4.
  • the apparatus 46 comprises a conveyor 47 having a frame 48 that carries supporting rollers 49 arranged in an arc of a circle.
  • a belt conveyor 50 operates in conjunction with the rollers 49 to form a supporting surface for the strips 19 shaped as a sector of a cylinder.
  • the apparatus 46 also includes a plurality of brushes 51, 52 and 53 positioned above the belt 50. The brushes 51, 52 and 53 are all at the same distance from the belt 50 and this distance is adjustable according to the thickness S of the strips 19.
  • the strips 19 are advanced by the belt 50 while the brushes 51, 52 and 53 rotate about respective axes and remove surface impurities from the backs 3 of the strips 19 by abrasion of a layer of cork whose thickness can be varied by adjusting the distance between the brushes 51, 52 and 53 and the belt conveyor 50.
  • Figures 3a, 3b and 3c show three different kinds of cork stoppers which can be produced by the process according to the invention.
  • the stopper 8 is a cylinder of height H and diameter D with a lateral surface 8L, two bases 8B and a longitudinal axis 11.
  • the stopper 8 is made from a single piece 12 of cork whose lenticels 14 run parallel to the axis 11.
  • a stopper 9 is a cylinder of height H and diameter D, a lateral surface 9L, two bases 9B and a longitudinal axis 13.
  • the stopper 9 is formed from two pieces of cork 14, 15 whose respective lenticels 4 are parallel with the axis 13.
  • the pieces 14, 15 are joined together e.g.
  • the process according to the invention can also be used to make conventional stoppers consisting of a single piece of cork of height H1, diameter D1, with a lateral surface 10L, two bases 10B and a longitudinal axis 16.
  • the stopper 10 is made from a single piece of cork 17 whose respective lenticels 4 are oriented transversely to the longitudinal axis 16.
  • the unseasoned strips 19 are preferably sent to a flattening and softening station. After this, the strips are sent to a rapid cutting station which forms cubes of unseasoned cork with a base of approximately 5 cm and a height equal to no more than the thickness S of the boards.
  • panels of unseasoned cork marked 202 in Figure 13 are obtained, each having two principal parallel faces 203a, 203b and a side wall 204 with irregular profile and undulations.
  • Each panel 202 also includes lenticels or pores 205 which extend at right angles to the principal faces.
  • the principal faces include areas 206 in which the lenticels 205 are present with a particularly high density or have a relatively high cross section compared with other areas of the faces 203a and 203b. The areas 206 are unsuitable for high-quality finished products because of the macroscopic defects of the cork.
  • the reference number 201 indicates a cutting machine comprising an image acquisition apparatus 208, an apparatus 209 for cutting the panels 202, another cutting apparatus 210 and a selection apparatus 211.
  • the apparatus 209, 210 and 211 of the machine 201 are controlled by an examination, processing and control unit 212 comprising a memory unit 213.
  • the apparatus 208 comprises a table 214 along which the panels 202 advance following a path P1.
  • the table 214 comprises a portion 216 of crystal glass or other transparent material and metallic portions 215 and 217.
  • the apparatus 208 comprises a carriage 218 for moving the panels 202 forward, a rack guide 219 and a guide 220 that extends parallel to the rack guide 219 in the direction of advance of the panels and supports, together with the guide 219, the advancing carriage 218.
  • the apparatus 208 includes a drive member 221 which engages with the rack guide 219 to move the carriage 218 along the guides 219 and 220.
  • the carriage 218 comprises a bar 222 that lies transversely to the direction of advance and from which extend rods 223 that each support respective gripping members 224 each of which comprises a rod 225 extending in the direction of advance and a tooth 226 at the rear end of the rod 225, with reference to the direction of advance D1.
  • the apparatus 208 also includes positioning members 227 that are located alongside the portion 216 and locate each panel 202 in a particular position in a direction at right angles to the direction of advance D1.
  • the positioning members 227 comprise two hydraulic cylinders 228 fitted with push pads 231 on the ends of their rods 229.
  • an elastic opposing means 232 that comprises a plurality of fixed supports 233 and a plurality of mobile supports 234 connected to the fixed supports 233 by helical springs 235 or similar elastic bodies that can deform at right angles to the direction of advance D1.
  • the apparatus 208 also includes two video cameras 236 and 237 underneath the transparent portion 216 of the table 214 and aimed at different angles towards the portion 216 which is illuminated by a lamp 238 positioned between the video cameras 236 and 237.
  • Each video camera 236, 237 is connected to its own image analyser 239, 240 which in turn is connected to the unit 212.
  • the apparatus 209 for cutting the panels 202 comprises a shaft 241 which is supported by the portion 217 and is able to rotate about an axis 242 lying at right angles to the direction of advance D1.
  • the shaft 241 supports a plurality of circular blades 243 at right angles to the axis 242 and uniformly distributed along this axis.
  • the metal portion 217 has fingers 244 each lying in the space between two adjacent blades and connected to a chute 245 which guides the strips 246 to a second cutting apparatus 285 as they are cut from the panel 202.
  • the strips of cork 246 formed by the cutting up of the panel 202 are then cut at right angles to their longitudinal axis by a second cutting apparatus 285 that includes a motorized shaft 288 carrying a plurality of circular blades 289.
  • This cutting action produces a plurality of blocks of cork 266.
  • Acceptable blocks are essentially parallelepipeds with a square base and a height equal to the height of the panel. They also have no macroscopic defects.
  • Also produced at the same time as the acceptable blocks are items of cork that have defects of shape or a high density of lenticels 206 or cracks 207.
  • the distance between the individual rotating blades is varied on instructions from the processing unit according to the dimensions of the parts that are to be rejected and on the predetermined dimensions of the required products.
  • the selection apparatus 211 comprises a plurality of conveyors 267 for advancing the semifinished products 266a and 266b in the direction D1.
  • Deflectors 271, 272 and 273 divide the semifinished products into two or more quality categories on the basis of information acquired by the video cameras 236 and 237.
  • the video cameras 236 and 237 acquire data about the image in the face of a panel 202 and transmit the acquired data to the image analysers 239, 240, which then encode the various parts of the image and compare the parts of the image with intervals of acceptability so as to identify any macroscopic defects.
  • the image analysers transmit the data about the macroscopic defects of the panel to the control unit 212.
  • the unit 212 uses a ready-installed optimizing algorithm to determine where to make the longitudinal cutting lines 283 and transverse cutting lines 284, schematically indicated in Figure 15.
  • the algorithm used is installed in such a way that the parts of the cork that will have to be rejected are minimized on the basis of the dimensions of the semifinished products 266 and the outline 204 of each panel 202.
  • the longitudinal cutting lines 283 are approximately the same distance apart from each other, which distance is equal to the size of the semifinished products 266. Based on the results supplied by the algorithm employed, the panel 202 is positioned by the members 227 against the elastic opposing means 232 so as to determine the position of the cutting lines 283 with respect to the panel 202 which is advanced by the carriage 218 in the direction D1 towards the blades 242 so that the strips 246 can be cut from the panel 202. The strips 246 are laid in succession on the table 247 for a further cutting operation by means of the second cutting apparatus 285.
  • each strip 246 laid on the table 247 is grasped at each end by respective advancing members 248 and by respective supporting members 258 and is advanced in the direction D1 in steps, determined as a function of the transverse cutting lines 284.
  • the unit 212 having determined the cutting lines 283 and 284, stores in the memory 213 the cutting lines 283 and 284 and the images of each cube 266a and 266b defined by the lines 283 and 284 and by the outline of the panel 202.
  • the unit 212 arranges for the strips 246 to be advanced ready for the cuts in the positions determined by the lines 284 by causing the strip 246 to stop alongside the cutting member 253, which then lowers the cutting unit 285 containing the motor 290 and the blades 289 and cuts the semifinished products 266a and 266b from the strip 246.
  • the transverse cutting lines 284 occur at an interval equal to the sides of the semifinished product 266a except for cases in which a semifinished product 266b with a macroscopic defect is to be isolated, thus reducing the amount of cork rejected to a minimum.
  • the cubes of unseasoned cork produced by the machine 201 can undergo an optional operation for the removal of portions of crust and belly.
  • the seasoning station of the plant is preferably formed by a continuous seasoning plant marked 140.
  • the plant 140 comprises a pipe 141 extending between an inlet 142 and outlet 143, the latter being closed by a hinged cap 144.
  • a ventilation unit 146 draws in air from the external environment and passes it into the pipe 141 through an auxiliary pipe 145. Between the ventilation unit 146 and the auxiliary pipe 145 is a dehumidifier 147 and a heating unit 148.
  • each of which comprises a body 103 and a cap 104 which screws onto the body 103.
  • the body 103 contains holes 107 both on its lateral surface and on its base 105 so that the internal volume of the container 102 is in communication with the external environment.
  • the modular containers 102 containing the products to be seasoned are pulled by a chain 149 from the inlet 142 towards the outlet 143 of the pipe 141 while a stream of air flows through it in the opposite direction to the direction of movement of the containers 102.
  • the same containers 102 can also be used for boiling the semifinished products of seasoned cork.
  • the number 109 denotes a continuous boiling plant fed with the modular containers 102 containing the seasoned cubes 24.
  • the plant 109 includes a Y- or U-shaped tube filled with water and comprising a vertical length of tube 110 connected to two lengths of tube 111 and 112 defining a path along which the modular containers 102 advance, connected to each other by a chain 113.
  • Tube length 111 includes an upper end closed by a cap 114 and a filling pipe 115 fitted with a valve 116 through which the plant is filled with water.
  • Tube length 112 is fitted with a hinged cap 117, next to which is an intermittent drive apparatus AZ for pulling the chain 113 and the containers 102.
  • Tube length 110 is closed at its lower end by a valve 118, through which the water can be drained from the plant.
  • a heater 119 is provided to heat the water contained in the plant.
  • the semifinished products then undergo cutting operations to produce the stoppers illustrated in Figures 3a or 3c.
  • the blocks of cork can also be bonded together, keeping the lenticels parallel, in such a way as to form rods of a given length which are then cut at regular intervals to produce stoppers of the type illustrated in Figure 3b, each of which is composed of two or more discs of cork bonded together.
  • the stoppers are then put through a washing operation which preferably takes place in a continuous-cycle plant having a form similar to that used for the boiling, using a mixture of water and food-grade ethyl alcohol.
  • the stoppers then undergo bleaching by a machine 124 comprising a conveyor 125 having a belt 126 transparent to ultraviolet radiation.
  • the machine 125 comprises two ultraviolet-emitting apparatuses 129 and 130, one above and one below the working side of the conveyor belt.
  • the stoppers are advanced by the conveyor along a given path and are irradiated from above and below by the ultraviolet radiation emitted by the apparatuses 129 and 130 which can be regulated to give the required intensity of treatment.
  • Last of all the stoppers are sent to a packing machine (not shown) where the stoppers are packed in cartridges 137, as illustrated in Figure 10, in which the stoppers are arranged separately, all oriented in the same direction and inserted into respective seats 138 in a plastic blister-pack material forming a continuous strip 139.
  • the process and the plant according to the present invention not only reduce seasoning times but also have a great number of advantages.
  • the separating out of parts of cork is done by cutting tools only, and tools which may produce dust which would clog the lenticels 4 are eliminated.
  • the process thus makes it possible to produce stoppers with a higher degree of cleanliness than conventional stoppers.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Wood Science & Technology (AREA)
  • Closures For Containers (AREA)

Claims (7)

  1. Prozess zur Herstellung von Verschlussvorrichtungen aus natürlichem Kork (8, 9,10) für Flüssigkeitsbehälter aus ungelagerten, rohen Platten (1) natürlichen Korks, bestehend aus den folgenden Phasen:
    Fortlaufender und selektiver Vorschnitt der genannten Platten in Streifen (202) mit zwei gegenüberliegenden Hauptseiten (203a, 203b) sowie einem unregelmäßigen Außenrand (204)
    Erfassung eines Bildes (I) von jedem Streifen (202) es ist bestimmet für jeden Streifen (202) mittels eines Optimierungsalgorithmus, wobei die erste und zweite Schnittlinie (283, 284) auf Grundlage folgender Elemente festgelegt werden: jeglichen makroskopischen Defekten (206, 207), dem unregelmäßigen Außenrand (204) jedes Streifens (202) sowie der Abmessung der Halbfertigerzeugnisse (266a).
    Klassifizierung und Zuschnitt aller Halbfertigerzeugnisse (266a, 24) auf eine gegebene kleine Abmessung sowie frei von makroskopischen Defekten, und Aussonderung defekter Erzeugnisse (206b).
    Durchführung einer kontinuierlichen Lagerung der genannten Halbfertigerzeugnisse.
  2. Prozess nach Patentanspruch 1 dadurch gekennzeichnet :
    Eine Vorhabphase des kontinuierlichen Bürstens mindestens einer Oberfläche (3) jeder Platte (1) oder jedes Plattenstreifens (19) mittels motorbetriebener rotierender Bürsten (51, 52, 53), um von dieser Platte (1) oder diesem Plattenstreifen (19) eine äußere Schicht durch Abrieb zu entfernen.
  3. Prozess nach Patentanspruch 1 dadurch gekennzeichnet :
    Kontinuierliches Kochen der kleinen Halbfertigerzeugnisse aus Kork, von denen die als Rücken (3) bezeichnete, holzige Schicht entfernt wurde, wobei diese Erzeugnisse aus der Lagerung entnommen und in perforierten modularen Behältern (102) behandelt werden.
  4. Prozess nach Patentanspruch 1 dadurch gekennzeichnet :
    Kontinuierliches Spülen dieser Verschlussvorrichtungen (8, 9, 10) in einer Flüssigkeitsmischung, die nahrungsmittelechten Ethylalkohol enthält.
  5. Prozess nach Patentanspruch 1 dadurch gekennzeichnet :
    Einfüllen der losen Halbfertigerzeugnisse zur Weiterverarbeitung im Kettenbetrieb in perforierte, modulare Behälter (102) für die kontinuierliche Behandlung während der Lagerung, des Kochens und des Spülens sowie zur Weiterführung mittels Transportmitteln (AZ, 113) während des Prozesses zur Beförderung dieser Behälter.
  6. Prozess nach Patentanspruch 1 dadurch gekennzeichnet :
    Hygienischer Schutz der in eine kontinuierlichen Einzelreihe angeordneter Fertigerzeugnisse durch einzelnes Verpacken jedes Erzeugnisses, wobei ein fortlaufender Durchdrückverpackungsstreifen aus durchsichtigem Material gebildet wird, das Kennnummern oder - Codes zur eindeutigen Kennzeichnung des einzelnen Artikels auf Grundlage der durch die Verarbeitungsvorrichtung gelieferten Daten enthalten.
  7. Anlage zur Durchführung des Prozesses nach Patentspruch 1, wobei
    diese Anlage die Schneidvorrichtungen (201), Bilderfassungsvorrichtungen (208) sowie die kontinuierlichen Behandlungsvorrichtungen für die Lagerung (140), das Kochen (109a) und Spülen (1 09b) umfasst. Zu jeder Installation gehört dabei eine "Y"förmige Rohrleitung mit abgerundeten Winkeln oder eine "U"- förmige Rohrleitung (111, 112) zur Aufnahme der Bearbeitungsflüssigkeiten, sowie einer Vielzahl von modularen Behältern (102) zur Aufnahme der genannten Halbfertigerzeugnisse.
EP19990830541 1998-09-03 1999-08-31 Verfahren und Vorrichtung zur Herstellung von Verschlusselementen aus Naturkork Expired - Lifetime EP0983830B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITBO980511 1998-09-03
ITBO980512 IT1305382B1 (it) 1998-09-03 1998-09-03 Metodo di taglio di pannelli,in particolare pannellidi sughero naturale, e macchina per l'attuazione del medesimo
ITBO980511 IT1305381B1 (it) 1998-09-03 1998-09-03 Metodo per la realizzazione di elementi di chiusura in sugheronaturale ed impianto per l'attuazione del medesimo
ITBO980512 1998-09-03

Publications (3)

Publication Number Publication Date
EP0983830A2 EP0983830A2 (de) 2000-03-08
EP0983830A3 EP0983830A3 (de) 2001-06-20
EP0983830B1 true EP0983830B1 (de) 2004-10-06

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ES2274951T3 (es) * 2002-08-30 2007-06-01 Jose Luis Godoy Varo Tapon multicapa de corcho natural y procedimiento para su fabricacion.
EP1724075A3 (de) * 2004-10-08 2011-12-21 José Luis Godoy Varo Automatische Einrichtung und Verfahren zur Handhabung und Bearbeitung von Korkplatten
ES2302486B1 (es) * 2008-02-21 2009-07-27 Jose Luis Godoy Varo Metodo y aparato para fabricacion de tapones multicapa de corcho natural y tapon multicapa de corcho natural.
IT1395893B1 (it) * 2009-09-18 2012-10-26 Sugherificio Colla E Fresu S R L Turacciolo e suo metodo di realizzazione.
EP3106274A1 (de) 2015-06-04 2016-12-21 Amorim Cork Research, Lda. Schneidmaschine mit korkbasierten brettern
PT109363B (pt) * 2016-05-04 2021-12-13 Hugo Ferreira Guimaraes Dispositivo e processo de aproveitamento de qualidade de rolhas de cortiça
CN109940722B (zh) * 2019-04-04 2021-03-12 河北百林软木制品有限公司 一种软木塞快速填补设备及方法
WO2020223929A1 (zh) * 2019-05-08 2020-11-12 河北百林软木制品有限公司 木塞编码方法及装置、木塞追溯方法及装置、电子设备
ES2826648A1 (es) * 2020-07-29 2021-05-18 Univ Madrid Politecnica Procedimiento de evaluacion de la calidad de lotes de planchas de corcho

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US1455762A (en) * 1921-11-10 1923-05-15 Guy C Howard Process of recovering cork and other products from bark
FR2576826B1 (fr) * 1985-02-05 1988-08-26 Barrere Francis Procede de fabrication de bouchons en liege naturel

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ES2230827T3 (es) 2005-05-01
EP0983830A3 (de) 2001-06-20
PT983830E (pt) 2005-02-28
EP0983830A2 (de) 2000-03-08
DE69920839D1 (de) 2004-11-11

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