WO1996009924A1 - Container forming apparatus - Google Patents
Container forming apparatus Download PDFInfo
- Publication number
- WO1996009924A1 WO1996009924A1 PCT/AU1995/000627 AU9500627W WO9609924A1 WO 1996009924 A1 WO1996009924 A1 WO 1996009924A1 AU 9500627 W AU9500627 W AU 9500627W WO 9609924 A1 WO9609924 A1 WO 9609924A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container forming
- sheet
- container
- forming station
- mould
- Prior art date
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 2
- 208000003643 Callosities Diseases 0.000 claims 1
- 206010020649 Hyperkeratosis Diseases 0.000 claims 1
- 240000008042 Zea mays Species 0.000 claims 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims 1
- 238000005352 clarification Methods 0.000 claims 1
- 235000005822 corn Nutrition 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000002985 plastic film Substances 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000000071 blow moulding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/18—Thermoforming apparatus
- B29C51/20—Thermoforming apparatus having movable moulds or mould parts
- B29C51/24—Thermoforming apparatus having movable moulds or mould parts mounted on movable endless supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
Definitions
- the forming element pairs With mould elements mounted to complementary and synchronised strings, belts, chained links or conveyor, the forming element pairs are able to be moved to continuously and successively come together to engage with a sheet or ribbon of stock material fed therebetween.
- the forming element pairs can be mounted to travel the length of a container formation zone or station at a suitable working spacing. At the end of the zone, the forming elements part to release the formed sheet therefrom at the end of the zone and then loop back to re-engage in the container forming process.
- Forming elements, dies or female mould pieces 21 can be mounted, in this embodiment, one to each link or plate of chain, belt or conveyor 16.
- Each female mould piece 21 can have upstanding end walls 22 and 23 forming a container shape between side walls (not shown).
- the hollow of the female mould piece provides the mould surface against which the deformable or softened plastic or like stock sheet is pushed or pressed to shape or mould it.
- At each corresponding link on complementary chain or belt 15 there can be a respective forming element, die or mould piece 24 which can be mounted in a complementary support therefor such as the hollow of a peripheral enclosing wall, cylinder or housing whose end walls 25 and 26 are seen in the section of FIG. 1.
- the male mould element, die or plug is the means by which, in this embodiment, the sheet is partly pushed into the corresponding female mould. The operation of the mould elements is described below in greater detail with reference to FIG. 2.
- the two mould parts can engage the sheet and form a seal therewith.
- sealing rings 39, 40 can be used to engage the sheet therebetween to form the aforesaid seal.
- Compressed air can be operative to push the plastic around lip 41 to form a desired shape or profile at the container opening.
- the male die part or plug 24 is biassed by means such as springs (not shown) to the retracted position seen at the left and right hand ends of FIG. 2, to return to the fully withdrawn position, shown generally at 42 when cam follower, or roller 34, passes over the shoulder 43 in the cam surface so as to disengage therefrom.
- the plastic may need to be retained for longer times between the mould pieces so as to complete the moulding process.
- the male die part or plug 24 can be used to start the extrusion in preferred embodiments. Compressed air then finishes the forming process, pushing the plastic against the cold female mould or die part where the plastic hardens. Compressed air might be used to provide all the forming needed in the container.
- the female mould parts on chain, belt or conveyor 16 may be cooled by a cooling means before their return to the container forming zone so as to remove therefrom what heat is gained by contact with the heated sheet (to maintain the mould parts effectiveness when passing the forming station, reducing the time needed to complete the process and the length of the forming station).
- a cooling means before their return to the container forming zone so as to remove therefrom what heat is gained by contact with the heated sheet (to maintain the mould parts effectiveness when passing the forming station, reducing the time needed to complete the process and the length of the forming station).
- the female mould can be cooled for the opposite purpose of returning the material to a hardened form as quickly as possible after contact therewith, when the shaping process will be complete.
- the male mould may incorporate a die or plug which complements the female part to squeeze the sheet thereagainst but this can introduce problems with temperature control of the parts.
- the male mould may incorporate the plug illustrated and compressed air can be used to finish the job.
- the male mould can comprise a housing or cylinder only and compressed air only can be used as the only means by which to distend the sheet, but this involves the use of greater volumes of compressed air.
- the chains, belts or conveyors may comprise die support plates which may be joined by pivot means such as pins, in a chain like structure.
- the 'chain' can comprise a series of links in a variety of forms, pivoted together, as with a caterpillar track.
- the 'chain' is a means by which respective pieces of container forming apparatus are brought together over the length of a container formation zone.
- FIG. 3 is seen two chains or conveyors 50, 51, the second conveyor 51 being longer to create a zone 52 whereat the formed material can be extracted from the moulds on conveyor 51 before they reach the turnaround point about sprocket 54 whereat the spreading of the moulds at 53 would tear the formed material if the containers formed therein were still in place. Removing the containers from the moulds at the proper time is easily arranged by providing a guide which feeds the material outwardly at zone 52 as will be clear to the man in the art.
- the two chains or conveyors 50 and 51 come together between pressure plates 55 and 56 which engage with the pivoted mould support plates of the conveyors via intervening runners or guides, 57 and 58, respectively.
- FIG. 4 is seen a cross-sectional detail of a section of an apparatus at the container forming station between the pressure plates 105 and 106 which engage the two conveyors 81, 82 via spaced runners or guides with one of each pair being seen in the figure, 108 and 110 engaging conveyors 81 and 82, respectively.
- a cam block 115 Between the spaced guides or runners engaging conveyor 82 is a cam block 115.
- the conveyors are powered to move from left to right in this figure according to the arrow 70.
- the push rods 71 to 73 are moved axially by the block 115 to move their respective plugs into the adjoining mould.
- the push rods run on a roller or other suitable means to reduce friction.
- FIG. 6 is seen a transverse section through the apparatus at the forming zone, between pressure plates 105, 106 with runners or guides 107 to 110.
- the pressure plates are mounted to support rods 111 and 112 and held in place thereon by nuts such as 113 and 114.
- cam block 115 and slide valve 116 passing air via port 117 to the chamber 96 behind the sheet material (not shown) in the respective female mould.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95933234A EP0784532A4 (en) | 1994-09-26 | 1995-09-25 | Container forming apparatus |
JP8511200A JPH10506336A (en) | 1994-09-26 | 1995-09-25 | Container molding equipment |
AU35978/95A AU700173B2 (en) | 1994-09-26 | 1995-09-25 | Container forming apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM8416 | 1994-09-26 | ||
AUPM8416A AUPM841694A0 (en) | 1994-09-26 | 1994-09-26 | Container forming apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996009924A1 true WO1996009924A1 (en) | 1996-04-04 |
Family
ID=3782935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1995/000627 WO1996009924A1 (en) | 1994-09-26 | 1995-09-25 | Container forming apparatus |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0784532A4 (en) |
JP (1) | JPH10506336A (en) |
AU (1) | AUPM841694A0 (en) |
CA (1) | CA2200971A1 (en) |
WO (1) | WO1996009924A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010112821A (en) * | 2000-06-15 | 2001-12-22 | 김동환 | Container Automatic Molding Machine |
CN111438919A (en) * | 2020-04-10 | 2020-07-24 | 重庆茂森塑料制品有限公司 | Continuous automatic production line for plastic bottles in batches |
CN111531852A (en) * | 2020-05-09 | 2020-08-14 | 重庆茂森塑料制品有限公司 | Plastic bottle mass production equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2062461A5 (en) * | 1969-09-23 | 1971-06-25 | Bp Chem Int Ltd | Thermoplastic sheet material moulding mach - ine |
US4421712A (en) * | 1980-08-13 | 1983-12-20 | Maryland Cup Corporation | Continuously rotary thermo-forming systems and apparatus of the pressure assist, plug assist and match mold type |
-
1994
- 1994-09-26 AU AUPM8416A patent/AUPM841694A0/en not_active Abandoned
-
1995
- 1995-09-25 EP EP95933234A patent/EP0784532A4/en not_active Withdrawn
- 1995-09-25 JP JP8511200A patent/JPH10506336A/en active Pending
- 1995-09-25 WO PCT/AU1995/000627 patent/WO1996009924A1/en not_active Application Discontinuation
- 1995-09-25 CA CA002200971A patent/CA2200971A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2062461A5 (en) * | 1969-09-23 | 1971-06-25 | Bp Chem Int Ltd | Thermoplastic sheet material moulding mach - ine |
US4421712A (en) * | 1980-08-13 | 1983-12-20 | Maryland Cup Corporation | Continuously rotary thermo-forming systems and apparatus of the pressure assist, plug assist and match mold type |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN, M-1226, page 155; & JP,A,03 288 635 (HOKKAI CAN CO. LTD), 18 December 1991. * |
See also references of EP0784532A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010112821A (en) * | 2000-06-15 | 2001-12-22 | 김동환 | Container Automatic Molding Machine |
CN111438919A (en) * | 2020-04-10 | 2020-07-24 | 重庆茂森塑料制品有限公司 | Continuous automatic production line for plastic bottles in batches |
CN111531852A (en) * | 2020-05-09 | 2020-08-14 | 重庆茂森塑料制品有限公司 | Plastic bottle mass production equipment |
CN111531852B (en) * | 2020-05-09 | 2022-01-21 | 重庆茂森塑料制品有限公司 | Plastic bottle mass production equipment |
Also Published As
Publication number | Publication date |
---|---|
JPH10506336A (en) | 1998-06-23 |
EP0784532A1 (en) | 1997-07-23 |
EP0784532A4 (en) | 1998-07-08 |
AUPM841694A0 (en) | 1994-10-20 |
CA2200971A1 (en) | 1996-04-04 |
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