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US3894237A - Method and apparatus for curing inks on metal containers by ultra violet light - Google Patents

Method and apparatus for curing inks on metal containers by ultra violet light Download PDF

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Publication number
US3894237A
US3894237A US443367A US44336774A US3894237A US 3894237 A US3894237 A US 3894237A US 443367 A US443367 A US 443367A US 44336774 A US44336774 A US 44336774A US 3894237 A US3894237 A US 3894237A
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Prior art keywords
conveyor
containers
ultra violet
container
peg
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Expired - Lifetime
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US443367A
Inventor
Gary E Choate
Larry Mason Dugan
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Coors Brewing Co
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Coors Container Co
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Publication date
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Priority to US443367A priority Critical patent/US3894237A/en
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Assigned to ADOLPH COORS COMPANY, A CO CORP. reassignment ADOLPH COORS COMPANY, A CO CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: COORS CONTAINER COMPANY
Assigned to COORS BREWING COMPANY, GOLDEN, CO 80401 A CORP. OF CO reassignment COORS BREWING COMPANY, GOLDEN, CO 80401 A CORP. OF CO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: ADOLPH COORS COMPANY, A CORP. OF CO
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/122—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
    • F26B15/128—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate the rods being attached at one end to an endless conveying means, the other end being free to receive hollow articles, e.g. cans

Definitions

  • ABSTRACT Disclosed herein is a method and apparatus for curing inks and decorative coatings on containers, particularly cans having a cylindrical body and closed end, the opposite end being open.
  • the apparatus comprises a peg-chain type conveyor on which cans are mounted and rotated while being carried past an ultra violet light assembly including a lamp tube, reflector and mounting frame disposed at an angle to the path of movement of the conveyor.
  • the peg construction comprises a center pin and a sleeve rotatably mounted on the pin. Rotation of the sleeve transmits rotary motion to the container mounted on the peg.
  • the method comprises the application of an ultra violet sensitive coating to cans, placing a coated container on a peg of a chain conveyor, and transmitting rotary motion to the can while subjecting the container to a band of concentrated ultra violet light beamed on the rotated container in a helical pattern while it is moving past the light assembly.
  • This invention relates to a method and apparatus for curing inks and other coatings on containers by ultra violet light.
  • the inks and other coatings are ultra violet sensitive.
  • the containers may vary, but the invention is described herein as applied to metal cans comprising a 1 cylindrical body and one closed end, the opposite end being open. I
  • the source of artificial ultra violet light employed in this process is a long quartz tube filled with a mixture of argon and mercury in correct proportions.
  • Ultra violet works with polymers, the chemical components of which are polyesters, monomers, and initiators.
  • polyesters, monomers, and initiators When ultra violet energy is applied in high concentration to polymeric coatings the result is a crosslinking of these substances, thus producing a cured surface on the substrate without using intense heat and without the cooling necessary to return the substrate to its original temperature.
  • polymer inks do not contain any solvents. pollutants given off by prior art inking systems are eliminated.
  • the main object of this invention is to provide a method and apparatus for curing inks and coatings on metal surfaces and more particularly on the exteriors of cylindrical containers which have been printed or decorated in a printing machine, without subjecting the decorated containers to a drying process under high heat such as heretofore used in ovens which are parts of conventional printing systems.
  • Another object of the invention is to increase the efficiency of the ultra violet curing process by interrupting the beaming of the lamp on the substrate.
  • this object is achieved by rotating the containers about their axes while supported on a moving conveyor so that surface areas of the containers are progressively and successively subjected to ultra violet light in a helical pattern and the beaming of the light on different areas is interrupted during each rotation of the container.
  • FIG. 1 is a plan view of apparatus embodying the in vention for curing inks on decorated containers, showing a plurality of such containers mounted on pegs on a peg-chain type of conveyor moving past an ultra violet lamp mounted in a reflector, and including means for rotating the containers.
  • FIG. 2 is an elevational view, partly in section, in the plane of the line 2-2 of FIG. 1, on an enlarged scale, of one of the containers mounted on a peg and showing also the means for rotating the container.
  • FIG. 3 is a transverse sectional view, on an enlarged scale. in the plane of the line 33 of FIG. 1.
  • FIG. 4 is a fragmentary sectional view of a modified form of peg which may besubstituted for the peg of FIG. 2.
  • the invention has been applied to cans 10 each having a cylindrical body 11 and integrally formed closed end 12.
  • the opposite end 13 is open.
  • the cans 10 have been decorated externally on their bodies 11- in a printer (not shown) in which the cans are transferred from the printing mechanism to a peg-chain type conveyor 15 comprising a chain 16, chain guide 16' and a conventional pin 17 which is the center of the peg of this invention.
  • a peg-chain type conveyor 15 comprising a chain 16, chain guide 16' and a conventional pin 17 which is the center of the peg of this invention.
  • the pin 17 is covered by a steel sleeve 18 mounted on brass bushings 19.
  • a sleeve 20 of yieldable material such as ethylene or propylene covers the steel sleeve 18.
  • the sleeve 20 extends from the outer end of the sleeve 18 inwardly but not to the inner end of the sleeve 18. The sleeve is exposed in the area indicated at 18.
  • the steel sleeve 18 is retained by any suitable means 21 on the inner pin 17.
  • the outer sleeve 20 preferably extends over the outer end of the inner structure and has a nylon rivet 22 on its outer end.
  • the sleeve 20 is mounted directly on the center pin 17.
  • the sleeves 18 and 20 rotate on the pin 17.
  • the sleeve 20 rotates on the pin 17.
  • the exposed inner end 18' of the sleeve 18, between the sleeve 20 and the conveyor chain 16, is contacted by a bar 25 which may be stationary or a moving surface for the purpose of rotating the peg sleeve 20, or the sleeves 18 and 20, on the pin 17, while the conveyor chain is moving past the bar 25.
  • a bar 25 which may be stationary or a moving surface for the purpose of rotating the peg sleeve 20, or the sleeves 18 and 20, on the pin 17, while the conveyor chain is moving past the bar 25.
  • rotary motion is transmitted to the cans 10 which are transferred to the pegs as the chain conveyor passes transfer means (not shown).
  • the source of ultra violet light is the lamp tube 30 mounted in a reflector 31 in a frame 32.
  • This assembly is located in an oven (not shown).
  • the ultra violet light assembly is disposed at a slight angle to the conveyor chain and the cans mounted on the pegs.
  • bands of concentrated ultra violet light are beamed on the cans progressively in a helical pattern on the sides alternately exposed to the light rays reflected by the reflector 31.
  • the rotary movement of the cans on their peg supports results in interrupted application of ultra violet on the can surfaces thus alternately exposed to the lamp 30.
  • the curing effectiveness of the ultra violet is enhanced by interrupting or chopping the light beams. This enhancement is achieved by this invention by the interrupted exposure of the surfaces of the cans to the light beams due to rotation of the cans.
  • the angle of the ultra violet lamp assembly to the path of travel of the conveyor 15 and containers 10 mounted thereon is approximately 10, but this may vary according to the speed of travel of the conveyor, the length of the cans, and the time required to effect the curing of the decorated surfaces of the containers 10.
  • the conveyor 15 is tilted slightly as shown in FIG. 3, to keep the cans on the pegs.
  • Apparatus for curing inks and decorative coatings on containers comprising a. a conveyor having container rotating means on which decorated containers are mounted for rotation while being carried by the conveyor,
  • an ultra violet light assembly including a longitudinally extending lamp tube and reflector, said assembly extending at an oblique angle to the path of travel of the conveyor for beaming a band of concentrated ultra violet light on the rotated containers while the containers move past the light assembly, the angle at which the assembly extends relatively to the path of travel of the conveyor being determined by the axial length of the containers such that each container receives bands of ultra violet light in helical pattern progressively from end to end of the container body while it is carried by the conveyor past the assembly.
  • each peg comprising a pin extending at a right angle to the chain of the conveyor, and a sleeve of yieldable material rotatably mounted on the pin and frictionally engaging the interior of the container body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Printing Methods (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Disclosed herein is a method and apparatus for curing inks and decorative coatings on containers, particularly cans having a cylindrical body and closed end, the opposite end being open. The apparatus comprises a peg-chain type conveyor on which cans are mounted and rotated while being carried past an ultra violet light assembly including a lamp tube, reflector and mounting frame disposed at an angle to the path of movement of the conveyor. The peg construction comprises a center pin and a sleeve rotatably mounted on the pin. Rotation of the sleeve transmits rotary motion to the container mounted on the peg. The method comprises the application of an ultra violet sensitive coating to cans, placing a coated container on a peg of a chain conveyor, and transmitting rotary motion to the can while subjecting the container to a band of concentrated ultra violet light beamed on the rotated container in a helical pattern while it is moving past the light assembly.

Description

Choate et al.
July s, 1975 [52] US. Cl 250/453; 250/454 [51] Int. Cl. H01J 37/00 [58] Field of Search 250/453, 454, 455, 492, 250/493, 504; 204/193 [56] References Cited UNITED STATES PATENTS 3,452,195 6/1969 Brunner 250/453 3,530,294 9/1970 Rogers 3,664,188 5/1972 Kockott 250/453 METHOD AND APPARATUS FOR CURING INKS ON METAL CONTAINERS BY ULTRA VIOLET LIGHT Inventors: Gary E. Choate, Golden; Larry Mason Dugan, Boulder, both of Colo.
Assignee: Coors Container Company, Golden,
Colo.
Filed: Feb. 19, 1974 Appl. No.: 443,367
Primary Examiner--Craig E. Church Attorney, Agent, or FirmBertha L. MacGregor [5 7] ABSTRACT Disclosed herein is a method and apparatus for curing inks and decorative coatings on containers, particularly cans having a cylindrical body and closed end, the opposite end being open. The apparatus comprises a peg-chain type conveyor on which cans are mounted and rotated while being carried past an ultra violet light assembly including a lamp tube, reflector and mounting frame disposed at an angle to the path of movement of the conveyor. The peg construction comprises a center pin and a sleeve rotatably mounted on the pin. Rotation of the sleeve transmits rotary motion to the container mounted on the peg. The method comprises the application of an ultra violet sensitive coating to cans, placing a coated container on a peg of a chain conveyor, and transmitting rotary motion to the can while subjecting the container to a band of concentrated ultra violet light beamed on the rotated container in a helical pattern while it is moving past the light assembly.
7 Claims, 4 Drawing Figures This invention relates to a method and apparatus for curing inks and other coatings on containers by ultra violet light. The inks and other coatings are ultra violet sensitive. The containers may vary, but the invention is described herein as applied to metal cans comprising a 1 cylindrical body and one closed end, the opposite end being open. I
It has been customary, in the art of printing and decorating containers, to employ standard inks and'coatings and to subject decorated containers to drying processes that require high heat, followed by cooling. The treatment of decorated containers described herein utilizes ultra violet light in a curing process as distinguished from drying; the curing produces a different product, namely, a cured surface on the substrate, without using intense heat.
The source of artificial ultra violet light employed in this process is a long quartz tube filled with a mixture of argon and mercury in correct proportions. Ultra violet works with polymers, the chemical components of which are polyesters, monomers, and initiators. When ultra violet energy is applied in high concentration to polymeric coatings the result is a crosslinking of these substances, thus producing a cured surface on the substrate without using intense heat and without the cooling necessary to return the substrate to its original temperature. Further, since polymer inks do not contain any solvents. pollutants given off by prior art inking systems are eliminated.
The main object of this invention is to provide a method and apparatus for curing inks and coatings on metal surfaces and more particularly on the exteriors of cylindrical containers which have been printed or decorated in a printing machine, without subjecting the decorated containers to a drying process under high heat such as heretofore used in ovens which are parts of conventional printing systems.
Another object of the invention is to increase the efficiency of the ultra violet curing process by interrupting the beaming of the lamp on the substrate. In the application of this invention to cylindrical containers, this object is achieved by rotating the containers about their axes while supported on a moving conveyor so that surface areas of the containers are progressively and successively subjected to ultra violet light in a helical pattern and the beaming of the light on different areas is interrupted during each rotation of the container.
In the drawings:
FIG. 1 is a plan view of apparatus embodying the in vention for curing inks on decorated containers, showing a plurality of such containers mounted on pegs on a peg-chain type of conveyor moving past an ultra violet lamp mounted in a reflector, and including means for rotating the containers.
FIG. 2 is an elevational view, partly in section, in the plane of the line 2-2 of FIG. 1, on an enlarged scale, of one of the containers mounted on a peg and showing also the means for rotating the container.
FIG. 3 is a transverse sectional view, on an enlarged scale. in the plane of the line 33 of FIG. 1.
FIG. 4 is a fragmentary sectional view of a modified form of peg which may besubstituted for the peg of FIG. 2.
In the embodiment shown in the drawings, the invention has been applied to cans 10 each having a cylindrical body 11 and integrally formed closed end 12. The opposite end 13 is open. The cans 10 have been decorated externally on their bodies 11- in a printer (not shown) in which the cans are transferred from the printing mechanism to a peg-chain type conveyor 15 comprising a chain 16, chain guide 16' and a conventional pin 17 which is the center of the peg of this invention. In one embodiment of this invention, (FIG. 2), the pin 17 is covered by a steel sleeve 18 mounted on brass bushings 19. A sleeve 20 of yieldable material such as ethylene or propylene covers the steel sleeve 18. The sleeve 20 extends from the outer end of the sleeve 18 inwardly but not to the inner end of the sleeve 18. The sleeve is exposed in the area indicated at 18. The steel sleeve 18 is retained by any suitable means 21 on the inner pin 17. The outer sleeve 20 preferably extends over the outer end of the inner structure and has a nylon rivet 22 on its outer end. In the modification shown in FIG. 4, the sleeve 20 is mounted directly on the center pin 17. In the embodiment of the peg shown in FIG. 2, the sleeves 18 and 20 rotate on the pin 17. In the modification of FIG. 4, the sleeve 20 rotates on the pin 17.
The exposed inner end 18' of the sleeve 18, between the sleeve 20 and the conveyor chain 16, is contacted by a bar 25 which may be stationary or a moving surface for the purpose of rotating the peg sleeve 20, or the sleeves 18 and 20, on the pin 17, while the conveyor chain is moving past the bar 25. Thus rotary motion is transmitted to the cans 10 which are transferred to the pegs as the chain conveyor passes transfer means (not shown).
The source of ultra violet light is the lamp tube 30 mounted in a reflector 31 in a frame 32. This assembly is located in an oven (not shown). The ultra violet light assembly is disposed at a slight angle to the conveyor chain and the cans mounted on the pegs. The result is that bands of concentrated ultra violet light are beamed on the cans progressively in a helical pattern on the sides alternately exposed to the light rays reflected by the reflector 31. The rotary movement of the cans on their peg supports results in interrupted application of ultra violet on the can surfaces thus alternately exposed to the lamp 30. Experiments indicate that the curing effectiveness of the ultra violet is enhanced by interrupting or chopping the light beams. This enhancement is achieved by this invention by the interrupted exposure of the surfaces of the cans to the light beams due to rotation of the cans.
As shown in the drawings, the angle of the ultra violet lamp assembly to the path of travel of the conveyor 15 and containers 10 mounted thereon, is approximately 10, but this may vary according to the speed of travel of the conveyor, the length of the cans, and the time required to effect the curing of the decorated surfaces of the containers 10. The conveyor 15 is tilted slightly as shown in FIG. 3, to keep the cans on the pegs.
We claim:
1. Apparatus for curing inks and decorative coatings on containers comprising a. a conveyor having container rotating means on which decorated containers are mounted for rotation while being carried by the conveyor,
b. means for rotating said container rotating means,
and
c. an ultra violet light assembly including a longitudinally extending lamp tube and reflector, said assembly extending at an oblique angle to the path of travel of the conveyor for beaming a band of concentrated ultra violet light on the rotated containers while the containers move past the light assembly, the angle at which the assembly extends relatively to the path of travel of the conveyor being determined by the axial length of the containers such that each container receives bands of ultra violet light in helical pattern progressively from end to end of the container body while it is carried by the conveyor past the assembly.
2. The apparatus defined by claim 1, in which the containers are externally decorated with ultra violet sensitive inks or coatings.
3. The apparatus defined by claim 2, in which the inks or coatings are polymeric inks or coatings.
4. The apparatus defined by claim 1, in which the conveyor is a peg-chain type conveyor, each peg comprising a pin extending at a right angle to the chain of the conveyor, and a sleeve of yieldable material rotatably mounted on the pin and frictionally engaging the interior of the container body.
5. The apparatus defined by claim 4, in which the containers have cylindrical bodies closed at one end and open at the other end, and the said pegs enter the containers through said open ends.
6. The apparatus defined by claim 4, in which the means for rotating the containers is a surface adjacent the conveyor positioned to contact the sleeves on the pins of the pegs as they pass said surface.
7. The apparatus defined by claim 6, in which the contacting surface adjacent the conveyor is a stationary bar.
Notice of Adverse Decision in Interference In Interference No. 99,325, involving Patent No. 3,894,237, G. E. Choate and L. M. Dugan, METHOD AND APPARATUS FOR CURING INKS ON METAL CONTAINERS BY ULTRA VIOLET LIGHT, final judgment adverse to the patentees was rendered Apr. 14:, 1977, as to claims 1, 2, 4 and 5.
[Ofii'oz'al Gazette August 2, 1977.]

Claims (7)

1. Apparatus for curing inks and decorative coatings on containers comprising a. a conveyor Having container rotating means on which decorated containers are mounted for rotation while being carried by the conveyor, b. means for rotating said container rotating means, and c. an ultra violet light assembly including a longitudinally extending lamp tube and reflector, said assembly extending at an oblique angle to the path of travel of the conveyor for beaming a band of concentrated ultra violet light on the rotated containers while the containers move past the light assembly, the angle at which the assembly extends relatively to the path of travel of the conveyor being determined by the axial length of the containers such that each container receives bands of ultra violet light in helical pattern progressively from end to end of the container body while it is carried by the conveyor past the assembly.
2. The apparatus defined by claim 1, in which the containers are externally decorated with ultra violet sensitive inks or coatings.
3. The apparatus defined by claim 2, in which the inks or coatings are polymeric inks or coatings.
4. The apparatus defined by claim 1, in which the conveyor is a peg-chain type conveyor, each peg comprising a pin extending at a right angle to the chain of the conveyor, and a sleeve of yieldable material rotatably mounted on the pin and frictionally engaging the interior of the container body.
5. The apparatus defined by claim 4, in which the containers have cylindrical bodies closed at one end and open at the other end, and the said pegs enter the containers through said open ends.
6. The apparatus defined by claim 4, in which the means for rotating the containers is a surface adjacent the conveyor positioned to contact the sleeves on the pins of the pegs as they pass said surface.
7. The apparatus defined by claim 6, in which the contacting surface adjacent the conveyor is a stationary bar.
US443367A 1974-02-19 1974-02-19 Method and apparatus for curing inks on metal containers by ultra violet light Expired - Lifetime US3894237A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008401A (en) * 1975-10-01 1977-02-15 Dart Industries Inc. U. V. curing system
US4048917A (en) * 1975-09-26 1977-09-20 Sun Chemical Corporation Continuous motion printing apparatus
US4048916A (en) * 1975-09-26 1977-09-20 Sun Chemical Corporation Curing section for continuous motion decorator
US4129206A (en) * 1976-05-24 1978-12-12 Coors Container Company Container rotating means in apparatus for curing inks and decorative coatings
US4193204A (en) * 1978-12-11 1980-03-18 American Can Company Ultraviolet light curing apparatus for containers and the like
US4297583A (en) * 1979-02-08 1981-10-27 American Can Company Ultraviolet light apparatus
US4535549A (en) * 1983-11-02 1985-08-20 American Screen Printing Equipment Company Curing apparatus
US4776270A (en) * 1986-04-25 1988-10-11 Hosiden Electronics Co., Ltd. Method of printing characters on resin key tops
EP0491511A1 (en) * 1990-12-19 1992-06-24 Ltg Lufttechnische Gmbh Pin ovens
US20190016167A1 (en) * 2017-07-14 2019-01-17 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10871326B2 (en) 2018-09-06 2020-12-22 Stolle Machinery Company, Llc Infrared can curing oven
US11633758B2 (en) 2019-04-19 2023-04-25 Photex Inc. System and method for inside of can curing
US12103039B2 (en) 2020-05-26 2024-10-01 Ball Corporation Apparatus and method to heat metallic containers or workpieces

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452195A (en) * 1964-04-14 1969-06-24 Sulzer Ag Irradiation apparatus with specific means to load and unload a chain conveyor
US3530294A (en) * 1965-04-26 1970-09-22 Atomic Energy Authority Uk Apparatus for irradiating articles moving along a helical trackway
US3664188A (en) * 1967-06-19 1972-05-23 Original Hanau Quarzlamper Gmb Apparatus for accelerated testing of the light and weather resisting ability of different materials

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452195A (en) * 1964-04-14 1969-06-24 Sulzer Ag Irradiation apparatus with specific means to load and unload a chain conveyor
US3530294A (en) * 1965-04-26 1970-09-22 Atomic Energy Authority Uk Apparatus for irradiating articles moving along a helical trackway
US3664188A (en) * 1967-06-19 1972-05-23 Original Hanau Quarzlamper Gmb Apparatus for accelerated testing of the light and weather resisting ability of different materials

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048917A (en) * 1975-09-26 1977-09-20 Sun Chemical Corporation Continuous motion printing apparatus
US4048916A (en) * 1975-09-26 1977-09-20 Sun Chemical Corporation Curing section for continuous motion decorator
US4008401A (en) * 1975-10-01 1977-02-15 Dart Industries Inc. U. V. curing system
US4129206A (en) * 1976-05-24 1978-12-12 Coors Container Company Container rotating means in apparatus for curing inks and decorative coatings
US4193204A (en) * 1978-12-11 1980-03-18 American Can Company Ultraviolet light curing apparatus for containers and the like
US4297583A (en) * 1979-02-08 1981-10-27 American Can Company Ultraviolet light apparatus
US4535549A (en) * 1983-11-02 1985-08-20 American Screen Printing Equipment Company Curing apparatus
US4776270A (en) * 1986-04-25 1988-10-11 Hosiden Electronics Co., Ltd. Method of printing characters on resin key tops
EP0491511A1 (en) * 1990-12-19 1992-06-24 Ltg Lufttechnische Gmbh Pin ovens
US5272970A (en) * 1990-12-19 1993-12-28 Carnaudmetalbox Plc Pin ovens and transfer devices therefor
US5564334A (en) * 1990-12-19 1996-10-15 Ltg Lufttechnische Gmbh Pin ovens and transfer devices therefor
US20190016167A1 (en) * 2017-07-14 2019-01-17 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10259249B2 (en) * 2017-07-14 2019-04-16 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US20190232702A1 (en) * 2017-07-14 2019-08-01 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10603944B2 (en) * 2017-07-14 2020-03-31 Stolle Machinery Company, Llc Post-treatment assembly and method for treating work pieces
US10871326B2 (en) 2018-09-06 2020-12-22 Stolle Machinery Company, Llc Infrared can curing oven
US11874058B2 (en) 2018-09-06 2024-01-16 Stolle Machinery Company, Llc Infrared can curing oven
US11633758B2 (en) 2019-04-19 2023-04-25 Photex Inc. System and method for inside of can curing
US12103039B2 (en) 2020-05-26 2024-10-01 Ball Corporation Apparatus and method to heat metallic containers or workpieces

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Owner name: ADOLPH COORS COMPANY, A CO CORP., COLORADO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:COORS CONTAINER COMPANY;REEL/FRAME:005012/0119

Effective date: 19851216

AS Assignment

Owner name: COORS BREWING COMPANY, GOLDEN, CO 80401 A CORP. OF

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Effective date: 19901231