GB2329607A - Making a thermoformed article - Google Patents

Making a thermoformed article Download PDF

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Publication number
GB2329607A
GB2329607A GB9720535A GB9720535A GB2329607A GB 2329607 A GB2329607 A GB 2329607A GB 9720535 A GB9720535 A GB 9720535A GB 9720535 A GB9720535 A GB 9720535A GB 2329607 A GB2329607 A GB 2329607A
Authority
GB
United Kingdom
Prior art keywords
polymeric material
thermoplastic polymeric
transparent film
image
sheet
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.)
Granted
Application number
GB9720535A
Other versions
GB9720535D0 (en
GB2329607B (en
Inventor
Douglas Mundie
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.)
AEP BORDEN PACKAGING UK LIMITE
Original Assignee
AEP BORDEN PACKAGING UK LIMITE
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
Application filed by AEP BORDEN PACKAGING UK LIMITE filed Critical AEP BORDEN PACKAGING UK LIMITE
Priority to GB9720535A priority Critical patent/GB2329607B/en
Publication of GB9720535D0 publication Critical patent/GB9720535D0/en
Publication of GB2329607A publication Critical patent/GB2329607A/en
Application granted granted Critical
Publication of GB2329607B publication Critical patent/GB2329607B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B29C51/02—Combined thermoforming and manufacture of the preform
    • 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
    • B29C51/14—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 using multilayered preforms or sheets
    • 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
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/46—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/24—Pressing or stamping ornamental designs on surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/007—Using fluid under pressure
    • 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
    • B29C2795/00—Printing on articles made from plastics or substances in a plastic state
    • B29C2795/002—Printing on articles made from plastics or substances in a plastic state before shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/10—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks

Abstract

A thermoformed article bearing printed matter is manufactured by 1) applying a printed image on to the surface of a transparent film of a thermoplastic polymeric material by reverse printing; 2) bonding the printed surface of the transparent film to the surface of a sheet of a thermoplastic polymeric material to form a laminate; and 3) thermoforming the laminate into a desired shape wherein the thermoplastic polymeric material of the transparent film and the thermoplastic polymeric material of the sheet are the same polymeric material, and wherein the thermoforming is carried out in registration with the image printed on the transparent film and wherein the image printed on the transparent film is a distorted image to correct for distortion that occurs during the thermoforming stage such that the formed article bears a true image. The thermoformed article may be a container or comprise packaging.

Description

A METHOD OF MAKING A THERMOFORMED ARTICLE The invention relates to a method of making a thermoformed article.
More particularly, it relates to a method of making a thermoformed article bearing printed matter. The method is suitable for the production of containers and packaging for food and non-food items.
Conventionally, a plastics container or item of packaging is produced by thermoforming a sheet of a thermoplastic polymeric material into a desired shape. Laminates of sheets of different materials, for instance a laminate comprising a sheet of a polymeric material bonded to a polymeric web, may also be used to produce the thermoformed article. In such a case, the web or sheet may be coloured by the incorporation therein of a pigment or bonded to a metallised layer to provide decoration or ornamentation to the article.
Usually, information relating to the contents of the container or packaging or decorative designs or images would be printed onto a paper web to be subsequently attached to the thermoformed article or onto a card or carton which, when assembled together with the thermoformed article, forms the final container or packaging item.
Hinged food trays having a base and a hinged lid may be produced according to conventional techniques although if it is desired that the lid and the base are differently coloured or pigmented such a tray is produced by running two sheets of polymeric material (differently coloured or pigmented, as required) side-by-side, bonding these along one edge and then subjecting both sheets to thermoforming to form the lid portion and the base portion joined together by a hinge portion. Skeletal waste from the two widths, being differently coloured or pigmented, cannot be combined for recycling.
The present invention provides a way of producing hinged food trays having differently coloured or pigmented lids and bases without the need to join separate sheet widths along one edge and of avoiding other problems of the prior art. The invention also provides a way of producing plastics packaging which can be provided with printed writing or designs without the need for post-forming printing or labelling operations.
Accordingly, the present invention provides a method of making a thermoformed article which method comprises the steps 1) applying a printed image on to the surface of a transparent film of a thermoplastic polymeric material by reverse printing; 2) bonding the printed surface of the transparent film to the surface of a sheet of a thermoplastic polymeric material to form a laminate; and 3) thermoforming the laminate into a desired shape wherein the thermoplastic polymeric material of the transparent film and the thermoplastic polymeric material of the sheet are the same polymeric material, and wherein the thermoforming is carried out in registration with the image printed on the transparent film and wherein the image printed on the transparent film is a distorted image to correct for distortion that occurs during the thermoforming stage such that the formed article bears a true image.
The present invention, as stated above, involves printing an image by a reverse printing technique onto the surface of a transparent film of a thermoplastic polymeric material. The film is typically a thin gauge clear polymeric material web formed of poly (vinyl chloride), polypropylene or a polyester, such as poly(ethylene terephthalate), although other thermoformable polymeric materials are suitable for use in the present invention. Preferably, the film is a PVC web since this can be printed and laminated without difficulty. The film will typically have a thickness of from 10-4011m, preferably from 20 to 3011m.
The technique of reverse printing, which is known oer se, lays down an image on the surface of the transparent film which, when viewed through the film, shows a positive image. The film is reverse printed using a conventional printing technique, for example, a flexographic or a gravure method using up to 8 different colours. The image printed may be a plain design or one involving "eye catching" graphics. By the use of half tone techniques near photographic quality image quality can be achieved.
The image reverse printed onto the surface of the transparent film of thermoplastic polymeric material is not a true image but is a distorted image which allows for distortion to occur during the thermoforming operation. By using the distorted image on the film, the completed article after the forming operation will bear a true, non-distorted image. The distorted image printed onto the surface of the transparent film may be produced by the following technique.
Firstly, a forming of the mould geometry is made in a precisely printed gridded material. The resultant forming shows a distortion of the gridded pattern as the originally flat printed material takes up the shape of the mould during the thermoforming process. It is possible, from a computerised analysis of this grid-printed moulding, to find out what form the pre-distortion version of the final desired image should have, i.e., it is possible to compute the form of the initial distorted image (which is to be applied to the transparent film) which image, after being subjected to distortion during the thermoforming operation, produces the true image which is the one required for the formed article. When the pre-distortion version of the final desired image has been identified it is this which is printed on the transparent film in the printing step of the method of the present invention.
After the distorted image, as described above, has been reverse printed onto the transparent film of thermoplastic material the film is bonded to a sheet formed of the same material of which the film is formed. Thus, if the transparent film is a PVC film the sheet will be formed of PVC. Thus, although the sheet of thermoplastic material may consist of PVC, polypropylene, a polyester such as poly(ethylene terephthalate) or other suitable material it must be formed of the same material that the film is formed from. Preferably, the sheet of thermoplastic material will be transparent . This enables recycling of all unprinted skeletal waste back into the sheet material.
The transparent sheet, which will have a thickness typically in the range of from 200 to 500cm, and the printed surface of the film are bonded together to form a laminate using an adhesive system which is preferably solventless, for instance a hot melt or an aqueous EVA adhesive, which is capable of keying through the printing ink on the film and of providing a strong adhesive bond between the film and the sheet. By bonding the film and sheet together in this way the printing ink applied to the film is entrapped between the film and the sheet. Thus, in the case where packaging for food items is produced according to the invention, contact between any packaged food and the printing ink is prevented. Also, if the printing ink was not bonded on both sides by the film and the sheet materials, it is possible that it could crack in areas of extreme deformation during the thermoforming operation. The thermoforming operation stretches the laminate and ink system. By virtue of being trapped in the laminate the ink can stretch without undergoing cracking during the forming operation.
When the laminate has been produced it can be thermoformed, using standard techniques, to form the article of desired shape. Examples of standard techniques that can be used to form the article from the laminate include vacuum forming, pressure forming and form-fill-seal forming.
As described above, the image reverse printed onto the transparent film is a distorted image which, when thermoformed, will yield a true image on the final forming. It will be seen that, for this to be achieved, it is necessary for the printed image on the film to be registered with the mould of the thermoforming tool. If there is no registration between the printed film and the thermoforming tool then the distortion caused during thermoforming will not occur at the appropriate parts of the initial (predistortion) image thus leading to the production of articles bearing distorted final images. In order to register the printed film with the thermoforming tool it is necessary to link the thermoforming machine index to a set position on the printed film. This can be achieved by the printing of a photo electric cell (PEC) mark on the edge of the skeletal waste material or by picking up a set point within the print design. The latter option is preferred in order that the skeletal waste remains completely unprinted for optimum recycling of this material. The sensed mark is positioned relative to the centre line of the tool and or the machine, in the index direction. The mark is detectable by a PEC mounted typically on the input end of the thermoforming machine. The PEC forms part of the web indexing system and once it detects the PEC mark it initiates the material index deceleration ramp to precisely position the printed image in register with the forming tool. At this point the conventional thermoforming process continues, the printed image on the film is formed within the final product, the skeletal waste material preferably remains unprinted and may be recycled back into the carrier material by conventional extrusion processes.
By selective printing of areas within the final forming area it is possible to produce a forming with both opaque and clear areas - this is only possible when both the sheet material and the film material are transparent. This combination of opaque and clear areas has some very specific applications offering unique process and cost advantages over conventional approaches currently employed in the packaging industry. Examples include:1) Trays employing base and hinged lid - by opaque printing of the tray base areas and unprinted lid area, the invention provides an attractive and cost effective process for producing eg. airline trays. This method of tray production would replace conventional side-by-side two colour extruded film with the advantage of full colour graphics and potential to fully utilise available thermoforming area.
2) Speciality promotional and seasonal packs which could be produced, again typically as a hinged pack, where the back section is printed with design, colour, graphics etc, while the front section is left partially clear to act as a "window". In this way the contents are fully protected but may be seen without opening the pack. In some applications this form of packaging could replace both a thermoforming and a printed carton thereby being both novel and cost effective with environmental benefits of reduced packaging materials.
The various applications for this process would include higher value or cost effective thermoformed packs particularly seasonal confectionery where novel eye catching graphics are desirable. With the right combination of forming geometry and print design the forming could, after initial use as a piece of packaging, become a child's toy. Hinge packs where a clear lid but opaque base with informational text is required is an application that could also save on post-forming printing or labelling operations.

Claims (11)

1. A method of making a thermoformed article which method comprises the steps 1) applying a printed image on to the surface of a transparent film of a thermoplastic polymeric material by reverse printing; 2) bonding the printed surface of the transparent film to the surface of a sheet of a thermoplastic polymeric material to form a laminate; and 3) thermoforming the laminate into a desired shape wherein the thermoplastic polymeric material of the transparent film and the thermoplastic polymeric material of the sheet are the same polymeric material, and wherein the thermoforming is carried out in registration with the image printed on the transparent film and wherein the image printed on the transparent film is a distorted image to correct for distortion that occurs during the thermoforming stage such that the formed article bears a true image.
2. A method according to claim 1, wherein the thermoplastic polymeric material of which the transparent film is formed and the thermoplastic polymeric material of which the sheet is formed comprises a poly(vinyl chloride).
3. A method according to claim 1, wherein the thermoplastic polymeric material of which the transparent film is formed and the thermoplastic polymeric material of which the sheet is formed comprises a poly(ethylene terephthalate).
4. A method according to claim 3, wherein the poly(ethylene terephthalate) is amorphous.
5. A method according to any one of claims 1 to 4, wherein the transparent film of thermoplastic polymeric material has a thickness of from 10 to 40calm.
6. A method according to claim 5, wherein the transparent film of thermoplastic polymeric material has a thickness of from 20 to 30clam.
7. A method according to any one of claims 1 to 6, wherein the sheet of thermoplastic polymeric material has a thickness of from 200 to 500cm.
8. A method according to any one of claims 1 to 7, wherein the sheet of thermoplastic polymeric material is transparent.
9. A method according to any one of claims 1 to 8, wherein the film and the sheet are bonded together using an EVA adhesive to form a laminate.
10. A method according to any one of claims 1 to 9, wherein the thermoforming of the laminate is maintained in register with the image printed on the film by virtue of a mark applied to the laminate which is sensed by a photo electric cell connected to the thermoforming machine.
11. A method according to claim 10, wherein the mark sensed by the photoelectric cell forms part of the image printed on to the film.
GB9720535A 1997-09-27 1997-09-27 A method of making a thermoformed article Expired - Fee Related GB2329607B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9720535A GB2329607B (en) 1997-09-27 1997-09-27 A method of making a thermoformed article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9720535A GB2329607B (en) 1997-09-27 1997-09-27 A method of making a thermoformed article

Publications (3)

Publication Number Publication Date
GB9720535D0 GB9720535D0 (en) 1997-11-26
GB2329607A true GB2329607A (en) 1999-03-31
GB2329607B GB2329607B (en) 2002-05-01

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046122A1 (en) * 1999-02-05 2000-08-10 Paul March Layered material including indicia and/or security means between layers
WO2002043946A1 (en) * 2000-12-01 2002-06-06 Fountain Technologies B.V. Method and apparatus for decorating products
GB2413522A (en) * 2004-04-28 2005-11-02 Regency Design & Print Ltd A dispensing machine with an attached moulded surface conforming skin
EP1724105A1 (en) * 2005-05-17 2006-11-22 Wipak Walsrode GmbH & Co. KG Thermoformable packaging material with an internal printed image
EP1790498A1 (en) * 2005-11-24 2007-05-30 S.C. Di Sampaolo Fabiola Industrial production process of imitation marble objects obtained from thermoforming material
WO2008087403A1 (en) * 2007-01-16 2008-07-24 Ian Barwick A method of printing
WO2008111000A1 (en) * 2007-03-14 2008-09-18 The Gillette Company Method of making a thermoformed article using a pre-print distortion
DE102012224315A1 (en) 2012-12-21 2014-06-26 Ccl Label Gmbh Method for producing printed container for use in food industry, involves feeding composite film to deep-drawing station, so as to form predetermined print pattern, and attaching print pattern to container
US11377278B2 (en) 2018-03-12 2022-07-05 Bemis Company, Inc. Printed sheet for thermoformed packaging

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008018A1 (en) * 1991-10-17 1993-04-29 Paramount Packaging Corporation Thermoformable laminate material with registered print and method of making the same
JPH05297804A (en) * 1992-04-21 1993-11-12 Kazuharu Seki Manufacture of soft solid body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008018A1 (en) * 1991-10-17 1993-04-29 Paramount Packaging Corporation Thermoformable laminate material with registered print and method of making the same
JPH05297804A (en) * 1992-04-21 1993-11-12 Kazuharu Seki Manufacture of soft solid body

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046122A1 (en) * 1999-02-05 2000-08-10 Paul March Layered material including indicia and/or security means between layers
WO2002043946A1 (en) * 2000-12-01 2002-06-06 Fountain Technologies B.V. Method and apparatus for decorating products
GB2413522A (en) * 2004-04-28 2005-11-02 Regency Design & Print Ltd A dispensing machine with an attached moulded surface conforming skin
GB2413522B (en) * 2004-04-28 2007-03-21 Regency Design & Print Ltd Dispensing machines
EP1724105A1 (en) * 2005-05-17 2006-11-22 Wipak Walsrode GmbH & Co. KG Thermoformable packaging material with an internal printed image
EP1790498A1 (en) * 2005-11-24 2007-05-30 S.C. Di Sampaolo Fabiola Industrial production process of imitation marble objects obtained from thermoforming material
WO2008087403A1 (en) * 2007-01-16 2008-07-24 Ian Barwick A method of printing
WO2008111000A1 (en) * 2007-03-14 2008-09-18 The Gillette Company Method of making a thermoformed article using a pre-print distortion
JP2010520829A (en) * 2007-03-14 2010-06-17 ザ ジレット カンパニー Method for manufacturing thermoformed article using preprint distortion
DE102012224315A1 (en) 2012-12-21 2014-06-26 Ccl Label Gmbh Method for producing printed container for use in food industry, involves feeding composite film to deep-drawing station, so as to form predetermined print pattern, and attaching print pattern to container
US11377278B2 (en) 2018-03-12 2022-07-05 Bemis Company, Inc. Printed sheet for thermoformed packaging

Also Published As

Publication number Publication date
GB9720535D0 (en) 1997-11-26
GB2329607B (en) 2002-05-01

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040927