WO2003020607A1 - Soap bar wrapper - Google Patents

Soap bar wrapper Download PDF

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Publication number
WO2003020607A1
WO2003020607A1 PCT/US2002/027587 US0227587W WO03020607A1 WO 2003020607 A1 WO2003020607 A1 WO 2003020607A1 US 0227587 W US0227587 W US 0227587W WO 03020607 A1 WO03020607 A1 WO 03020607A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
soap bar
sheets
wrapper
bar wrapper
Prior art date
Application number
PCT/US2002/027587
Other languages
French (fr)
Inventor
Todd Van Gordon
Original Assignee
Colgate-Palmolive Company
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 Colgate-Palmolive Company filed Critical Colgate-Palmolive Company
Priority to US10/488,514 priority Critical patent/US20040238608A1/en
Publication of WO2003020607A1 publication Critical patent/WO2003020607A1/en
Priority to US11/767,978 priority patent/US20080029584A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/02—Wrappers or flexible covers
    • B65D65/16—Wrappers or flexible covers with provision for excluding or admitting light
    • B65D65/18—Wrappers or flexible covers with provision for excluding or admitting light with some areas transparent and others opaque

Definitions

  • the present invention relates to laminate packaging for soap bars and related items. More particularly, the present invention relates to laminate wrappers for soap bar and related items where the portions of the wrapper that extend beyond the longitudinal dimension of the soap bar and related items have a thickness less than that of the remainder of the wrapper.
  • Soap bars are made in various shapes. These range from a rectangular brick- like shape to a shape with curved ends and edges. Soap bars that essentially are of a rectangular shape with angled edges, i.e. bricklike shape, can readily be wrapped in a thin single layer wrapper. This wrapper will have a uniform thickness. The wrapper will be fully supported by the soap bar, and will take the shape of the soap bar. However, when a soap bar is not essentially rectangular, a d has curved edges, the package parts usually must provide some of the shape to the package of the wrapped soap bar. The soap bar primarily will provide the shape to the soap bar package. The wrapper in conjunction with a stiffener then will provide the remaining shape to the packaged soap bar.
  • the present invention is directed to film laminates that can be used effectively to wrap soap bars to produce a substantially rectangular packaged soap bar when the soap bar is not of a substantially rectangular shape. It is comprised of a single sheet of material that has a multi-layer structure over a substantial portion of its surface.
  • the present invention is directed to wrapper laminate film materials that can be used to effectively wrap soap bars and related items that are not essentially rectangular into an essentially rectangular package.
  • the wrapper laminate film is comprised of at least two juxtaposed, offset films to produce at least a two-ply film over a major portion, except for the edges that are to form the side panels of the soap bar package.
  • the side panels of the package are the panels that enclose the longitudinal ends of the packaged soap bar. These side panels are of a lesser thickness than the remainder of the wrapper. These are of a lesser ply than the major portion.
  • the films that comprise the package can be monolayer or multilayer films, and can be the same in structure, or of a different structure.
  • the film that is used to package the soap bar is comprised of at least two films. At least two films overlap over a major area of the films to form a two or more ply portion depending on the number of films that are overlapped. In a preferred embodiment there are two films of equal width. These are overlapped in a manner wherein about 40 percent to about 90 percent of the area of the final film is comprised of two film layers with the remnants being a single layer. The area of two layers will have a higher tensile and tear strength and stiffness.
  • the film product is produced by laminating the two films in an offset alignment to produce a center section of two films thickness and end sections of a one film thickness.
  • This wrapper has the advantage that it is a single film and as such decreases the complexity of wrapping a soap bar or related item. This is in contrast to wrappers that are comprised of two separate pieces, such as being comprised of a separate stiffener material and a separate overwrap material.
  • Figure 1 shows two films juxtapositioned in an offset alignment and laminated together to give an area of two-ply and two areas of one-ply.
  • Figure 2 shows the laminated film in a blank form illustrating the two- ply and single ply sections.
  • Figure 3 shows a soap bar packaged using the laminated film of Figure 2.
  • Figure 1 shows the two films that are laminated in a juxtapositioned off-center orientation.
  • the objective is to have a two-ply center section and single ply end sections.
  • the films 10 and 12 are bonded together to give a two-ply center section 22 and single ply end sections 14 and 16.
  • the center section 22 is located between fold points 18 and 20. Beyond fold point 18 and fold point 20 there are single plys 14 and 16.
  • the fold points are where in wrapping a soap bar or other item the film is folded to form another surface.
  • the two-ply region 22 will form the top, bottom and connecting longitudinal side surfaces.
  • the single ply end regions 14 and 16 will provide end areas that can be more readily folded closed and sealed to form the end surfaces to complete the packages.
  • Figure 2 shows the films laminated together to form a film wrapper blank.
  • the single layer area 22 and the two layer areas 14 and 16 are shown.
  • This film is wrapped laterally around an item, such as a soap bar, where the item generally extends from about fold point 18 to fold point 20.
  • the item may be of a size of slightly less (about 10% less) to slightly more (about 10% more) than the distance between fold points 18 and 20.
  • the end regions are folded to form the end closures and sealed. For a soap bar this would be a folding and sealing as currently used in the art.
  • Figure 3 shows a packaged soap bar 24 wrapped with the film of Figure 2.
  • the two layer film area 22 comprises the top, bottom and longitudinal sides of the package.
  • edges of the two layer film is noted by lines 18 and 20 for illustrative purposes and for any comparison to Figures 1 and 2.
  • One of these transition lines will be visible on the package exterior and the other will be on the interior.
  • One package end is shown with film edge 14 forming the folds and seals.
  • Parts 26(a) and 26(b) of film edge 14 are folded inward and parts 28(a) and 28(b) folded over these parts and these folded sections sealed. These will be heat sealed with a heat activated adhesive coated preferably on edge 14 assisting in the seal.
  • This folding and sealing is a conventional technique in forming a soap bar package.
  • the two films that are laminated together can be of a wide range of materials such as paper, paperboard and plastics. This can be paper/ plastic laminates; plastic/ paper/ plastic laminates; plastic/ paperboard laminates; plastic /paperboard /plastic laminates and plastic /plastic laminates.
  • the plastic in the laminates can be a monolayer or a multi-layer laminate of biaxially oriented polypropylene (BOPP), polyethylene terephthalate (PET), polyvinyl chloride (PNC), polyvinyl alcohol, polyvinylacetate, ethylene-propylene copolymers, ethylene vinyl compound copolymers, acrylonitrile-butadiene (ABS), copolymers, polyethylenes, propylenes; including a wide range of differing plastic/ plastic laminates.
  • BOPP biaxially oriented polypropylene
  • PET polyethylene terephthalate
  • PNC polyvinyl chloride
  • ABS acrylonitrile-butadiene
  • copolymers polyethylenes, propylenes
  • polyethylenes propylenes
  • adhesives such as heat activated adhesives, or through direct heat bonding.
  • Acrylic adhesives are conventionally used on films. Usually lower cost materials will be used for economic reasons.
  • the films can have a thickness of about 20 microns to about 400 microns, and preferably about 50 microns to about 300 microns. This will provide a sufficient strength and stiffness to this film but yet allow for the folding of the end portions of the laminate film to form the package.
  • the films also can be transparent, translucent or opaque and can be of any color or tint. Usually the film will have printed information such as trademarks and product information.

Abstract

Soap bars and related items that are not essentially rectangular in shape can be packaged in a single film wrapper to form a substantially rectangular soap bar package. The wrapper is comprised of a laminate structure of two juxtaposed off-center films to produce a center two-ply structure and two end regions of a single ply. The single ply regions form the longitudinal end panels of the package. Each of the films of the laminate can be of a monolayer or multilayer structure. The soap bar is wrapped laterally with the wrapper, the two-ply region forming the top, bottom and connecting side surfaces. The single ply areas form the end surfaces of the package that are sealed to close the package.

Description

SOAP BAR WRAPPER
Field of the Invention
The present invention relates to laminate packaging for soap bars and related items. More particularly, the present invention relates to laminate wrappers for soap bar and related items where the portions of the wrapper that extend beyond the longitudinal dimension of the soap bar and related items have a thickness less than that of the remainder of the wrapper.
Background of the Invention
Soap bars are made in various shapes. These range from a rectangular brick- like shape to a shape with curved ends and edges. Soap bars that essentially are of a rectangular shape with angled edges, i.e. bricklike shape, can readily be wrapped in a thin single layer wrapper. This wrapper will have a uniform thickness. The wrapper will be fully supported by the soap bar, and will take the shape of the soap bar. However, when a soap bar is not essentially rectangular, a d has curved edges, the package parts usually must provide some of the shape to the package of the wrapped soap bar. The soap bar primarily will provide the shape to the soap bar package. The wrapper in conjunction with a stiffener then will provide the remaining shape to the packaged soap bar. This particularly is the case in the area of the ends of the soap bar package where there is a transition from a top, bottom and side surface to the folded end surfaces. The present invention is directed to film laminates that can be used effectively to wrap soap bars to produce a substantially rectangular packaged soap bar when the soap bar is not of a substantially rectangular shape. It is comprised of a single sheet of material that has a multi-layer structure over a substantial portion of its surface.
Brief Description of the Invention
The present invention is directed to wrapper laminate film materials that can be used to effectively wrap soap bars and related items that are not essentially rectangular into an essentially rectangular package. The wrapper laminate film is comprised of at least two juxtaposed, offset films to produce at least a two-ply film over a major portion, except for the edges that are to form the side panels of the soap bar package. The side panels of the package are the panels that enclose the longitudinal ends of the packaged soap bar. These side panels are of a lesser thickness than the remainder of the wrapper. These are of a lesser ply than the major portion. The films that comprise the package can be monolayer or multilayer films, and can be the same in structure, or of a different structure.
The film that is used to package the soap bar is comprised of at least two films. At least two films overlap over a major area of the films to form a two or more ply portion depending on the number of films that are overlapped. In a preferred embodiment there are two films of equal width. These are overlapped in a manner wherein about 40 percent to about 90 percent of the area of the final film is comprised of two film layers with the remnants being a single layer. The area of two layers will have a higher tensile and tear strength and stiffness. The film product is produced by laminating the two films in an offset alignment to produce a center section of two films thickness and end sections of a one film thickness.
This wrapper has the advantage that it is a single film and as such decreases the complexity of wrapping a soap bar or related item. This is in contrast to wrappers that are comprised of two separate pieces, such as being comprised of a separate stiffener material and a separate overwrap material.
Brief Description of the Drawings
Figure 1 shows two films juxtapositioned in an offset alignment and laminated together to give an area of two-ply and two areas of one-ply.
Figure 2 shows the laminated film in a blank form illustrating the two- ply and single ply sections.
Figure 3 shows a soap bar packaged using the laminated film of Figure 2.
Detailed Description of the Invention
The invention will now be described with specific reference to the drawings.
Figure 1 shows the two films that are laminated in a juxtapositioned off-center orientation. The objective is to have a two-ply center section and single ply end sections. The films 10 and 12 are bonded together to give a two-ply center section 22 and single ply end sections 14 and 16. The center section 22 is located between fold points 18 and 20. Beyond fold point 18 and fold point 20 there are single plys 14 and 16. The fold points are where in wrapping a soap bar or other item the film is folded to form another surface. In the present instance the two-ply region 22 will form the top, bottom and connecting longitudinal side surfaces. The single ply end regions 14 and 16 will provide end areas that can be more readily folded closed and sealed to form the end surfaces to complete the packages.
Figure 2 shows the films laminated together to form a film wrapper blank. The single layer area 22 and the two layer areas 14 and 16 are shown. This film is wrapped laterally around an item, such as a soap bar, where the item generally extends from about fold point 18 to fold point 20. The item may be of a size of slightly less (about 10% less) to slightly more (about 10% more) than the distance between fold points 18 and 20. After the film laminate is wrapped laterally around the item the end regions are folded to form the end closures and sealed. For a soap bar this would be a folding and sealing as currently used in the art. Figure 3 shows a packaged soap bar 24 wrapped with the film of Figure 2. The two layer film area 22 comprises the top, bottom and longitudinal sides of the package. The edges of the two layer film is noted by lines 18 and 20 for illustrative purposes and for any comparison to Figures 1 and 2. One of these transition lines will be visible on the package exterior and the other will be on the interior. One package end is shown with film edge 14 forming the folds and seals. Parts 26(a) and 26(b) of film edge 14 are folded inward and parts 28(a) and 28(b) folded over these parts and these folded sections sealed. These will be heat sealed with a heat activated adhesive coated preferably on edge 14 assisting in the seal. This folding and sealing is a conventional technique in forming a soap bar package.
The two films that are laminated together can be of a wide range of materials such as paper, paperboard and plastics. This can be paper/ plastic laminates; plastic/ paper/ plastic laminates; plastic/ paperboard laminates; plastic /paperboard /plastic laminates and plastic /plastic laminates. The plastic in the laminates can be a monolayer or a multi-layer laminate of biaxially oriented polypropylene (BOPP), polyethylene terephthalate (PET), polyvinyl chloride (PNC), polyvinyl alcohol, polyvinylacetate, ethylene-propylene copolymers, ethylene vinyl compound copolymers, acrylonitrile-butadiene (ABS), copolymers, polyethylenes, propylenes; including a wide range of differing plastic/ plastic laminates. These are laminated together through the use of adhesives such as heat activated adhesives, or through direct heat bonding. Acrylic adhesives are conventionally used on films. Usually lower cost materials will be used for economic reasons.
The films can have a thickness of about 20 microns to about 400 microns, and preferably about 50 microns to about 300 microns. This will provide a sufficient strength and stiffness to this film but yet allow for the folding of the end portions of the laminate film to form the package. The films also can be transparent, translucent or opaque and can be of any color or tint. Usually the film will have printed information such as trademarks and product information.

Claims

ClaimsWhat is claimed is:
1. A soap bar wrapper consisting of a laminate film comprising a first sheet of film and a second sheet of film, said sheets of film laminated juxtapositioned off-center whereby a center section has a two ply structure and the end sections have a single ply structure.
2. A soap bar wrapper as in claim 1 wherein the center section comprises a major portion of said laminate film.
3. A soap bar wrapper as in claim 2 wherein at least one of said sheets of film is transparent.
4. A soap bar wrapper as in claim 3 wherein each of said sheets of film is transparent.
5. A soap bar wrapper as in claim 2 wherein at least one of said sheets of film is tinted.
6. A soap bar wrapper as in claim 5 wherein each of said sheets of film is tinted.
7. A soap bar wrapper as in claim 1 wherein each of said sheets of film has a thickness of about 20 microns to about 400 microns.
8. A soap bar wrapper as in claim 7 wherein each of said sheets of film has a thickness of about 50 microns to about 300 microns.
9. A soap bar wrapper as in claim 1 wherein at least one of said sheets of film is comprised of paper, paperboard, polyethylene, polypropylene, biaxially oriented polypropylene, polyvinylchloride, polyethylene terephthalate, polyvinyl alcohol, polyvinyl acetate, acrylonitrile-butadiene-styrene copolymers, ethylene-propylene copolymers and ethylene-vinyl compound copolymers.
10. A method of making a soap bar wrapper consisting of a laminate comprising laying a first sheet of film over a second sheet of film in a juxtapositioned off-center orientation whereby there is a center double ply region and end regions of a single ply, and laminating the first film to the second film in the area of contact.
11. A soap bar wrapper as in claim 1 wherein the center section comprises a major portion of said laminate film.
12. A soap bar wrapper as in claim 2 wherein at least one of said sheets of film is transparent.
13. A soap bar wrapper as in claim 3 wherein each of said sheets of film is transparent.
14. A soap bar wrapper as in claim 2 wherein at least one of said sheets of film is tinted.
15. A soap bar wrapper as in claim 5 wherein each of said sheets of film is tinted.
16. A soap bar wrapper as in claim 1 wherein each of said sheets of film has a thickness of about 20 microns to about 400 microns.
17. A soap bar wrapper as in claim 7 wherein each of said sheets of film has a thickness of about 50 microns to about 300 microns.
18. A soap bar wrapper as in claim 1 wherein at least one of said sheets of film is comprised of paper, paperboard, polyethylene, polypropylene, biaxially oriented polypropylene, polyvinylchloride, polyethylene terephthalate, polyvinyl alcohol, polyvinyl acetate, acrylonitrile-betadine-styrene copolymers, ethylene-propylene copolymers and ethylene-vinyl compound copolymers.
19. A method of wrapping a soap using the soap bar wrapper of claim 1 comprising orienting a soap bar so that the center section of said laminate film will cover a substantial portion of the longitudinal surfaces of said soap bar, laterally wrapping said laminate film around said soap bar, folding said single ply end sections to close each end, and sealing the single ply sections on each end.
20. The method as in claim 19 wherein said laminate film is transparent.
PCT/US2002/027587 2001-09-04 2002-08-29 Soap bar wrapper WO2003020607A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10/488,514 US20040238608A1 (en) 2001-09-04 2002-08-29 Soap bar wrapper
US11/767,978 US20080029584A1 (en) 2002-08-29 2007-06-25 Soap Bar Wrapper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31709901P 2001-09-04 2001-09-04
US60/317,099 2001-09-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/767,978 Division US20080029584A1 (en) 2002-08-29 2007-06-25 Soap Bar Wrapper

Publications (1)

Publication Number Publication Date
WO2003020607A1 true WO2003020607A1 (en) 2003-03-13

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Family Applications (1)

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PCT/US2002/027587 WO2003020607A1 (en) 2001-09-04 2002-08-29 Soap bar wrapper

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WO (1) WO2003020607A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014053383A1 (en) * 2012-10-05 2014-04-10 Unilever N.V. Novel laminated film for packaging

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8129327B2 (en) 2006-12-01 2012-03-06 The Procter & Gamble Company Packaging for high moisture bar soap
US20090081451A1 (en) * 2007-09-26 2009-03-26 Tina Marie Galoff Releasable Heat Seal Wrapper
EP2519405A1 (en) * 2009-12-29 2012-11-07 International Paper Do Brasil Ltda. Three-layer wrapping and a process for manufacturing a packaging using the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048213A (en) * 1935-02-23 1936-07-21 Marathon Paper Mills Co Bread package
US3073436A (en) * 1960-08-31 1963-01-15 Procter & Gamble Package structure
US3260359A (en) * 1965-06-09 1966-07-12 Procter & Gamble Package improvement
JPH1135067A (en) * 1997-07-18 1999-02-09 Kao Corp Packaging body for transparent solid soap

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Publication number Priority date Publication date Assignee Title
US536604A (en) * 1895-04-02 John conley
US1983520A (en) * 1931-04-22 1934-12-11 Du Pont Cellophane Co Inc Laminated material
US1992249A (en) * 1931-04-28 1935-02-26 Du Pont Cellophane Co Inc Laminated material
US2502749A (en) * 1947-02-01 1950-04-04 Brooks Paper Company Composite paper roll
IT1275612B1 (en) * 1995-09-28 1997-10-14 Policarta Srl MACHINE AND PROCEDURE FOR MAKING A CONTINUOUS COMPOSITE BELT FOR THE PRODUCTION OF WRAPS FOR FOOD PRODUCTS AND RIBBON AND

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2048213A (en) * 1935-02-23 1936-07-21 Marathon Paper Mills Co Bread package
US3073436A (en) * 1960-08-31 1963-01-15 Procter & Gamble Package structure
US3260359A (en) * 1965-06-09 1966-07-12 Procter & Gamble Package improvement
JPH1135067A (en) * 1997-07-18 1999-02-09 Kao Corp Packaging body for transparent solid soap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014053383A1 (en) * 2012-10-05 2014-04-10 Unilever N.V. Novel laminated film for packaging
US10046395B2 (en) 2012-10-05 2018-08-14 Conopco, Inc. Laminated film for packaging

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