# US 2001/0022211 A1 · Carton blank and method of forming a carton blank > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2001/0022211 A1 - Document ID: US20010022211A1 - Status: Published application - Kind: A1 - Application number: 09/864,567 - Filed: 2001-05-24 - Published: 2001-09-20 - Earliest claimed: 1992-12-21 - Assignees: Graphic Packaging International, Inc. - Inventors: Joseph C. Walsh - Web page: https://patentgrep.com/patent/US20010022211A1 ## CPC - B65D 5/563: {Laminated linings; Coatings} - B32B 37/12: characterised by using adhesives - B32B 37/1292: {selectively, e.g. in stripes, in patterns (B32B37/0076 takes precedence)} - B31B 2105/001: {made from laminated webs, e.g. including laminating the webs} - Y10T 156/1049: Folding only - 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 - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - B31B: MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making wound articles, e.g. wound tubes, B31C; combined making and filling B65B) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A carton blank may be formed from a first sheet of relatively rigid material and a second sheet of relatively flexible fluid impervious material. The second sheet of relatively flexible fluid impervious material may cover some but not other portions of the first sheet of relatively rigid material in order to facilitate gluing of the other portions of the first sheet of relatively rigid material when the carton blank is assembled into a carton. ## Claims ### Claim 1 A carton blank comprising: a unitary sheet of a relatively rigid material comprising an inner surface and an oppositely disposed outer surface; said unitary sheet of a relatively rigid material further comprising a plurality of outer edges defining an outer periphery of said unitary sheet of a relatively rigid material; said outer surface of said unitary sheet of a relatively rigid material having at least a first portion and a second portion; a unitary sheet of a relatively flexible fluid impervious material covering said first portion of said outer surface of said unitary sheet of a relatively rigid material; wherein said second portion of said outer surface of said unitary sheet of a relatively rigid material is not covered by said at least one unitary sheet of relatively flexible fluid impervious material; and wherein no part of said unitary sheet of a relatively flexible fluid impervious material extends beyond said outer periphery of said unitary sheet of a relatively rigid material. ### Claim 2 (depends on 1) The carton blank of claim 1, wherein said unitary sheet of a relatively rigid material comprises a plurality of fold lines defining a plurality of panels therein. ### Claim 3 (depends on 2) The carton blank of claim 2, wherein: said plurality of panels comprises a glue tab; and said second portion is at least partially located on said glue tab. ### Claim 4 (depends on 1) The carton blank of claim 1 wherein: said unitary sheet of a relatively flexible fluid impervious material is secured to said first portion of said outer surface of said unitary sheet of a relatively rigid material. ### Claim 5 (depends on 1) The carton blank of claim 1 wherein said second portion of said outer surface of said unitary sheet of a relatively rigid material is not covered by any unitary sheet of relatively flexible fluid impervious material. ### Claim 6 (depends on 1) The carton blank of claim 1, wherein: said unitary sheet of a relatively rigid material comprises paperboard; and said unitary sheet of a relatively flexible fluid impervious material comprises a plastic material. ### Claim 7 (depends on 1) The carton blank of claim 1 wherein: said unitary sheet of a relatively flexible fluid impervious material is non-compatible with a water based adhesive. ### Claim 8 A carton blank comprising: a sheet of material comprising an inner surface and an oppositely disposed outer surface; said sheet of material further comprising a plurality of outer edges defining an outer periphery of said sheet of material; a sheet of plastic film covering a portion of said outer surface of said sheet of material; wherein said sheet of plastic film covers less than the entire extent of said outer surface of said sheet of material wherein no part of said sheet of plastic film extends beyond said outer periphery of said sheet of material. ### Claim 9 (depends on 8) The carton blank of claim 8 wherein said sheet of material is a unitary relatively rigid sheet of material. ### Claim 10 (depends on 8) The carton blank of claim 8 wherein said sheet of material comprises a plurality of fold lines defining a plurality of panels therein; ### Claim 11 (depends on 10) The carton blank of claim 10, wherein: said plurality of panels comprises a glue tab; and at least a portion of said glue tab is not covered by said sheet of plastic film. ### Claim 12 (depends on 11) The carton blank of claim 11 wherein said at least a portion of said glue tab is not covered by any sheet of plastic film. ### Claim 13 (depends on 8) The carton blank of claim 8 wherein: said plastic film is secured to said portion of said outer surface of said sheet of material. ### Claim 14 (depends on 8) The carton blank of claim 8, wherein: said sheet of material comprises paperboard. ### Claim 15 (depends on 8) The carton blank of claim 8, wherein: said plastic film is non-compatible with a water based adhesive. ### Claim 16 A carton blank comprising: a first sheet of material comprising an inner surface and an oppositely disposed outer surface; said first sheet of material comprising a plurality of outer edges defining an outer periphery of said first sheet of material; said first sheet of material having a length defined between two of said outer edges of said first sheet of material; said first sheet of material having a width defined by another two of said outer edges of said first sheet of material, said width being perpendicular to said length; a second sheet of plastic material covering a portion of said outer surface of said first sheet of material; said second sheet of plastic material comprising a plurality of outer edges defining an outer periphery of said second sheet of plastic material; said second sheet of plastic material having a length defined between two of said outer edges of said second sheet of plastic material; said second sheet of plastic material having a width defined by another two of said edges of said second sheet of plastic material, said width of said second sheet of plastic material being perpendicular to said length of said second sheet of plastic material; wherein said length of said first sheet of material is equal to said length of said second sheet of plastic material; and wherein said width of said first sheet of material is greater than said width of said second sheet of plastic material. ### Claim 17 (depends on 16) The carton blank of claim 16 wherein said first sheet of material is a unitary relatively rigid sheet of material. ### Claim 18 (depends on 16) The carton blank of claim 16 wherein said first sheet of material comprises a plurality of fold lines defining a plurality of panels therein; ### Claim 19 (depends on 18) The carton blank of claim 18, wherein: said plurality of panels comprises a glue tab; and at least a portion of said glue tab is not covered by said second sheet of plastic material. ### Claim 20 (depends on 19) The carton blank of claim 19 wherein said at least a portion of said glue tab is not covered by any sheet of plastic material. ### Claim 21 (depends on 16) The carton blank of claim 16 wherein: said second sheet of plastic material is secured to said portion of said outer surface of said first sheet of material. ### Claim 22 (depends on 16) The carton blank of claim 16 wherein no part of said second sheet of plastic material extends beyond said outer periphery of said first sheet of material. ### Claim 23 (depends on 16) The carton blank of claim 16, wherein: said first sheet of material comprises paperboard. ### Claim 24 (depends on 16) The carton blank of claim 16 wherein: said second sheet of plastic material is non-compatible with a water based adhesive. ### Claim 25 A method of forming a carton blank, said method comprising: providing a sheet of first material having a first surface and an oppositely disposed second surface thereon; said first surface comprising a first area and a second area; providing a sheet of second material comprising a first portion and a second portion; causing said first portion of said sheet of second material to overlie said first area of said sheet of first material and said second portion of said sheet of second material to overlie said second area of said sheet of first material; adhering said first portion of said sheet of second material to said first area of said sheet of first material; thereafter, exposing said second area of said sheet of first material by removing said second portion of said sheet of second material. ### Claim 26 (depends on 25) The carton blank of claim 25 wherein said sheet of first material is a unitary relatively rigid sheet of material. ### Claim 27 (depends on 25) The method of claim 25, wherein: said sheet of first material comprises paperboard. ### Claim 28 (depends on 25) The method of claim 25 wherein: said sheet of second material is a sheet of plastic material. ### Claim 29 (depends on 28) The method of claim 28 wherein: said sheet of plastic material is non-compatible with a water based adhesive. ### Claim 30 (depends on 25) The method of claim 25 and further comprising: separating said sheet of first material and said sheet of second material into individual carton blanks.