Die cut insulation blanket and method for producing same

• US 7,923,092 B2
• Filed: 08/22/2005
• Issued: 04/12/2011
• Est. Priority Date: 08/22/2005
• Status: Expired due to Fees

• Current Assignee: Owens Corning Intellectual Capital, LLC (Owens Corning)
• Original Assignee: Owens Corning Intellectual Capital, LLC (Owens Corning)
• Inventors: Rockwell, Anthony L.
• Primary Examiner(s): Tarazano; D. Lawrence
• Assistant Examiner(s): Gugliotta; Nicole T
• Application Number:
  US11/209,005
• Publication Number:
  US 20070042156A1
• Time in Patent Office: 2,059 Days
• Field of Search: 428/116, 428/670, 160/84.05, 550/2, 548/2, 526/35
• US Class Current: 428/116
• CPC Class Codes: B26F 1/22 to form non-rectilinear cuts, e.g. for tabs
• CPC Class Codes: B31D 3/0223 Making honeycomb cores, e.g. by piling a plurality of web sections or sheets
• CPC Class Codes: Y10T 428/236 Honeycomb type cells extend perpendicularly to nonthickness layer
• CPC Class Codes: Y10T 428/24149 Honeycomb-like
• CPC Class Codes: Y10T 428/24314 Slit or elongated
• CPC Class Codes: Y10T 428/24777 Edge feature
• CPC Class Codes: Y10T 428/254 Polymeric or resinous material

Abstract

A blanket is provided including a first panel of material having a honeycombed portion that is expanded to form a second, projecting panel from the first panel material. The invention also includes a method of reducing the material needed to construct a multipanel structure. The method includes the steps of providing a first panel of material; honeycombing a portion of that first panel and expanding the honeycombed portion of the first panel to form a second panel projecting from the first panel. Advantageously, the second panel is formed from material of the first panel and no additional material is required.

Claims

1. A method of constructing a multipanel structure, the method comprising:

providing a first panel of material, said first panel having first, second and third sections, the second section disposed between the first and third sections, and the first, second and third sections aligned to form a boundary edge of said first panel; and

honeycombing a portion of said second section of said first panel along said boundary edge to create an expandable, honeycombed portion of said second section that it can be expanded transversely from said first panel to project beyond said boundary edge to form a second panel;

the first panel and expanded second panel forming a “

T”

shape.

2. The method of claim 1 wherein said honeycombing includes cutting a first line partially across the second section of said first panel, cutting a second line partially across said first panel spaced from said first line and cutting said portion of said first panel between said first line and said second line.

3. The method of claim 2 including selecting said material from a group consisting of non-woven synthetic material, non-woven natural material and mixtures thereof.

4. The method of claim 3, including selecting said material from a group consisting of thermoplastic fiber material, thermosetting fiber material, bicomponent fiber material and mixtures thereof.

5. The method of claim 2, including selecting said material from a group consisting of polyolefin, polypropylene, polyethylene, polyester, nylon, rayon, polyethylene terephthalate, polybutylene terephthalate, cotton, kenaf, silk, cellulose, hemp, shoddy and mixtures thereof.

21. The method of claim 1, wherein said first panel of material is rectangular and said first and second panel combined is T-shaped.

6. A multi-panel blanket, comprising:

a first panel of material having three sections, the second section disposed between the first and third sections, the three sections having an edge defining a perimeter;

a second panel formed from an expandable, honeycombed portion of the second section of the first panel, at least a portion of said honeycombed portion projecting transversely from the second section of the first panel outside of said perimeter such that the first and second panels together form the shape of a “

T”

.

7. The blanket of claim 6, wherein said material is selected from a group consisting of non-woven synthetic material, non-woven natural material and mixtures thereof.

8. The blanket of claim 7, wherein said material is selected from a group consisting of thermoplastic fiber material, thermosetting fiber material, bicomponent fiber material and mixtures thereof.

9. The blanket of claim 7, wherein said material is selected from a group consisting of polyolefin, polypropylene, polyethylene, polyester, nylon, rayon, polyethylene terephthalate, polybutylene terephthalate, cotton, kenaf, silk, cellulose, hemp, shoddy and mixtures thereof.

10. The blanket of claim 9, wherein said material includes reinforcing fibers selected from a group consisting of glass fibers, metal fibers, mineral fibers, carbon fibers, graphite fibers, natural fibers and mixtures thereof.

11. The blanket of claim 6, wherein said honeycombed portion includes a series of slits.

12. The blanket of claim 11 wherein each slit of said series of slits is branched.

13. The blanket of claim 12, wherein said series of branched slits at least partially nest with one another.

14. The blanket of claim 13, wherein each of said branched slits is substantially Y-shaped.

15. The blanket of claim 14, wherein adjacent branched slits define an expansion rib.

16. The blanket of claim 6, wherein said honeycombed portion includes alternating rows of (a) straight slits and (b) openings with extension slits defining a four-way living hinge at a convergence of adjacent straight slits and said openings.

17. The blanket of claim 6 including a second honeycombed portion that is expanded to form a third, projecting panel from said first panel material,

18. The blanket of claim 16 including a third honeycombed portion that is expanded to form a fourth, projecting panel from said first panel material.

22. The blanket of claim 6, wherein the material is T-shaped when the honeycombed portion is expanded.

19. A blanket, comprising:

a material comprising three sections, the second section disposed centrally between the first and third sections, the three sections defining a perimeter and having in said second section a region with a plurality of slits adjacent to the perimeter for creating a honeycombed portion when said region is expanded, and a substantially continuous region without slits, said honeycombed portion positioned within said perimeter when contracted and projecting transversely at least partially outside said perimeter when expanded.

20. The blanket of claim 19, wherein said material is T-shaped when expanded.

23. A T-shaped insulation blanket, comprising:

a first panel of material having three sections, the second section being disposed centrally between the first and third sections;

a second panel projecting transversely from the first panel at said second section such that the first and second panels together form the shape of a “

T”

;

wherein the second panel is formed from an expandable, honeycombed portion of the second section of the first panel.

24. The blanket of claim 23, wherein said material is selected from a group consisting of polyolefin, polypropylene, polyethylene, polyester, nylon, rayon, polyethylene terephthalate, polybutylene terephthalate, cotton, kenaf, silk, cellulose, hemp, shoddy and mixtures thereof.

25. The blanket of claim 23, further comprising at least one additional expandable honeycombed portion in said first panel.

26. The blanket of claim 23, wherein said honeycombed portion includes a series of branched slits that at least partially nest with one another.

27. A method for insulating an appliance having a top, a bottom and four sides, the method comprising:

providing a T-shaped insulation blanket comprising a first panel of material having three sections, the second section disposed between the first and third sections; and

a second panel projecting transversely from the first panel at said second section such that the first and second panels together form the shape of a “

T”

;

wherein the second panel is formed from an expandable, honeycombed portion of the second section of the first panel;

deploying said insulation blanket over said appliance such that the second section of the first panel insulates the top;

the first and third sections of the first panel are folded over to insulate opposing sides of the appliance; and

the second panel is expanded out by unfolding the honeycombed portion to insulate a third side of the appliance.

28. The method of claim 27, wherein said material is selected from a group consisting of polyolefin, polypropylene, polyethylene, polyester, nylon, rayon, polyethylene terephthalate, polybutylene terephthalate, cotton, kenaf, silk, cellulose, hemp, shoddy and mixtures thereof.

29. The method of claim 27, further comprising at least one additional expandable honeycombed portion in said first panel.

30. The method of claim 27, wherein said honeycombed portion includes a series of branched slits that at least partially nest with one another.