Systems and methods for insulating a pipe

Patent metadata

Field	Value
Publication number	US-9915391-B2
Application number	US-201615338562-A
Country	US
Kind code	B2
Filing date	Oct 31, 2016
Priority date	Aug 13, 2010
Publication date	Mar 13, 2018
Grant date	Mar 13, 2018

Abstract

A pipe insulation product including a core of insulating material and a laminate. The core includes a cylindrical outer surface; a cylindrical inner surface; and a wall extending between the cylindrical outer surface and the cylindrical inner surface. The laminate includes a metallized polymeric film sheet layer forming an inner layer, a scrim, a porous media sheet layer, and a polymeric film sheet layer forming an outer exposed layer bonded together via an adhesive. The laminate is coextensive with and bonded to the cylindrical outer surface of the core and the laminate and core are flexible so that the core and laminate can be opened, placed about a pipe, and closed without degrading the laminate.

First claim

What is claimed is:

1. A laminate comprising:
a first outer polymeric film layer;
a second outer layer polymeric film layer;
an inner layer between the first outer polymeric film layer and the second outer polymeric film layer, the inner layer being:
a porous media layer; and
a fiber mesh layer;
and
at least one adhesive between each of the layers and bonding adjacent layers to each other,
wherein the laminate comprises flame retardant and anti-microbial additives.

2. The laminate of claim 1 , wherein the porous media sheet is pre-saturated with the flame retardant additive.

3. The laminate of claim 1 , wherein the at least one adhesive is saturated within or applied to the porous media layer.

4. The laminate of claim 1 , wherein the at least one adhesive comprises at least one of a fungi growth inhibiting agent and an anti-microbial agent.

5. The laminate of claim 1 , wherein the porous media layer is between the first outer polymeric film sheet and the fiber mesh layer.

6. The laminate of claim 1 , wherein the flame retardant additive is absorbed and retained within the porous media layer.

7. The laminate of claim 1 , wherein the porous media layer comprises one of kraft paper, a fiberglass mat, a synthetic mat, and paper.

8. The laminate of claim 1 , wherein the laminate is utilized in a high humidity environment and wherein the laminate is substantially free from at least one of wrinkling and dimpling after exposure to the high humidity environment.

9. The laminate of claim 1 , wherein the at least one adhesive comprises a polymeric base including an additional flame retardant additive.

10. The laminate of claim 9 , wherein the additional flame retardant additive comprises at least one of organic, inorganic, and a blend of organic and inorganic flame retardants.

11. The laminate of claim 1 , wherein at least one of the polymeric film sheet layers comprises one of a metallized polyethylene terephthalate and a metallized polypropylene.

12. The laminate of claim 11 , wherein the at least one of the polymeric film sheet layers is between about 0.48 mils and about 100 mils thick.

13. The laminate of claim 11 , wherein the fiber mesh layer is between the metallized polymeric film layer and the porous media layer.

14. The laminate of claim 11 , wherein the metallized polymeric film layer comprises an aluminum foil between about 0.00025 inches and about 0.001 inches thick.

15. A method for producing a laminate, the method comprising:
providing a polymeric film sheet material, the polymeric film sheet material forming a first outer layer of the laminate that provides a moisture vapor barrier to minimize fluid vapor transmission through the laminate, the polymeric film sheet material comprising:
a length,
a width,
a first face, and
a second face, wherein the length and width form an area that defines that first face and the second face;
providing a porous media sheet material forming a second outer layer of the laminate, wherein the porous media sheet material is substantially coextensive with the second face;
providing a scrim between the polymeric sheet material and the porous media sheet material, wherein the scrim comprises a mesh of a plurality of fibers, and wherein the scrim is substantially coextensive with the porous media sheet material;
and
bonding, via an adhesive material, the polymeric sheet material, the scrim, and the porous media sheet material together to form the laminate.

16. The method for producing the laminate of claim 15 , further comprising:
positioning an insulating material directly adjacent the first face of the polymeric sheet material; and
bonding, via an additional adhesive material, the insulating material with the first face of the polymeric sheet material.

17. The method for producing the laminate of claim 15 , wherein the polymeric sheet material comprises at least one of a metallized polyethylene terephthalate (MPET) and a metallized polypropylene, and aluminum foil.

18. The method for producing the laminate of claim 15 , wherein the adhesive comprises a flame retardant and the adhesive is saturated within or applied to at least one of the porous media outer sheet layer and the polymer sheet layer.

19. The method for producing the laminate of claim 15 , wherein the adhesive comprises a polymeric based adhesive, and wherein the adhesive contains at least one of a flame retardant and an anti-microbial agent.

20. The method for producing the laminate of claim 19 , wherein the flame retardant comprises a blend of organic and inorganic flame retardants.

Assignees

• Johns Manville

Inventors

• Shumate Monroe William

Classifications

• F16L59/14

  Arrangements for the insulation of pipes or pipe systems (F16L59/02 - F16L59/12 take precedence) · CPC title

• B32B5/028

  Net structure, e.g. spaced apart filaments bonded at the crossing points · CPC title

• F16L59/022 Primary

  with a single slit · CPC title

• B32B7/12

  using interposed adhesives or interposed materials with bonding properties · CPC title

• B32B2597/00

  Tubular articles, e.g. hoses, pipes · CPC title