Moisture impervious panel

• US 4,070,839 A
• Filed: 09/09/1976
• Issued: 01/31/1978
• Est. Priority Date: 09/09/1976
• Status: Expired due to Term

• Current Assignee: American Colloid Company (Minerals Technologies Incorporated)
• Original Assignee: American Colloid Company (Minerals Technologies Incorporated)
• Inventors: Clem, Arthur G.
• Primary Examiner(s): Faw, Jr., Price C.
• Assistant Examiner(s): Friedman, Carl D.
• Application Number:
  US05/722,004
• Time in Patent Office: 509 Days
• Field of Search: 52/618, 52/450, 52/451, 52/447, 52/448, 52/169.13, 428/117
• US Class Current: 52/448
• CPC Class Codes: B32B 15/04 comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a bituminous or tarry layer B32B11/08; next to a water-setting substance layer B32B13/06; next to a glass layer B32B17/061; next to a cellulosic plastic layer B32B23/042
• CPC Class Codes: B32B 15/08 of synthetic resin
• CPC Class Codes: B32B 2262/101 Glass fibres
• CPC Class Codes: B32B 2305/08 Reinforcements
• CPC Class Codes: B32B 2305/30 Fillers, e.g. particles, powders, beads, flakes, spheres, chips
• CPC Class Codes: B32B 2307/7163 Biodegradable
• CPC Class Codes: B32B 2307/7265 Non-permeable
• CPC Class Codes: B32B 2311/00 Metals, their alloys or their compounds
• CPC Class Codes: B32B 2315/085 Glass fiber cloth or fabric
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: B32B 3/28 characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled B32B29/08 takes precedence
• CPC Class Codes: B32B 5/02 characterised by structural features of a fibrous or filamentary layer layer formed of metallic wires B32B15/02; layer formed of natural mineral fibres B32B19/02; layer formed of wood fibres B32B21/02
• CPC Class Codes: B32B 7/12 using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: E04B 1/66 Sealings damp-proof courses E04B1/644; fire-proof sealings E04B1/948; additions of anti-leak properties to plaster C04B; bituminous sealing masses C08L95/00; sealings for hydraulic engineering work in general E02B3/16; against ground humidity or ground water E02D31/02; coverings against rain or other precipitations of the atmosphere E04D; composition of material or manufacture of sealing foils, see the relevant classes for these foils
• CPC Class Codes: E04D 3/35 Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation self-supporting roofing slabs laminated with layers of insulating material E04B7/22; insulating devices or arrangements in the roof covering E04D13/16; connecting, fastening of double roof covering E04D3/3608
• CPC Class Codes: E04D 7/00 Roof covering exclusively consisting of sealing masses applied in situ; Gravelling of flat roofs
• CPC Class Codes: Y10T 428/24157 Filled honeycomb cells [e.g., solid substance in cavities, etc.]

Abstract

A moisture impervious panel includes a pair of spaced facing sheets interconnected by a central rigid support sheet, such as corrugated fiberglass, to form a plurality of pockets between the support sheet and the facing sheets. The pockets are filled with a composition of water-swellable bentonite and a compressible filler, such as vermiculite.

Claims

1. A deck structure comprising first and second adjacent panels each panel comprising a pair of spaced facing sheets interconnected by a central rigid, non-biodegradable, corrugated support sheet forming a plurality of voids between the central rigid sheet and respective ones of the facing sheets, and a mixture of water-swellable bentonite and a compressible filler substantially filling said voids;

and a wear surface covering the top faces of said first and second panels, said top faces being water penetrable;

said central, rigid, non-biodegradable, corrugated support sheets of said first and second panels overlapping in mating contact.

2. A deck structure as defined in claim 1 wherein said wear surface is concrete.

3. A deck structure as defined in claim 1 wherein said corrugated sheets contact said spacing sheets.

4. A deck structure as defined in claim 3 wherein said corrugated sheets comprise fiberglass.

5. A method of rendering a surface water impermeable comprising, disposing on said surface a plurality of moisture impervious panels, interconnected by a central, rigid, non-biodegradable, corrugated support sheet, each panel comprising a top sheet of a water penetrable material spaced apart from a bottom sheet, said top sheet interconnected to said bottom sheet by said central, rigid, non-biodegradable, corrugated support sheet, said support sheet forming a plurality of voids between the support sheet and both the top sheet and the bottom sheet, and a mixture of water-swellable bentonite and a compressible filler substantially filling said voids;

and disposing a wear surface on the top sheet of said panels.

6. A method as defined in claim 5 wherein said wear surface comprises concrete.

7. A method as defined in claim 5 wherein said corrugated sheet of each panel comprises fiberglass.

8. A method of forming a water-impermeable deck structure comprising filling voids in first and second panels with a mixture of water-swellable bentonite and a compressible filler, each panel comprising a pair of spaced facing sheets, including an uppermost water penetrable facing sheet, interconnected by a central, rigid, non-biodegradable, corrugated support sheet at least one of said facing sheets of each panel disposed to incompletely cover said corrugated central support sheets;

interconnecting said panels by disposing an uncovered portion of the corrugated sheet of said first panel over an uncovered corrugated portion of said second panel such that the central, rigid, non-biodegradable corrugated sheets of said first and second panels are in direct contact along said uncovered portions to provide a mixture of water-swellable bentonite and a compressible filler above and below the contacting portions of said support sheets and disposing a wear surface on the top sheet of said panels.