Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2005-06-07
2005-06-07
Vo, Hai (Department: 1771)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S319300, C428S304400, C442S370000, C442S371000, C442S374000, C442S401000
Reexamination Certificate
active
06902799
ABSTRACT:
A laminated sheet which contains a cross-linking foam material, and radiates far infrared so that it has heat-insulating and heat-retentive properties. The laminated sheet (1) has a three-layered structure including polyethylene foam (2) having a sheet shape that is one example of a cross-linking foam material in which a substance that radiates far infrared rays is mixed, non-woven fabric (3) having a sheet shape formed on a lower face thereof and a polyester film (4) formed on an upper face thereof. Since the laminated sheet of the present invention is allowed to radiate far infrared rays, it can greatly shorten the snow-melting time, etc., because of its heat reflection effects in comparison with a sheet made of a single material of non-woven fabric, and it also makes it possible to greatly improve heat-insulating and heat-retentive effects, and also to provide medical effects.
REFERENCES:
patent: 4542057 (1985-09-01), Breitscheidel et al.
patent: 4906516 (1990-03-01), Okamura et al.
patent: 4980940 (1991-01-01), Isshiki
patent: 5972815 (1999-10-01), Bae
patent: 5993964 (1999-11-01), Nakajima
patent: 9-300510 (1997-11-01), None
patent: 11-315482 (1999-11-01), None
Translation of JP 11-315482, Yoji et al, “Decorative Sheet and Its Production,” 1 Nov. 16, 1999.
IST Corporation, Limited
Jordan and Hamburg LLP
Vo Hai
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