Patent · US Expired

Heating soft floor mat

US4817707A · kind A · utility

17Cited by
3References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 21, 1987
Grant dateApr 4, 1989
Priority date
Expiry dateSep 21, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/905
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A heating soft floor mat is described comprising a base sheet composed of a thermoplastic resin foamed article as a heat insulating layer having meanderingly formed thereon grooves for conduits, conduits for heating medium disposed in the grooves, and cover material having flexibility covering the surface side thereof, wherein the thermoplastic resin foamed article is a crosslinked polyethylene foamed article containing closed cells having a degree of expansion of from 10 to 40 and the conduits are composed of low density crosslinked polyethylene having a density of less than 0.910 g/cm.sup.3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.