Patent · US Expired

Method of forming latex-, PVC- and plasticizer-free foamed floor or wall coverings

US5407617A · kind A · utility

41Cited by

10References

3Claims

0Family size

Assignee

Tarkett Pegulan AG · DE

Inventors

Horst Oppermann · Fürstenberg/Havel, DE
Reinhold Blass · Ockfen, DE
Joachim Duerkop · Bischofswerda, DE
Klaus Schmidt-Ott · Konz, DE

Key dates

Filing date	Oct 27, 1992
Grant date	Apr 18, 1995
Priority date	—
Expiry date	Oct 27, 2012

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06N2209/0807
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A process for manufacturing latex-, PVC- and plasticizer-free textile or plastic floor or wall coverings, which contain a foamed layer, in which a powder mixture containing: PA1 (1) 100 parts by weight of a thermoplastic polymer; PA1 (2) 0-100 parts by weight of fillers; PA1 (3) 0.5-7 parts by weight of blowing agents; and PA1 (4) 0-30 parts by weight of additives; is scattered onto a backing layer, melted at a temperature within the range of from about 70.degree. to about 110.degree. C. smoothed between smoothing rolls and foamed at a temperature within the range of from about 120.degree. to about 200.degree. C.

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