Patent · US Active

Flooring material

US11821219B2 · kind B2 · utility

0Cited by

7References

2Claims

0Family size

Assignee

ALTRO LIMITED · GB

Inventors

Martin David Callis · Letchworth, GB
Richard John Peace · Bedford, GB
Laura Yates · Biggleswade, GB
Oliver Fassauer · Dessau, DE
Bernhard Jung · Weinsberg, DE
Wilfried Spitz · Dessau, DE

Key dates

Filing date	Apr 6, 2020
Grant date	Nov 21, 2023
Priority date	—
Expiry date	Apr 6, 2040

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04F2290/02
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The invention provides a ventilating synthetic floor-covering comprising a ventilating support layer and one or more synthetic layers wherein the ventilating support layer comprises a plurality of studs between which narrow ventilation channels are formed even when the floor-covering is compressed in normal use wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; a ventilating support layer; a production line for use in the preparation of a ventilating support layer wherein the ventilating support layer comprises a support layer and a plurality of studs wherein the production line comprises an embossing roller for embossing the plurality of studs on the support layer or a printing roller for printing the plurality of studs on the support layer wherein narrow ventilation channels are formed between the plurality of studs and wherein the narrow ventilation channels have a width which is less than a principal dimension of the studs; and a method of preparing a synthetic floor-covering according to the invention which method comprises a step of providing a synthetic floor-covering comprising an upper layer and a support layer; and …

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