Patent · US Expired

Wear resistant safety coating for people moving device treadplates

US5350049A · kind A · utility

7Cited by

1References

9Claims

0Family size

Assignee

OTIS ELEVATOR COMPANY · US

Inventors

Hermann W. Ahls · Premnitz, DE
Michael Kruse · Halberstung, DE
Peter Borchers · Stadthagen, DE

Key dates

Filing date	Jul 15, 1993
Grant date	Sep 27, 1994
Priority date	—
Expiry date	Jul 15, 2013

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB66B23/12
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A treadplate for a people moving device is provided having a tread surface with a plurality of ribs extending out from the tread surface, and a wear resistant polymeric coating, having a color, bonded to the treadplate. The polymeric coating being made of a thermal setting plasticized polyvinylchloride plastic.

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