Patent · US Expired

Weld wheel assembly for disposition on a membrane welding machine

US6581663B2 · kind B2 · utility

8Cited by
9References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2001
Grant dateJun 24, 2003
Priority date
Expiry dateSep 6, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1788
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A weld wheel assembly for disposition on a membrane welding machine, and for positioning a weld wheel adjacent a nozzle hot air outlet for pressing an overlying roof membrane heated by the nozzle against an underlying roof membrane heated by the nozzle, for welding the membranes together. The assembly includes a weld wheel rotatably mounted on an axle which is moveable toward and away from the membranes, and pressure exerting structure mounted on the machine and operable to bias the axle toward the membranes during operation of the machine.

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