Patent · US Expired

Butt-welding process using an automatically controlled electro-welding machine

US6036795A · kind A · utility

8Cited by
7References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateApr 20, 1998
Grant dateMar 14, 2000
Priority date
Expiry dateApr 20, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C66/9592
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

It concerns butt-welding of parts made of plastics material(s). For this purpose, the invention proposes correcting, according to an ambient temperature which is measured in the environment of the parts at the moment of welding, at least one of the following parameters: pressure(s) for contact and/or welding of the parts, electrical energy to be supplied to means for displacement of the said parts, stroke(s) of relative displacement of the parts, time for obtaining beads at the end of the parts during the phase of heating the latter.

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