Patent · US Expired

Method and device for welding thermoplastic material shaped parts, particularly for contour-welding three-dimensional shaped parts

US8075725B2 · kind B2 · utility

7Cited by

3References

7Claims

0Family size

Assignee

Laserquipment AG · DE

Inventors

Alexander Hofmann · Hanau, DE
Stefan Hierl · Starnberg, DE

Key dates

Filing date	Dec 4, 2003
Grant date	Dec 13, 2011
Priority date	—
Expiry date	Feb 25, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2995/0027
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method and an apparatus for welding thermoplastic molded articles wherein additional simultaneous irradiation, in the welding area (18), of one of the join partners (1) will lead to a temperature increase of this join partner, occasioning process-reliable welding.

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