Patent · US Expired

Portable hot-press for thermowelding marked and/or printed foils of thermoplastic synthetic material

US4624730A · kind A · utility

3Cited by

8References

2Claims

0Family size

Assignee

Hoesch Maschinenfabrik Deutschland AG · DE

Inventors

Manfred Reyer · Dortmund, DE
Klaus Schmidts · Dortmund, DE

Key dates

Filing date	Aug 16, 1984
Grant date	Nov 25, 1986
Priority date	—
Expiry date	Aug 16, 2004

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB30B1/18
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A portable hot-press for thermowelding marked and/or printed foils of thermoplastic synthetic material, particularly PVC, to produce single-sheet identification cards. There are provided a press drive, two heating plates, one fixed and one sliding cross bar on the press and a fan for cooling the heating plates and thermowelded foils. Two screw elevating gears, driven by a gearmotor are provided to guide and move the cross bar of the press. The gearmotor may have a retaining brake.

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