Patent EP0134820A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0134820A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method of producing plastic cards

Assignee: Melzer Maschinenbau GmbH
•
Filing: 1983-07-01
•
Granted: —
•
Expires: 2003-07-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Translated from German Verfahren und Anlage zum Herstellen von Kunststoffkarten, z.B. Kreditkarten. Die zu verbackenden Kunststoffblätter werden durch eine Mehrzahl von Presszonen gefördert, in denen der Schichtaufbau aufgeheizt und wieder abgekühlt wird. Die Förderung erfolgt mittels wärmeleitender, vorzugsweise metallischer Bänder. Anwendung bei Massenfertigung von Plastikkarten. Process and plant for the production of plastic cards, e.g. Credit cards. The plastic sheets to be baked are conveyed through a plurality of press zones in which the layer structure is heated and cooled again. The promotion takes place by means of heat-conducting, preferably metallic, belts. Used in the mass production of plastic cards.

Inventors

  • 👤 Roland Melzer
  • 👤 Rainer Melzer

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 18:13
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/18; B32B37/182; B32B37/185; B29; B29C; B29C43/00; B29C43/22; B29C43/228; B32B37/10; B32B37/1027; B32B37/20; B32B37/203; B29C43/32; B29C43/44; B29C43/48; B29C2043/483

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

FR1037593A Cited
GB745628A Cited
CH376652A Cited
US3620880A Cited
FR2467089A1 Cited
EP0045003A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag