公开(公告)号：DE3201266A1

公开(公告)日：1983-07-28

申请号：DE3201266

申请日：1982-01-16

Applicant: BASF AG

Inventor： KAUTZ GERHARD DIPL ING ,  GRIMM GERHARD ,  SCHOLL KARL-HEINZ DIPL ING DR ,  HAGEN KARL DIPL ING DR

IPC: B29C57/00 ,  B29C43/02 ,  B29C43/18 ,  B29C43/20 ,  B29C43/32 ,  B29C43/34 ,  B29C43/52 ,  B29C51/14 ,  B29C65/00 ,  B29C65/64 ,  B29C67/00 ,  B29C70/00 ,  B29C70/46 ,  B29C70/54 ,  B32B27/00 ,  B29D3/02 ,  B32B27/12

Abstract: 1. A process for the production of moldings from fiber-reinforced laminates, by bonding two or more layers of identical or different thermoplastics via one or more middle layers of fibrous substances, the layers being heated outside a mold to temperatures up to the softening point of the thermoplastics and being shaped, and caused to adhere to one another, in the mold, wherein the layers are prepared to correspond to the contour of the molding to be produced, are heated individually, are brought together and are pressed together, in the mold, in such a way that the thermoplastics penetrate, at least partially, through the middle layer consisting of fibrous substances.

公开(公告)号：DE3233841A1

公开(公告)日：1983-03-31

申请号：DE3233841

申请日：1982-09-11

Applicant: BASF AG

Inventor： KAUTZ GERHARD DIPL ING ,  SCHUMACHER FRANZ DIPL ING ,  HAGEN KARL DIPL ING DR ,  SCHOLL KARL-HEINZ DIPL ING DR

IPC: B29C48/395 ,  B29C48/50 ,  B29F3/02

Abstract: In the case of this screw extruder, the barrel is subdivided into a coolable feed section (1) and a heatable melting cylinder. The feed section (1) has on its inner circumferential surface longitudinal grooves (2), which extend over its entire length or part of the length. For the purpose of adapting the feed behaviour of the screw extruder, in particular at constant screw speeds, to conditions changing during operation, the longitudinal grooves (2) can be changed in their cross-section and/or in their length. Preferably, all the longitudinal grooves can be changed simultaneously. In this way, output fluctuations and consequently production disturbances are avoided.