The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 1989
Filed:
Mar. 17, 1988
Applicant:
Inventor:
Klaus Bellmer, Ronnenberg, DE;
Assignee:
Hermann Berstorff Maschinenbau GmbH, Hanover, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425185 ; 425186 ; 4251 / ;
Abstract
A preparatory station for pre-forming bar assemblies intended for use in conjunction with multiple extrusion head for producing rubber profiles for tread strips of automobile tires includes a plurality of chambers receiving said bar assemblies from said extruder head and for accommodating replacement assemblies, means being provided for heating the accommodation chambers, and further including arrangements for ejecting the pre-forming bar assemblies from the extrusion head and for removing the splicing or jointing bar assemblies and the profile bar assemblies from the pre-forming bar assemblies.