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:
Sep. 29, 1992
Filed:
Aug. 02, 1989
Applicant:
Inventors:
Helmut Kaeufe, Mettmann, DE;
Christian Kipfelsberger, Hepberg, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
156645 ; 29557 ; 5128 / ; 264155 ; 264157 ; 264162 ; 264163 ; 264230 ; 264291 ; 264293 ; 264296 ; 2643281 ; 264341 ; 2643 / ;
Abstract
The invention is directed to a method for manufacturing heat-activatable articles from a synthetic thermoplastic material on which a shape memory is impressed by introducing molecular orientations and molecular structures. These articles, after the impressing of the shape memory, are subsequently subject to a further change in shape, at least in sub-regions thereof. The shape memory is influenced by this further change in shape.