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:
Aug. 13, 1996
Filed:
Sep. 08, 1993
Applicant:
Inventor:
Manfred A Lupke, Thornhill, CA;
Assignee:
Corma, Inc., Concord, CA;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264508 ; 264571 ; 264D / ; 425233 ; 4253261 ; 425336 ; 425388 ;
Abstract
An improved, endless mold tunnel, clamshell-type, thermoplastic tube molding apparatus and method using exteriorly disposed, compressive roller elements and a cooperating keyway/matching lug assembly for maintaining the alignment of the independent mold blocks and mold block half sections substantially orthogonal relative to opposed half sections and relative to the contiguous upstream and downstream mold blocks in said tunnel while allowing for the introduction of cooling fluid or vacuum.