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. 30, 1980
Filed:
Feb. 21, 1979
Applicant:
Inventor:
Harry Crisci, New Castle, PA (US);
Assignee:
Northern Engineering & Plastics Corporation, New Castle, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425525 ; 264533 ; 425527 ; 425535 ;
Abstract
Devices for making hollow articles such as bottles from thermoplastic resin with a blow mold wherein a parison in the mold is shaped by air blown through a blow pin carrying a mandrel arranged to seal a portion of the parison with respect to a section of the mold in order to provide an additional quantity of thermoplastic resin in a critical area to be subsequently shaped in a smooth inner annular surface by the mandrel.