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. 14, 2001
Filed:
Sep. 14, 1999
Walter K. Schoch, Peachtree City, GA (US);
Crown Cork & Seal Technologies Corporation, Alsip, IL (US);
Abstract
A blow-pin assembly includes a circular body, a ring member, and a seal assembly. The body and the ring member define a central passage. The seal assembly comprises a seal band. The body and the ring member retain the seal band proximate an outer circumferential surface of the body. A neck portion of a parison is positioned over the outer circumferential surface. Pressurized air is routed through the central passage and into the parison during blow-molding operations. The pressurized air causes the parison to expand into the sides of a surrounding mold, thus forming the parison into a hollow object such as a container. The pressurized air also urges the seal band into the parison neck portion, thereby inhibiting leakage of the pressurized air between the neck portion and the blow-pin assembly.