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:
Jul. 13, 1976
Filed:
Feb. 12, 1975
Brian Procter, Stroud, EN;
Hayssen Manufacturing Co., Sheboygan, WI (US);
Abstract
Methods of and apparatus for making plastic containers with integral rims, utilizing a transfer ring means having an aperture and an annular groove, in which the aperture is closed to define a space for reception of thermoplastic material, which is compressed to form it into a diaphragm with the material filling said groove forming the rim of the diaphragm, the transfer means carrying the diaphragm is positioned on a mold having a cavity corresponding to the shape of the container, the diaphragm is formed into a container in the mold cavity, and the container is removed from the transfer means with the rim of the diaphragm as molded in said groove intact with the container and forming the rim of the container.