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:
Mar. 16, 1976
Filed:
Mar. 14, 1975
Applicant:
Inventor:
Matheus Johannes Coppens, Kalmthout, BE;
Assignee:
Koninklijke Emballage Industrie Van Leer B.V., Amstelveen, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
220288 ;
Abstract
A plug of plastic or other soft material to be screwed into a metal neck, with means for preventing the possibility of screwing in the plug obliquely. The means comprises a cone-shaped bevel around the first thread of the plug, the top angle of the bevelling cone corresponding to the top angle of the reamer used to ream the entry of the neck screw thread.