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:
Feb. 11, 1992
Filed:
Sep. 05, 1990
Applicant:
Inventors:
Thomas P Shamaly, Shelton, CT (US);
Sidney D Schwartz, Hamden, CT (US);
Assignee:
Emhart Inc., Towson, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J / ;
U.S. Cl.
CPC ...
29243523 ; 29243525 ; 7245317 ;
Abstract
Line air is continuously supplied to the return side of the piston of the pulling head adaptor assembly to return the piston to the start position and this air is also selectively connected to drive the vacuum transducer which operates the mandrel collection system.