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:
May. 26, 1992
Filed:
Jul. 23, 1990
Applicant:
Inventors:
Harvell M Smith, Evergreen, CO (US);
Edward J Marx, Baltimore, MD (US);
Robert R Coleman, Westminster, CO (US);
Assignee:
Manville Corporation, Denver, CO (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A43D / ; B23P / ;
U.S. Cl.
CPC ...
227 67 ; 29 3 / ; 294191 ; 294322 ;
Abstract
The reinforcing wires in a fibrous duct are inserted by simultaneously piercing opposite sides of the duct with elongated piercing means mounted on a reciprocally movable frame. The piercing means may be the reinforcing wires themselves or may be separate structure, such as tubes, which can function as guides for the insertion of the wire before they are withdrawn.