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:
Oct. 22, 1991
Filed:
Jun. 05, 1989
Applicant:
Inventors:
John L Steiniger, Westlake, OH (US);
Glen D Schaaf, Avon Lake, OH (US);
William S Greenlee, Avon Lake, OH (US);
Elaine A Mertzel, Rocky River, OH (US);
Assignee:
The B. F. Goodrich Company, Brecksville, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; A47G / ; B29C / ;
U.S. Cl.
CPC ...
428217 ; 428 53 ; 428 54 ; 428 57 ; 428 58 ; 428192 ; 4284246 ; 5417 ; 1563043 ; 1563045 ; 156298 ; 1602291 ;
Abstract
A hinged flexible article is provided which has rigid or semirigid substrate means with an insert of a hinge material which permits repeated flexing of the article about the hinge without failure. The substrate means has a hardness of at least about 35 Shore D as measured by ASTM test D-2240, while the hinge material has a hardness of from about 25 to about 60 Shore D as measured by ASTM test D-2240.