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:
Jun. 28, 1994
Filed:
Nov. 30, 1992
Applicant:
Inventors:
Masaaki Takahashi, Tokyo, JP;
Yasuo Soga, Tokyo, JP;
Kazuyoshi Iatagaki, Tokyo, JP;
Yutaka Fujita, Tokyo, JP;
Yutaka Nakamura, Tokyo, JP;
Assignees:
Sohwa Shell Sekiyu Kabushiki Kaisha, Tokyo, JP;
Shimizu Construction Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 59 ; 524 62 ; 524 64 ; 524519 ; 524515 ; 524526 ; 524571 ; 524573 ; 524574 ; 524575 ; 5245755 ;
Abstract
A vibration damping material of asphalt cement comprising a) 60-90 parts by weight of asphalt cement: b) 10-30 parts by weight of thermoplastic rubber: and c) 0-20 parts by weight of tacky producer. A total sum of weight of a), b) and c) is 100 parts by weight. A penetration of the vibration damping material falls in a range of 35 to 140.