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:
Dec. 31, 1991
Filed:
Feb. 15, 1990
Applicant:
Inventors:
Ichiro Yoshida, Osaka, JP;
Yutaka Aiga, Tachikawa, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42D / ;
U.S. Cl.
CPC ...
102303 ;
Abstract
A shielding sheet for blasting operations which comprises a fabric for shielding a site to be destructed by a blasting operation, said fabric composed of a yarn of polyethylene fiber having a tensile strength of not less than 15 g/d, a tensile modulus of not less than 400 g/d and a total denier of not less than 600, and a weight of said fabric being not less than 130 g/m.sup.2.