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:
Jul. 04, 1978
Filed:
Mar. 28, 1977
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41M / ; G01L / ;
U.S. Cl.
CPC ...
7314 / ; 116D / ; 282 275 ; 427150 ; 427151 ; 427152 ; 427258 ; 428307 ; 428320 ; 428322 ; 428323 ; 428914 ;
Abstract
A recording sheet, especially useful for measuring pressures of 1 to 2,000 kg/cm.sup.2 with a high degree of accuracy, comprising a support, a recording layer thereon, and a protective layer of a transparent synthetic resin provided on top of the recording layer by extrusion coating, the recording layer containing microcapsules having a .delta./D ratio (as defined in the specification hereof) of about 1.5 .times. 10.sup.-3 to about 2.5 .times. 10.sup.-1.