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. 18, 1977
Filed:
Oct. 28, 1975
Applicant:
Inventor:
Guillaume Ward Jamin, Manchester, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
308-35 ; 34 92 ; 68 / ; 226 97 ;
Abstract
A sealing apparatus which enables web material to be passed through a gap in a wall includes a plurality of main rollers in the gap in sequential contact between which the web material passes, an auxiliary roller in contact with the first and last main rollers, and a pressure-loaded bearing block mounted in a housing which forms part of the walls surrounding the gap, the coefficient of expansion of the bearing block being greater than the coefficient of expansion of the housing, and means for heating the bearing block.