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. 19, 1999
Filed:
Dec. 30, 1996
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
428 3691 ; 428 366 ; 428 369 ; 264250 ; 264299 ; 264309 ; 264319 ; 264D / ;
Abstract
Provided is a method of manufacturing a cylindrically shaped article, wherein a thermoplastic layer is formed on the surface of the cylindrically shaped article precisely and at low cost. To achieve this, the outer peripheral surface of a cylindrically shaped article supported on a columnar member is coated with particles of a thermoplastic resin, a tubular molding member is fitted on the cylindrically shaped article coated with a film of the particles of thermoplastic resin, and at least the columnar member is then heated to calcine the thermoplastic resin film.