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:
Jan. 07, 1997
Filed:
Mar. 09, 1995
Applicant:
Inventor:
Eugen Schwarzkopf, Ludenscheid, DE;
Assignee:
Hotset Heizpatronen U. Zubehor GmbH, Ludenscheid, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; F16L / ;
U.S. Cl.
CPC ...
219535 ; 219544 ; 285390 ; 285417 ;
Abstract
A heater used on a body having a substantially cylindrical outer surface has a heatable generally cylindrical sleeve fittable over the body and having one end formed with a screwthread and a ring threadable into the screwthread locks the sleeve on the body. More particularly the ring is also formed with a screwthread complementary to the body screwthread and both screwthreads are tapered. This ring is split along its full length so that when the ring is screwed into the body it is compressed radially of a central axis of the body.