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:
Jun. 13, 1995
Filed:
Jan. 19, 1994
Applicant:
Inventors:
Rolf Hentschel, Walsheim, DE;
Harald Schenk, Weinheim, DE;
Robert Groten, Weinheim, DE;
Achim Gruber, Schonau, DE;
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425-8 ; 264-8 ; 4253782 ;
Abstract
An apparatus for producing filaments from meltable material utilizing centrifugal force includes a hollow body (2) rotating at high speed, whose bottom (5) the meltable material strikes from above in the solid state. The wall of the hollow body, shaped as a cylindrical casing, is formed by a heating device (4) which includes metal elements running in a rectangular and helical fashion, such that the interstices of the helix form the discharge openings for the molten material.