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:
May. 17, 2005
Filed:
Nov. 22, 2002
Peter Sattler, Zwingenberg, DE;
Udo Liebram, Pfungstadt, DE;
Peter Sattler, Zwingenberg, DE;
Udo Liebram, Pfungstadt, DE;
Synventive Molding Solutions B.V., 'S-Gravendeel, NL;
Abstract
An injection moulding device includes an elongated nozzle having a central bore, a forward end with an outlet for supplying molten thermoplastic material via the bore and the outlet to a cavity, and a heating element around the nozzle, the heating element having a rear end and a forward end and being helically wound around and supported by the nozzle. The helical windings of the heating element are substantially unrestrained in a circumferential direction of the nozzle, wherein one of the ends of the heating element can be radically displaced around the nozzle in a circumferential direction.