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:
Nov. 13, 2012
Filed:
Mar. 07, 2008
Giuseppe Di Miceli, Menziken, CH;
Bruno Von Wyl, Kägiswil, CH;
Giuseppe Di Miceli, Menziken, CH;
Bruno Von Wyl, Kägiswil, CH;
Leister Technologies AG, Kagiswil, CH;
Abstract
The invention relates to a hand welding extruder () for welding thermoplastic materials by means of a plasticized plastic strand () having a plasticization worm unit () connected to a drive motor () by a gearbox (), and having a hot air generation device () with an external air supply, the plasticizer worm unit, the gearbox, the drive motor, and the hot air generation device being disposed in a common housing. The proposed hand welding extruder has a bar-shaped housing having a front welding segment () and a grab handle () connected thereto in the longitudinal direction. The plasticizer worm unit and the hot air generation device are disposed in the bar-shaped housing in the welding segment and an electric motor () is disposed in the grab handle. The electric motor is connected to a shaft of the extruder worm () via a gearbox, the gearbox being potentially provided in the grab handle and/or the welding segment of the bar-shaped housing of the hand weld extruder.