Welding machine for plastic sheets

- Leister Technologies AG
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Description

FIG. 1 is a front perspective view of a welding machine for plastic sheets showing our design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

Claims

The ornamental design for a welding machine for plastic sheets, as shown and described.

Referenced Cited
U.S. Patent Documents
D243459 February 22, 1977 Bliss
D275293 August 28, 1984 Bouman
D357263 April 11, 1995 Soderholm
D357927 May 2, 1995 Soderholm
D416030 November 2, 1999 Weller et al.
D434428 November 28, 2000 Krieck
D445812 July 31, 2001 Shimizu et al.
6870131 March 22, 2005 Achtner et al.
7241973 July 10, 2007 Di Novo et al.
D556798 December 4, 2007 Franco
D558803 January 1, 2008 Gisler et al.
D569883 May 27, 2008 Wang
D569884 May 27, 2008 Shu
D606102 December 15, 2009 Bender et al.
D621430 August 10, 2010 Christen et al.
D652436 January 17, 2012 Ostlund et al.
D665833 August 21, 2012 Raymond et al.
D679738 April 9, 2013 Segala
8431863 April 30, 2013 Kindig
D709934 July 29, 2014 Ross et al.
8794290 August 5, 2014 Hamlin, III
Patent History
Patent number: D726793
Type: Grant
Filed: May 10, 2014
Date of Patent: Apr 14, 2015
Assignee: Leister Technologies AG (Kagiswil)
Inventors: Bruno von Wyl (Kagiswill), Lukas Gisler (Alpnach Dorf)
Primary Examiner: Patricia Palasik
Application Number: 29/490,529
Classifications
Current U.S. Class: Heat Treatment, Welding Or Brazing (D15/144)