Patent
   D693864
Priority
Mar 15 2013
Filed
Mar 15 2013
Issued
Nov 19 2013
Expiry
Nov 19 2027
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a mobile pipe welding device, as shown and described.

FIG. 1 is a top isometric projection view of a mobile pipe welding device showing our new design;

FIG. 2 is an underneath isometric projection view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top elevation view thereof;

FIG. 6 is an underneath elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a rear elevation view thereof.

The nature of the design is a device through which a combined drive and idle wheel engages on the edges of a circumferential metal guide band attached to a pipe of any diameter which is positioned to be butt welded to another pipe of identical diameter. In use the embodiment of the ornamental design traverses around the edge of the aforesaid circumferential metal guide band in order to butt weld the adjacent ends of the two pipes.

Cooper, Roger George William, Doyle, Dominick, Penny, Michael Berkley

Patent Priority Assignee Title
D757831, Jun 10 2014 Roxtec AB Welding fixture
D763333, Jun 02 2015 Welding machine
D823911, Jun 10 2014 Roxtec AB Welding fixture
Patent Priority Assignee Title
7094298, Feb 19 2004 Sika AG Apparatus and method for welding overlapping water-proof membranes to each other
D615840, Jul 18 2008 TE Connectivity Corporation Hot stick tool assembly
D621430, Apr 24 2009 Leister Technologies AG Welding device
D642604, Dec 09 2010 Leister Technologies AG Stationary welding apparatus
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 27 2011COOPER, ROGER, MRGRIDWELD WELDING SYSTEMS LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0355890417 pdf
Feb 16 2015GRIDWELD LIMITEDGRIDWELD WELDING SYSTEMS LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0350600750 pdf
Feb 16 2015GRIDWELD WELDING SYSTEMS LIMITEDGRIDWELD WELDING SYSTEMS LIMITEDCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0350600750 pdf
Apr 01 2019GRIDWELD WELDING SYSTEMS LIMITEDGRIDWELD HOLDINGS LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0496000913 pdf
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