B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/972
B29C 65/02 (2006.01) B29C 65/20 (2006.01)
Patent
CA 2002419
ABSTRACT OF THE DISCLOSURE An apparatus for welding plastic foils has only a single motor to drive the two pressure rollers. This is arranged within the bridge piece of a U- shaped housing or within a tubular pressure element of a pressing element, which is arranged at a distance from and parallel to the bridge piece. The welding apparatus is particularly suitable for performing welding operations in a vertical plane or overhead, as required, for instance, when lining tunnels. The welding apparatus is a light and compact and particularly convenient to use.
Ellenberger Bernd
Herzer Karl C.
Lass Gerhard
Reinheimer Paul
Schafer Karlheinz
Ellenberger Bernd
Herzer Karl C.
Lass Gerhard
Marks & Clerk
Pfaff Industriemaschinen Gmbh
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