Patent
   D255318
Priority
Nov 22 1977
Filed
Nov 22 1977
Issued
Jun 10 1980
Expiry
Jun 10 1994
Assg.orig
Entity
unknown
13
3
n/a
The ornamental design for an ultrasonic welding head for polypropylene strapping, as shown.

FIG. 1 is a slightly reduced perspective view of an ultrasonic welding head for polypropylene strapping, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view thereof rotated 90° from FIG. 2;

FIG. 4 is an end elevational view from the lower left end in FIG. 1; and

FIG. 5 is an end elevational view from the end opposite that of FIG. 4.

Bakkeren, Hans A.

Patent Priority Assignee Title
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Patent Priority Assignee Title
3022814,
3468731,
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