Ultrasonic welding head for polypropylene strapping

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Description

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.degree. 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.

Referenced Cited
U.S. Patent Documents
3022814 February 1962 Bodine, Jr.
3468731 September 1969 Obeda
4131505 December 26, 1978 Davis, Jr.
Patent History
Patent number: D255318
Type: Grant
Filed: Nov 22, 1977
Date of Patent: Jun 10, 1980
Inventor: Hans A. Bakkeren (Hilversum, 1217 HK)
Primary Examiner: Peter Feldman
Law Firm: Young & Thompson
Application Number: 5/854,034
Classifications
Current U.S. Class: D 8/30; Heat Treatment, Welding Or Brazing (D15/144); 156/5801; 228/1A
International Classification: D0805;