Rolling pin horn

Details Rolling pin horn Rolling pin horn

2005-04-12

2005-04-12

Utech, Benjamin L. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Means applying electrical or wave energy directly to work

Sonic or supersonic wave energy

C156S073100, C228S001100, C264S443000

Reexamination Certificate

active

06877975

ABSTRACT:
A tubular resonant mechanical horn having a contoured inner surface such that, under vibration, an output radial displacement is obtained on the outer surface of horn that is substantially uniform over its entire surface, for producing effects useful in continuous processes. The horn does not contain a node of motional displacement.

REFERENCES:
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patent: 5087320 (1992-02-01), Neuwirth
patent: 5096532 (1992-03-01), Neuwirth
patent: 5110403 (1992-05-01), Ehlert
patent: 5171387 (1992-12-01), Wuchinich
patent: 5520774 (1996-05-01), Palacios et al.
patent: 5645681 (1997-07-01), Gopalakrishna et al.
patent: 5707483 (1998-01-01), Nayar et al.
patent: 6059923 (2000-05-01), Gopalakrishna
patent: 20020068872 (2002-06-01), Manna et al
Blevins, Robert D. Formulas for Natural Frequencies and Mode Shapes, 1993, pp. 203-204, 205-206, 304.

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