Process for hydrosonically area thinning thin sheet materials

Details Process for hydrosonically area thinning thin sheet materials Process for hydrosonically area thinning thin sheet materials

1994-05-04

1995-11-14

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Using sonic, supersonic, or ultrasonic energy

264284, B06B 300, B29C 5900

Patent

active

054664012

ABSTRACT:
A method for forming thinned areas in a thin sheet material. The method includes the steps of (1) placing the thin sheet material on a pattern anvil having a pattern of raised areas wherein the height of the raised areas is generally less than the thickness of the sheet material; (2) conveying the sheet material, while placed on the pattern anvil, through an area where a fluid is applied to the sheet material; and (3) subjecting the sheet material to a sufficient amount of ultrasonic vibrations in the area where the fluid is applied to the sheet material to area thin the sheet material in a pattern generally the same as the pattern of raised areas on the pattern anvil. In some embodiments, the thinned areas may be micro areas.

REFERENCES:
patent: 5269981 (1993-12-01), Jameson et al.
patent: 5336452 (1994-08-01), Cohen et al.
patent: 5370830 (1994-12-01), Jameson et al.

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