Rotary ultrasonic apparatus and methods

Details Rotary ultrasonic apparatus and methods Rotary ultrasonic apparatus and methods

1995-01-31

1998-01-13

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 731, 156 733, 156268, 1565802, 83956, 264444, B29C 6508

Patent

active

057074704

ABSTRACT:
This invention pertains to methods for processing workpieces, including effecting changes in the workpieces by applying ultrasonic energy to the workpieces using novel apparatus and steps for applying the ultrasonic energy to the workpieces. Specifically, an ultrasonic horn and anvil are used to apply ultrasonic energy in a limited amount, to effect change such as cutting in one layer of a workpiece without effecting a corresponding change in the other layers of the workpiece, although some change in the other layers may be tolerated and/or desired. A rotary horn and anvil are taught, with a protuberance on either the horn or the anvil. In use, the horn and anvil preferably rotate cooperatively in close proximity to each other at a nip, and apply pressure and corresponding ultrasonic energy to the workpiece only when the protuberance rotates into the nip, even though ultrasonic energy may be applied uniformly to the ultrasonic horn throughout the rotation of the protuberance. The workpieces may be presented to the horn/anvil combination as contained serially in a web of workpieces passing through the gap at a given speed; the speed of the protuberance being preferably substantially matched to the speed of the web while the protuberance is applying ultrasonic energy to a workpiece, but may differ from the speed of the web when the protuberance is not applying ultrasonic energy to a workpiece.

REFERENCES:
patent: 3217957 (1965-11-01), Jarvie et al.
patent: 3242029 (1966-03-01), Deans
patent: 3874963 (1975-04-01), Barger
patent: 4479836 (1984-10-01), Dickover et al.
patent: 4647325 (1987-03-01), Bach
patent: 4662037 (1987-05-01), Provost et al.
patent: 4747895 (1988-05-01), Wallerstein et al.
patent: 4767492 (1988-08-01), Fukusima et al.
patent: 4975133 (1990-12-01), Gochermann
patent: 5110403 (1992-05-01), Ehlert
patent: 5188627 (1993-02-01), Igaue et al.

Affiliated with

Also associated with

Rating

Rotary ultrasonic apparatus and methods does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary ultrasonic apparatus and methods, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary ultrasonic apparatus and methods will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-323082