Method of making a disposable unitary cytology chamber and filte

Details Method of making a disposable unitary cytology chamber and filte Method of making a disposable unitary cytology chamber and filte

1987-03-02

1988-03-08

Lindsay, Robert L.

Glass manufacturing

Processes

Fusion bonding of glass to a formed part

156 731, 210477, 264 23, 422104, C03B 2320, B10D 2300, B29C 6508

Patent

active

047297786

ABSTRACT:
A unitary disposable chamber and filter unit including a method for making same in which a support surface on the chamber has energy directors such that when ultrasonic energy is applied thereto the energy directors will become molten and bond a filter card to the support surface at spaced locations away from the point of discharge of the fluid through the filter card onto a microscopic slide or other surface for analysis.

REFERENCES:
patent: 4062781 (1977-12-01), Strauss et al.
patent: 4137573 (1979-06-01), Kroeger
patent: 4169751 (1979-10-01), Yen
patent: 4265762 (1981-05-01), Brenholt
patent: 4344562 (1982-08-01), Riichi
patent: 4357240 (1982-11-01), Mehra et al.
patent: 4391710 (1983-07-01), Gordon
patent: 4448207 (1984-05-01), Parrish
patent: 4572753 (1986-02-01), Bach
patent: 4624809 (1986-11-01), Limura

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