Hand held vacuum device

Details Hand held vacuum device Hand held vacuum device

1995-11-08

1998-06-16

Walczak, David J.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Level or overflow responsive

141 65, 141 96, B65B 104

Patent

active

057656088

ABSTRACT:
A hand held device for forming a vacuum within a container. The device includes a pump for drawing a vacuum within the container and a motor for driving the pump. A vacuum sensor is connected to control circuitry for indicating when a vacuum has been established within the container.

REFERENCES:
patent: 2790869 (1957-04-01), Hansen
patent: 2921159 (1960-01-01), Elderton et al.
patent: 3296395 (1967-01-01), Fraser
patent: 3592244 (1971-07-01), Chamberlin
patent: 3688064 (1972-08-01), Myers
patent: 3689719 (1972-09-01), Phillips et al.
patent: 5195427 (1993-03-01), Germano

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