John Erik Hansen
Engineers at 67 Dr, Arvada, CO

License number
Colorado 10582
Issued Date
Sep 18, 1971
Renew Date
Sep 1, 2002
Expiration Date
Aug 31, 2004
Type
Professional Engineer
Address
Address
13397 W 67Th Dr, Arvada, CO 80004

Professional information

John Hansen Photo 1

Reservoir Adapter For Liquid Dispenser

US Patent:
3952919, Apr 27, 1976
Filed:
Jul 3, 1975
Appl. No.:
5/593128
Inventors:
John Erik Hansen - Arvada CO
Joseph M. Magrath - McCook NB
Leonard L. Hierath - Denver CO
International Classification:
B67B 726
US Classification:
222 89
Abstract:
An adapter for attaching and sealing a liquid supply reservoir on a liquid dispenser of the metering type comprises a reservoir receiving body and a detachable element for securing the body to a dispenser with a seal piercing needle in position to receive the contents of the reservoir. A pivoted clamp is provided for clamping the reservoir on the body when the seal has been pierced and holds the reservoir securely to the body during use of the dispenser. A nut secures the detachable element on the dispenser, a spring bias being provided to afford adjustment of the element with respect to the nut. A check valve is provided to prevent return of liquid to the reservoir and facilitates the use of collapsible supply reservoirs.