Method of and an apparatus for filling membrane cassettes

Details Method of and an apparatus for filling membrane cassettes Method of and an apparatus for filling membrane cassettes

1974-09-03

1976-08-10

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29405, 141 8, 141 67, 141114, 156145, 53 37, B23P 1500, B23P 1900

Patent

active

039733106

ABSTRACT:
For filling and adjusting double-membrane cassettes acting as link members in piston metering pumps, the sealing surfaces of the membranes are first coated with a resilient pressure-deformable cement. The membrane cassette is introduced still unclosed into a thermostat where an adjustable, uniform pressure is applied to the upper membrane. The membrane cassette is then filled under an excess pressure of from 0.2 to 1 atm. and closed. After closing, the membranes of the cassette are brought into plane-parallel alignment in an evacuation unit.

REFERENCES:
patent: 2219578 (1940-10-01), Pittenger
patent: 2329839 (1943-09-01), Kalowski
patent: 2378920 (1945-06-01), Gillican
patent: 2902936 (1959-09-01), Bradley
patent: 3036526 (1962-05-01), Hise
patent: 3302269 (1967-02-01), Cooper et al.
patent: 3619310 (1971-11-01), Clarke
patent: 3750721 (1973-08-01), Hudson

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