Evacuated sampling vial

Details Evacuated sampling vial Evacuated sampling vial

1992-01-10

1993-06-22

Warden, Robert J.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65 54, 65110, 65282, 422 61, 422 99, 422100, 422102, 215 32, C03B 2357

Patent

active

052213110

ABSTRACT:
An evacuated vial for collecting a fluid sample and a method for manufacturing the vial comprising a cylindrical glass tube, one end of the tube formed into a frangible tip, a glass bottom closing off the other end of the tube, and a depression formed in the bottom forming an internal breaking tip extending into said tube. The bottom of the tube is sealed in a manner permitting convenient puncture thereof to break the tip when a sample is to be delivered.

REFERENCES:
patent: 1594370 (1926-08-01), Kubota
patent: 1956568 (1934-05-01), Fjord
patent: 1967603 (1934-07-01), Zimber
patent: 3078694 (1963-02-01), Schoenmakers
patent: 3272366 (1966-09-01), Ikeda
patent: 3523017 (1970-08-01), Tatibana
patent: 3688812 (1972-09-01), Fredericks
patent: 3719463 (1973-03-01), Lewis
patent: 3915014 (1975-10-01), Judge et al.
patent: 3951855 (1976-04-01), Principe et al.
patent: 4445390 (1984-05-01), Atwell
patent: 4537747 (1985-08-01), Castaneda

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