Laboratory glassware equipment

Details Laboratory glassware equipment Laboratory glassware equipment

1987-01-22

1989-02-07

Castel, Benoit

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 99, 422103, 422104, 285235, 285423, 285921, 222570, B01L 300, B01L 906

Patent

active

048030538

ABSTRACT:
A unique laboratory glassware system is provided which includes glass functional members and an elastomeric coupling member for joining two of the functional members in axial alignment. Each of the functional members has a conduit portion terminating in a male sealing portion. The male sealing portion comprises an annular flange with a front conical surface and a rear locking shoulder. The coupling member includes a central opening having a gasket portion separating two axially aligned bores that include a female sealing portion corresponding in profile to the male sealing portion. The conduit portion of the functional members form a positive engagement with the female sealing portion of the coupling member such that the joined functional members snap into position and are locked against internal pressure that could pull them apart. The glassware system presents advantages at standard sizes, but is particularly well suited for microscale glassware where the functional members having a conduit portion with an outer diameter of 15 millimeters or less.

REFERENCES:
patent: 2052046 (1936-08-01), Lambie
patent: 2812958 (1957-11-01), Rogers
patent: 3563574 (1971-02-01), Jackson et al.
patent: 3633947 (1972-01-01), Nelson
patent: 3945617 (1976-03-01), Callery
patent: 4275907 (1981-06-01), Hunt
patent: 4395382 (1983-07-01), Miskinis
patent: 4603886 (1986-08-01), Pallini, Jr. et al.
patent: 4611829 (1986-09-01), Hughes

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