Dispensing – Snap-acting outlet element – Axially movable tube – sleeve – or apertured cap
Patent
1975-12-11
1978-08-29
Gilden, Leon
Dispensing
Snap-acting outlet element
Axially movable tube, sleeve, or apertured cap
222288, 285221, B21D 5100
Patent
active
041096002
ABSTRACT:
Process for applying a threaded seat for connecting a closing means or operations means to a metal plate, such as the wall of a drum, by making a hole in the plate and by drawing a cylindrical collar from the periphery around said hole approximately at a right angle to the plane of the plate, whereafter a thread is made in the part drawn from the plane of the plate, wherein a thread is provided in the collar between the plane of the plate and the end edge of the collar.
REFERENCES:
patent: 1591184 (1926-07-01), Reynolds
patent: 1793296 (1931-02-01), Wilson
patent: 2254924 (1941-09-01), Williams
patent: 2332175 (1943-10-01), Sinclair
patent: 2447536 (1948-08-01), Robinson
patent: 2960954 (1960-11-01), Dearing et al.
patent: 3076670 (1963-02-01), Meyer
patent: 3124267 (1964-03-01), Celtone
patent: 3412593 (1968-11-01), Price
patent: 3466661 (1969-09-01), Phillips
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