Receptacles – Closures – Removable closure guided in rotary movement
Patent
1979-04-16
1980-11-04
Hall, George T.
Receptacles
Closures
Removable closure guided in rotary movement
222568, 285201, 219121LD, 220 85SP, B65D 4104
Patent
active
042314887
ABSTRACT:
Container closure spout construction, e.g. for incorporation in a metal drum container, including a container wall portion having a spout aperture, and a closure spout member having a peripheral substantially transversely extending flange portion and, preferably integral therewith, an intermediate substantially axially extending tubular, e.g. internally threaded central hollow cylindrical, portion defining a closure spout opening within the flange portion and adapted to receive removably a cooperating closure element such as a plug or cap thereat, in which the spout member is disposed at the spout aperture in engagement with the adjacent marginal portion of the container wall portion thereat, and a high energy concentration beam, e.g. laser beam, produced weld seam, preferably continuously, interconnects the spout member with the container wall portion along such adjacent marginal portion;
REFERENCES:
patent: 1190802 (1916-07-01), Rosenfeld
patent: 1205666 (1916-11-01), Rosenfeld
patent: 1933772 (1933-11-01), Stresau
patent: 3026130 (1962-03-01), Morrell
Ward William H.
Ward, Jr. William H.
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