Method for producing a dispensing container for pressurized flui

Details Method for producing a dispensing container for pressurized flui Method for producing a dispensing container for pressurized flui

1984-11-19

1986-10-28

Silbaugh, Jan

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264521, 264534, 264296, 264322, B29C 4980, B29C 4900, B29C 5100

Patent

active

046197974

ABSTRACT:
A molded, thermoplastic container having a pressure dome section in an end wall to permit the container to hold pressurized fluids. An integral dispensing spout may be provided which preferably is collapsible to nest within the container, and having sanitary seal means over the spout. An annular ring structure around the pressure dome section may be provided to permit the container to stand on an end during filling and storage. Method and apparatus are included for forming the pressure dome section in a previously molded thermoplastic end wall, for collapsing a dispensing spout to a nested position within the container, and for pressure testing the container.

REFERENCES:
patent: 3651202 (1972-03-01), Raabe
patent: 3733309 (1973-05-01), Wyeth et al.
patent: 3949033 (1976-04-01), Uhlig
patent: 3949034 (1976-04-01), Uhlig
patent: 4035455 (1977-07-01), Rosenkranz et al.
patent: 4086315 (1978-04-01), Piotrowski

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