Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...
Patent
1981-05-14
1983-07-26
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
215 1C, 215100A, 264537, B29C 1707
Patent
active
043953786
ABSTRACT:
An injection stretch blow molded container is disclosed having an integral tab for hanging the container with the finish end down so as to facilitate removal of the contents of the container. A method of making the container is disclosed which includes the use of an injection molded parison having an integral tab of the size and dimensions desired for the container tab. The parison is then situated in a blowing mold having a pocket for receiving the integral appendage. The parison is stretched until the appendage is received in the pocket in the mold wall and then blown to form the container having a wall conforming to the interior of the blowing mold. A surface of the integral appendage performs the function of the mold wall with respect to a portion of the container.
REFERENCES:
patent: 3955697 (1976-05-01), Valyi
patent: 4280859 (1981-07-01), Thompson
patent: 4287150 (1981-09-01), Gendron
patent: 4298567 (1981-11-01), Aoki
Alberghini Alfred C.
Nickel Gerhard E. B.
Sewell Plastics Inc.
Silbaugh Jan H.
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