Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1993-11-05
1995-04-25
Nold, Charles R.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 3692, 428 99, 428100, 428192, 4285428, 215 1C, B32B 100
Patent
active
054097495
ABSTRACT:
The present invention provides a preform used to mold a container with hanger. This preform has a cylindrical bottomed barrel portion, a flat plate-like hanger having a central opening formed therethrough and a connection formed on the bottom wall or the barrel portion substantially at the center thereof, the connection connecting between the hanger and the bottom of the barrel. When this preform is injection molded, a molten plastic material is charged into the mold cavity through a gate communicating with the end of the hanger. The molten plastic material is divided into two branch streams at the hanger molding cavity region. These two streams are re-combined at the connection. The connection is of substantially circular cross-section and functions as a gate For permitting the molten plastic material to flow into the barrel molding cavity region.
REFERENCES:
patent: 4280859 (1981-07-01), Thompson
patent: 4395378 (1983-07-01), Alberghini et al.
patent: 4439390 (1984-03-01), Abramov et al.
Nakajima Tokuyoshi
Uehara Shin-ichi
Nissei ASB Machine Co. Ltd.
Nold Charles R.
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