FIELD: manufacture of plastic products. SUBSTANCE: mold has two halves with forming cavities, nipple inlet opening and auxiliary excessive material receiving annular cavity disposed between forming cavity and nipple inlet opening and communicated with forming surfaces through channel extending along axis of halves joint. Such embodiment allows high-quality products with bottom and bottomless products with uniform thickness of walls to be manufactured. EFFECT: increased efficiency and wider range of products. 1 dwg
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|---|---|---|---|
| EXTRUDING-BLOWING UNIT | 1996 |
|
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