INTEGRAL PULP-MOLDED BOTTLE, MOLD FOR MOLDING INTEGRAL PULP-MOLDED BOTTLE, APPARATUS AND PROCESS FOR PRODUCING INTEGRAL PULP-MOLDED BOTTLE
A mold for molding an integral pulp-molded bottle shell includes a pulp suction system, an extrusion system, and a hot-press molding system. Also provided is a process for producing the pulp-molded bottle shell by means of the mold, which includes: forming a wet bottle preform (7) in a pulp suction...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A mold for molding an integral pulp-molded bottle shell includes a pulp suction system, an extrusion system, and a hot-press molding system. Also provided is a process for producing the pulp-molded bottle shell by means of the mold, which includes: forming a wet bottle preform (7) in a pulp suction cavity (6) through the pulp suction system; then controlling the moisture content and thickness of the wet bottle preform (7) by extrusion of an elastomer bag (10) of the extrusion system; and afterwards, injecting a pressurized fluid through an elastomer bag (14) in the hot-press molding system, and performing hot-press drying in conjunction with a lower hot-press mold (13) to produce the integral pulp-molded bottle shell. Also provided are an apparatus and process for producing a pulp-molded bottle having a plastic liner. The apparatus includes an area (51), including a mold, for molding a pulp-molded bottle shell, an area (52) for cutting the pulp-molded bottle shell, an area (53) for storing a plastic bottle preform, and an area (54) for performing loading of a liner. In use, a plastic bottle preform (12) premolded in the area (53) for storing the plastic bottle preform is attached to the pulp-molded bottle shell (1) through a blow molding process. Compared with the existing plastic bottle, a pulp-molded bottle having a plastic liner greatly reduces the use of plastics. |
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