Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article
Patent
1998-03-16
2000-07-18
Bareford, Katherine A.
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Producing multilayer work or article
264514, 26417316, 26417716, 4251311, 4251331, 425532, B29C 4904
Patent
active
060903384
ABSTRACT:
A method and devices for coating a carrier part make it possible to coat the carrier part formed of a less expensive material with a higher-quality and thus more-expensive material in only a defined region. As a result, novel properties attainable by the coating, such as improving hardness or resistance or varying color or appearance, finally exist only in the region where it is actually needed. Therefore, the coating material is fed in through one or more associated feeding devices, below a distributor head, in a preliminary tube that is already provided with the carrier material, in one or more angular regions relative to the horizontal axis of the preliminary tube. At least one distributor element that has adjustable segments is disposed below the rotatably disposed distributor head. The segments are provided with profiled sections for providing different wall thicknesses.
REFERENCES:
patent: 3257482 (1966-06-01), Schechter
patent: 4297092 (1981-10-01), Goron
patent: 5156796 (1992-10-01), Nakagawa et al.
Vermehr Jochen
Wrobbel Werner
Bareford Katherine A.
Greenberg Laurence A.
Lerner Herbert L.
Moeller Plast GmbH
Stemer Werner H.
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