Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Shape conforming sleeve or deformable pressure wrap means
Patent
1992-02-06
1993-11-09
Bushey, Scott
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Shape conforming sleeve or deformable pressure wrap means
425190, 4253761, 425461, B29C 4702
Patent
active
052597466
ABSTRACT:
An extrusion head (1) defined by a number of superimposed plates (7,8,9,10) and by a casing (55) housing the plates (7,8,9,10) and defining two shoulder surfaces (68,69) forming an angle and perpendicular to the plates (7,8,9.10); the plates (7,8,9,10), when packed together, defining an intermediate guide duct (35) for guiding reinforcing wires and two supply ducts (11,23) for supplying extruded elastomeric material located on opposite sides of the intermediate duct (35), and providing for locking together a wire guiding device (36) and a die (37) presenting respective flat shoulders (42,43;50,51) parallel to a first (68) of the shoulder surfaces (68,69) and pressed by the plates (7,8,9,10) into contact with one another and with the first shoulder surface (68), with the die (37) located between the first shoulder surface (68) and the wire guiding device (36).
REFERENCES:
patent: 3737262 (1983-06-01), Klein
patent: 4150929 (1979-04-01), Brandt
patent: 4274821 (1981-06-01), Kiemer
patent: 4295812 (1981-10-01), Hoddinott
patent: 4300878 (1981-11-01), Ible
patent: 4497762 (1985-02-01), Meister
Bridgestone/Firestone Inc.
Bushey Scott
Thomas David A.
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