Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Including both heating and cooling means
Reexamination Certificate
2011-06-14
2011-06-14
Crispino, Richard (Department: 1747)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Including both heating and cooling means
C425S393000, C425S400000, C425SDIG021
Reexamination Certificate
active
07959429
ABSTRACT:
An example system is described for the integrated manufacturing of sockets in oriented pipes, with the possibility of regulating and distributing at will the thicknesses of the socket and making it possible to reinforce the traditionally weaker zones, without increasing the manufacturing process time. The system includes a support body, a slide block sliding axially on the inside of the body with a conical inner end, a heater, and a slide rod for pushing the corresponding blank. The slide rod has an axial and central orifice for the introduction of expansion and cooling fluid, whilst the slide block has orifices for the intake of a lubricating fluid.
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Crispino Richard
K&L Gates LLP
Molecor Tecnologia, S.L.
Nguyen Thu Khanh T
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