System for manufacturing integrated sockets in biaxially...

Details System for manufacturing integrated sockets in biaxially... System for manufacturing integrated sockets in biaxially...

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.

REFERENCES:
patent: 3160130 (1964-12-01), Pesak
patent: 3929958 (1975-12-01), Parmann
patent: 3942935 (1976-03-01), Heisler
patent: 4340344 (1982-07-01), Aston et al.
patent: 0700771 (1999-04-01), None
patent: 0930148 (2001-09-01), None
patent: 2132365 (1996-03-01), None
patent: WO 90/15949 (1990-12-01), None
patent: WO 98/56567 (1997-06-01), None
patent: WO 02/00926 (2002-01-01), None

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