Method and plant for the production of a casing for a...

Details Method and plant for the production of a casing for a... Method and plant for the production of a casing for a...

2008-06-11

2011-12-06

Heitbrink, Jill (Department: 1743)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S279100, C425S129100, C425S544000

Reexamination Certificate

active

08071005

ABSTRACT:
A casing of a solid-propellant engine comprising a core and a layer of elastomeric material, set as coating for at least part of the core to provide a thermal protection of the core itself is obtained by: inserting the core in a forming mould so as to make within the mould two annular chambers separated from one another by the core; forming a strand of elastomeric material; obtaining a defined portion of elastomeric material by cutting the strand transversely to size in an external environment; and injecting the cut portion of elastomeric material simultaneously within both of the annular chambers.

REFERENCES:
patent: 3453691 (1969-07-01), Groves
patent: 7537719 (2009-05-01), Sueoka et al.
patent: 2003/0168761 (2003-09-01), Hirose et al.
patent: 2005/0046077 (2005-03-01), Sueoka et al.

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