Method of making a cooling device

Details Method of making a cooling device Method of making a cooling device

1988-12-05

1990-12-11

Lowe, James

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

249 91, 249 97, 264310, 425116, 425435, 29726, 29DIG6, B29C 3910, B29L 3118

Patent

active

049769103

ABSTRACT:
A cooling device of the kind used in transportation vehicles, designed to maintain the transportation space of such vehicles cool over prolonged periods, includes an elongate housing of generally rectangular cross-section, having side walls and first and second end walls. The cooling device further includes a cooling pipe of elongate "U"-shape, having a curved portion and parallel arms. The ends of the cooling pipe are secured within one end wall, and the central portion of the pipe is supported in relation to the opposed wall by a supporting means. The cooling device is produced by locating the cooling pipe in a rotational moulding mould, whereby the various unions attached to the pipe are secured integrally with the end wall of the housing, while, in one embodiment, the mounting device is moulded into the opposed wall, in a second embodiment a threaded aperture is provided enabling the mounting device to be screwed into the opposed wall, and in a third embodiment integral pillars are provided to support the cooling pipe.

REFERENCES:
patent: 2433546 (1947-12-01), Cornelius
patent: 3435893 (1969-04-01), Withers
patent: 3610457 (1971-10-01), Opalewski
patent: 3799831 (1974-03-01), Griffiths
patent: 4001110 (1977-01-01), Geen et al.
patent: 4023257 (1977-05-01), Wright et al.
patent: 4143193 (1979-03-01), Rees
patent: 4167382 (1979-09-01), Freedman et al.
patent: 4422305 (1983-12-01), Grosskopf
patent: 4459812 (1984-07-01), Norton

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