Rotational moulding machine

Details Rotational moulding machine Rotational moulding machine

2007-12-11

2007-12-11

Heitbrink, Tim (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With factory structure feature

C425S182000, C425S384000, C425S402000, C425S435000

Reexamination Certificate

active

10541023

ABSTRACT:
A rotational moulding machine includes three mould manipulator arrangements and a rotatable carrousel on which the manipulators are mounted for indexed rotation between heating, cooling and mould loading stations. Each manipulator includes a rectangular frame, stub axles on the frame which are rotatable in supports on the carousel on a first axis, mould locating element in the frame which is rotatable on a second axis normal to the first and devices for manipulating a mould in the frame on both axes. The machine includes a crane beam over the carrousel which overlies the heating and cooling station positions on the carrousel, a heating chamber, a wall enclosure, and a crane for lowering the heating chamber and wall enclosure over manipulators on the carrousel at the heating and cooling stations and for lifting them clear of the manipulators to enable them to be indexed to the next station.

REFERENCES:
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patent: 3914104 (1975-10-01), Dean et al.
patent: 4050875 (1977-09-01), Katzman et al.
patent: 4292015 (1981-09-01), Hritz
patent: 4583932 (1986-04-01), Meuret
patent: 4690626 (1987-09-01), Krzepinski
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patent: 5620715 (1997-04-01), Hart et al.
patent: 729 003 (1969-08-01), None
patent: WO 96/38281 (1996-12-01), None

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