Apparatus for injection-moulding a plastics portion on a...

Details Apparatus for injection-moulding a plastics portion on a... Apparatus for injection-moulding a plastics portion on a...

B - Operations, Transporting

29

C

18/687

B29C 45/14 (2006.01) B31B 3/74 (2006.01)

Patent

CA 1328967

ABSTRACT Described is an apparatus for injection moulding a cover on to a plastics-coated tubular paper case , the apparatus comprising an injection-moulding core and an outer mould embracing same. So that, in the case of a paper tube of quadrangular cross-section, the flat walls of the tube do not suffer deflection and the location at which the cover is injection-moulded on to the tube is reliably controlled, it is provided in accordance with the invention that at least one support portion is mounted on the edge face in outstanding relationship beside the straight upper outer edge of the injection- moulding core against which support portion the edge of the paper tube can be brought to bear.

594229

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