CPC B29C 45/2735 (2013.01) [B29C 45/2725 (2013.01); B29C 45/2738 (2013.01); B29C 2045/2761 (2013.01); B29C 2045/2798 (2013.01)] | 17 Claims |
1. A side-gate nozzle comprising:
a nozzle body having a heater, a nozzle channel extending longitudinally into the nozzle body, and a bore in the nozzle body extending from an exterior side wall of the nozzle body to the nozzle channel, the bore includes a first lateral portion, a second lateral portion, and a step between the first lateral portion and the second lateral portion, the first lateral portion located closer to the nozzle channel than the second lateral portion;
a nozzle tip having a tip member, a tip channel extending through the tip member, and a sealing member in which the tip member is received; and
a transfer member comprising:
a bearing surface against which an abutment surface of the nozzle tip is slidably abutted;
a transfer channel extending therethrough in fluid communication between the nozzle channel and the tip channel;
a biasing portion having the bearing surface against which the abutment surface of the nozzle tip is seated, the biasing portion received within the second lateral portion;
an extension portion projecting from the biasing portion, the extension portion received within the first lateral portion; and
a shoulder between the biasing portion and the extension portion, the shoulder seats against the step,
wherein, in operation, thermal expansion of the transfer member along its length applies a sealing force against the abutment surface of the nozzle tip.
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