Importance

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Abstract

Disclosed is a mould including a female mould having a cavity insert and a male mould having a core insert. The mould further includes a guiding block and a sliding block accommodated in a receiving chamber of core insert; the sliding block is movable along a surface of female mould; a first end of sliding block is connectable to male mould through a resilient member; a first recess is formed on a side of sliding block facing cavity insert; the guiding block is provided in cavity insert and protruded towards male mould; a portion of guiding block can be inserted into recess to compress the resilient member; the sliding block is formed thereon with a moulding surface; and the moulding surface together with moulding surfaces of core insert and cavity insert form a moulding cavity. In addition, a catch groove is provided on the moulding surface of sliding block.

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First Claim