Moulding machine and process for forming a mould
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United States of America Patent
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Apr 2, 2019
Grant Date -
Jan 3, 2013
app pub date -
Mar 21, 2011
filing date -
Mar 19, 2010
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Abstract
A molding machine comprises first and second non-complementary molds (20a, 20b). The first mold (20a) defines a female mold cavity (36). The second mold (20b) defines a flat molding surface (30). The first and second molds (20a, 20b) are movable between a first position in which the molds are apart and the female mold cavity (36) and the flat molding surface (30) both face upwards, and a second position in which the molds are brought together and the flat molding surface faces into and closes the female mold cavity to form a completely enclosed cavity. Each mold (20a, 20b) has a plurality of bores (22) formed through it and with an opening (24) at each end. At least two of the bores (22) are connected to each other by a block (38) positioned over the opening at one end of one bore and the opening at the end of another bore. The block (38) is formed with a groove (40) which connects the openings to each other.
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