DEVICE AND METHOD FOR HANDLING A QUANTITY OF PLASTIC IN THE MOLTEN STATE
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United States of America Patent
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Issued Date -
May 21, 2009
app pub date -
Apr 24, 2007
filing date -
May 1, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a device for moulding a plastic article in which the article is obtained by the compression of a metered quantity of plastic (3) in the molten state between the two parts of a mould, comprising at least one supply of plastic (1), a rod (11), sliding in a sleeve (8) suitable for temporarily supporting said metered quantity of plastic (3), a mould for the head of the article (6, 7) and a mandrel (18) cooperating with said mould (6, 7), the sleeve (8) having an upper face (16) and a lateral wall (17), the device being characterized in that it includes means for depositing the metered quantity on the sleeve (1, 2), which means are designed so that the amount of plastic (22) lying above a plane (20) coinciding with the upper face (16) of the sleeve (8) is between 20% and 40% of the total mass of the metered quantity (3). The invention also relates to a method using the aforementioned device.
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