Tool sleeve for mold die
First Claim
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1. A device comprising:
- a die for use in continuous compression molding a part;
a plurality of sleeves disposable between the die and a charge to be molded into the part, each of the plurality of sleeves having a respective shape related to a shape of the part to be formed using the plurality of sleeves, each of the plurality of sleeves having a first corresponding shape different than every other sleeve of the plurality of sleeves, each of the plurality of sleeves having a corresponding inner face having a second corresponding shape that substantially matches a cross sectional shape of the die, wherein the plurality of sleeves are removable from the die during a compression molding operation to form the part and installable onto the die to fully cover a face of the die during the compression molding operation.
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Abstract
A device changes the shape of a die used to compression mold a part. The device includes a sleeve placed between the die and a charge to be molded. The sleeve has an inner face generally conforming to a face of the die, and a outer face for molding a part.
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Citations
17 Claims
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1. A device comprising:
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a die for use in continuous compression molding a part; a plurality of sleeves disposable between the die and a charge to be molded into the part, each of the plurality of sleeves having a respective shape related to a shape of the part to be formed using the plurality of sleeves, each of the plurality of sleeves having a first corresponding shape different than every other sleeve of the plurality of sleeves, each of the plurality of sleeves having a corresponding inner face having a second corresponding shape that substantially matches a cross sectional shape of the die, wherein the plurality of sleeves are removable from the die during a compression molding operation to form the part and installable onto the die to fully cover a face of the die during the compression molding operation. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A device for changing a shape of a part that may be molded by a compression molding die having a fixed shape, comprising:
a plurality of sleeves disposable between the compression molding die and a charge to be molded into the part, each of the plurality of sleeves having a respective shape related to a shape of the part to be formed using the plurality of sleeves, each of the plurality of sleeves having a first corresponding shape different than every other sleeve of the plurality of sleeves, each of the plurality of sleeves having a corresponding inner face having a second corresponding shape that substantially matches a cross sectional shape of the compression molding die, wherein the plurality of sleeves are removable from the compression molding die during a compression molding operation to form the part and installable onto the compression molding die to fully cover a face of the die during the compression molding operation. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A device for compression molding a family of parts using a same mold die, comprising:
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a plurality of tool sleeves, each of which tool sleeves may be placed between the mold die and a charge to be molded, each of the plurality of tool sleeves having a respective shape related to a shape of the part to be formed using the plurality of tool sleeves, each of the plurality of tool sleeves having a first corresponding shape different than every other tool sleeve of the plurality of tool sleeves, wherein the plurality of tool sleeves are removable from the die during compression molding operation to form the part and installable onto the die to fully cover a face of the die during the compression molding operation the plurality of tool sleeves each including a corresponding inner face substantially conforming to a shape of the mold die and covering sides of the mold die, and a corresponding outer face for molding one of the parts in the family of parts, each of the plurality of tool sleeves filling a space between the charge being molded and the mold die, and having a feature unique to one of the parts, wherein the feature is one of a thickness, a corner radius, a ramp, a step and a contour. - View Dependent Claims (16, 17)
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Specification