RETRACTING EXTRUDER BARREL WITH COOLING FEATURES
First Claim
Patent Images
1. A barrel for use in an additive manufacturing machine comprising:
- a sleeve extending along a longitudinal axis;
a conduit extending along the longitudinal axis through the sleeve, the conduit being movable relative to the sleeve along the longitudinal axis between a first position and a second position; and
a nozzle associated with the conduit, the nozzle being movable with the conduit relative to the sleeve between the first position and the second position.
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Abstract
A barrel for use in an additive manufacturing machine is disclosed. The barrel includes a sleeve extending along a longitudinal axis. A conduit extends along the longitudinal axis through the sleeve. The conduit is movable relative to the sleeve along the longitudinal axis between a first position and a second position. A nozzle is associated with the conduit. The nozzle is movable with the conduit relative to the sleeve between the first position and the second position.
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Citations
20 Claims
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1. A barrel for use in an additive manufacturing machine comprising:
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a sleeve extending along a longitudinal axis; a conduit extending along the longitudinal axis through the sleeve, the conduit being movable relative to the sleeve along the longitudinal axis between a first position and a second position; and a nozzle associated with the conduit, the nozzle being movable with the conduit relative to the sleeve between the first position and the second position. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A barrel for use in an additive manufacturing machine comprising:
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a sleeve extending along a longitudinal axis; a conduit extending along the longitudinal axis through the sleeve; an actuating system associated with the sleeve, the actuating system being configured to move the conduit along the longitudinal axis relative to the sleeve between a first position and a second position; and a nozzle associated with the conduit, the nozzle being movable with the conduit relative to the sleeve between the first position and the second position. - View Dependent Claims (9, 10, 11, 12, 13)
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14. The barrel of claim further comprising a hearing disposed between the conduit and the cooling sleeve.
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15. A method of manufacturing a three dimensional model comprising the steps of:
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providing an additive manufacturing machine having at least two barrels, each of the at least two barrels being movable between a first position and a second position; providing the first barrel of the at least two barrels with a first material; providing the second barrel of the at least two barrels with a second material; moving the first barrel of the at least two barrels from the first position to the second position and advancing the first material; moving the first barrel of the at least two barrels from the second position to the first position and retracting the first material; moving the second barrel of the at least two barrels from the first position to the second position and advancing the second material; and moving the second barrel of the at least two barrels from the second position to the first position and retracting the second material. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification