3D Printer
First Claim
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1. A method for forming an object having a three-dimensional target shape, comprising:
- a) providing a build powder, a support powder, a binder and a container and wherein said build powder is bindable by said binder and said support powder is substantially not bindable by said binder;
b) dispensing said build powder and said support powder into said container in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, supported directly by support powder;
c) applying the binder to the build powder, thereby forming said object, made of build powder and binder; and
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d) separating said object from said support powder.
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Abstract
A method for forming an object having a three-dimensional target shape, that makes use of a build powder, a support powder and a binder. The build powder is more strongly bound by the binder than is the support powder. The build powder and the support powder are dispensed in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, and the binder is applied to the deposited build powder, thereby forming the object of build powder and binder. Finally, the formed object is separated from the support powder.
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20 Claims
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1. A method for forming an object having a three-dimensional target shape, comprising:
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a) providing a build powder, a support powder, a binder and a container and wherein said build powder is bindable by said binder and said support powder is substantially not bindable by said binder; b) dispensing said build powder and said support powder into said container in a sequence of layers of build powder patterned with support powder that collectively form the three-dimensional shape in build powder, supported directly by support powder; c) applying the binder to the build powder, thereby forming said object, made of build powder and binder; and
;d) separating said object from said support powder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification