Three dimensional printing material system and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C04B-028/10
C04B-028/00
출원번호
US-0255139
(2002-09-25)
발명자
/ 주소
Bredt,James F.
Clark,Sarah
Gilchrist,Grieta
출원인 / 주소
Z Corporation
대리인 / 주소
Goodwin Procter LLP
인용정보
피인용 횟수 :
69인용 특허 :
77
초록▼
The present invention is directed to a three-dimensional printing system and method, and an article made therefrom. The method of the present invention includes building cross-sectional portions of a three dimensional article, and assembling the individual cross-sectional areas in a layer-wise fashi
The present invention is directed to a three-dimensional printing system and method, and an article made therefrom. The method of the present invention includes building cross-sectional portions of a three dimensional article, and assembling the individual cross-sectional areas in a layer-wise fashion to form a final article. The individual cross-sectional areas are built using an ink-jet printhead to deliver an aqueous fluid to a particle material that includes a first particulate material, a second particulate material, and a third particulate material, wherein the first and second particulate materials react in the presence of the fluid in a period of time, and the third particulate material reacts in the presence of the fluid to form a solid in a longer period of time.
대표청구항▼
The invention claimed is: 1. A solid article comprising: a product of a mixture of a plurality of particles of: a first particulate material comprising monocalcium phosphate, anhydrous; a second particulate material comprising magnesium oxide; and a third particulate material comprising polyvinyl a
The invention claimed is: 1. A solid article comprising: a product of a mixture of a plurality of particles of: a first particulate material comprising monocalcium phosphate, anhydrous; a second particulate material comprising magnesium oxide; and a third particulate material comprising polyvinyl alcohol, wherein the first particulate material and the second particulate material can react to form a solid in a period of time, and the third particulate material can solidify in a longer period of time when the mixture is contacted by a fluid during three-dimensional printing, the article having been formed by three-dimensional printing and comprising a plurality of layers of the mixture. 2. The article of claim 1, wherein the first particulate material and the second particulate material react in the presence of the fluid. 3. The article of claim 2, wherein at least one of the first particulate material and the second particulate material is substantially soluble in the fluid. 4. The article of claim 2, wherein the fluid is aqueous. 5. The article of claim 1, wherein the mixture of plurality of particles further comprises a filler. 6. The article of claim 5, wherein the filler is selected from the group consisting of: limestone, staurolite, silica sand, zircon sand, olivine sand, chromite sand, magnesite, alumina silicate, calcium silicate, fused silica, calcium phosphate, rutile, bentonite, montmorillonite, glass, chamotte, fireclay, and mixtures thereof. 7. A compound used in three-dimensional printing, comprising: a dry particulate mixture of: a first dry particulate material comprising monocalcium phosphate, anhydrous; a second dry particulate material comprising magnesium oxide; and a third dry particulate material comprising polyvinyl alcohol, wherein the dry particulate mixture can be used in three-dimensional printing to form an article comprised of a plurality of layers, the first particulate material and the second particulate material can react to form a solid in a period of time, and the third particulate material can solidify in a longer period of time when the mixture is contacted by a fluid during three-dimensional printing. 8. The compound of claim 7, wherein the first particulate material and the second particulate material react in the presence of the fluid. 9. The compound of claim 8, wherein at least one of the first particulate material and the second particulate material is substantially soluble in the fluid. 10. The compound of claim 7, wherein the mixture of plurality of particles further comprises a filler. 11. The compound of claim 10, wherein the filler is selected from the group consisting of: limestone, staurolite, silica sand, zircon sand, olivine sand, chromite sand, magnesite, alumina silicate, calcium silicate, fused silica, calcium phosphate, rutile, bentonite, montmorillonite, glass, chamotte, fireclay, and mixtures thereof. 12. The compound of claim 8, wherein the fluid is aqueous. 13. A dry particulate mixture of solids used for three-dimensional printing that, when contacted by a fluid during three-dimensional printing to form an article comprised of a plurality of layers, undergoes a first solidification reaction beginning with the fluid contact and occurring at a first rate, and also undergoes a second solidification reaction beginning with the fluid contact and occurring at a second rate slower than the first rate, wherein the dry particulate mixture comprises: a first dry particulate material comprising monocalcium phosphate, anhydrous; a second dry particulate material comprising magnesium oxide; and a third dry particulate material comprising polyvinyl alcohol.
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