MOLD FOR PLATE MEMBER OF WORK MODEL BASEPLATE AND MOLD FOR BASE OF WORK MODEL BASEPLATE

摘要

PROBLEM TO BE SOLVED: To reduce time to produce work model baseplate and quantity of plaster eliminated as an excess.;SOLUTION: On a back surface 11 corresponding to the back surface of the mold for plate member of the work mold baseplate, projections 3 forming holes to stand dowel pins are provided on the back of the plate member. The first projections 4a to 4c forming supporting channels are also provided on the back of the plate member of the back matching surface 11. On a surface 12 corresponding to the upper surface of the plate member of work model baseplate, the third projections 9 forming ring-pulls on the upper surface of the plate member are provided. The surface 11 and the surface 12 are opposing each other. Plaster is injected into the recession having these back matching surface 11 and the top matching surface 12 as a top surface and the hardened plaster is removed from the mold for plaster member of the work model base after hardening.;COPYRIGHT: (C)2006,JPO&NCIPI