| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform accurate mold making. <P>SOLUTION: A mold making jig 1 for performing mold making by pressing a mold making agent to a mold making surface 100b with a reduction in thickness and a flaw occurring on an inner surface 100a of a hole 100 includes: a base part 2 inserted into the hole 100 and formed longer than a depth reaching from an opening 100c of the hole 100 to the mold making surface 100b; a bottom plate part 3 provided at an insertion end of the base part 2 to include at least a portion of the hole 100, including the inner surface 100a of the hole 100 to be directly under the mold making surface 100b while inserted into the hole 100; a holding part 4 provided in the base part 2 to hold the base part 2 so as to stay in the hole 100 by being pressed into contact with a plurality of places of the inner surface 100a of the hole 100 by the elastic force of its own while inserted into the hole 100; and a covering part 5 provided in the base part 2 to form a mold making agent filling chamber S arranged oppositely from the mold making surface 100b with a spacing while inserted into the hole 100 and continuously reaching from the bottom plate part 3 to the opening part 100c of the hole 100. <P>COPYRIGHT: (C)2013,JPO&INPIT |
