Molding box comprising pattern frame having internal lining strips |
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| 申请号 | US3773100D | 申请日 | 1972-04-10 | 公开(公告)号 | US3773100A | 公开(公告)日 | 1973-11-20 |
| 申请人 | HOOKER CHEMICAL CORP; | 发明人 | MAWSON D; MALONE B; | ||||
| 摘要 | A mold box for use in the molding of shell or stack molds comprises a pattern frame having internal lining strips that are detachably secured to the inner side walls of the pattern frame to constitute the sides of the molding space in the box. A movable pattern plate constitutes the bottom of the molding box and means are provided for moving the pattern plate into engagement with the lower edge of the lining strips so that the depth of the molding space in the box is determined by the width of the detachable lining strips. | ||||||
| 权利要求 | 1. A molding box for use in the molding of shell molds or stack molds, which comprises a pattern frame having internal lining strips detachable secured to its inner side walls to constitute the sides of the molding space in the box, the upper surfaces of said lining strips lying flush with the upper surface of said pattern frame, a movable pattern plate constituting the bottom of the molding box and means for moving said pattern plate into engagement with the lower edges of the strips, whereby the depth of the molding space in the box is determined by the width of the detachable lining strips. 2. A molding box as claimed in claim 1 in which the lining strips are locked in position in the pattern frame by the pattern plate when the latter is held in its operative position abutting the strips. 3. A molding box as claimed in claim 2 in which the pattern frame is formed with inwardly-directed undercut flanges or grooves, and in which the lining strips are formed with correspondingly devetailed rib or flange portions which cooperate therewith. |
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