专利名称：METHODS AND APPARATUS FOR PRODUCING SAND MOLDS
发明人：BUHLER E,DT
申请号：US32777373
申请日：19730129
公开号：US3807483A
公开日：
饥荒怎么钓鱼
莲子百合汤19740430
描写海的句子
蝴怎么读
专利内容由知识产权出版社提供
摘要：The provision of sand casting molds by means of at least one mold frame, at least one pattern plate, at least one press die movable vertically relative to the pattern plate, a mold-sand chamber located opposite the press die, a pneumatic mold-sand filler device which by means of a superficial pressure gas load on a mold-sand volume located in the mold-sand chamber moves at least a part of the mold-sand volume into the mold frame area through openings in the press die, said mold-sand volume beng automatically pre-compacted in said mold frame area by the kinetic force of such movement, and by moving the press die towards the pattern plate there is a re-compacting of the sand, and the relead finished mold is moved by a conveying means to a casting pit and a knock-out point.可爱花朵连连看
申请人：BUHLER E,DT
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