发明名称 Sanitary closet
摘要 The present invention relates to a sanitary closet of the kind in which a hose preferably made of plastic is fed downwards by a down-feeding mechanism. Two disc means are arranged for feeding down provided with closing elements arranged to close the hose temporarily by firmly compressing the hose, spaces positioned between said closing elements and arranged to permit the passage of portions of the hose inflated by the contents thereof and yieldable elements positioned in said spaces and adapted to compress the hose around the material therein permitting the material to pass and squeeze out any air entrapped in the hose.
申请公布号 US4025969(A) 申请公布日期 1977.05.31
申请号 US19750614673 申请日期 1975.09.18
申请人 TRAILER FINANS AB 发明人 DAHLEN, GUNNAR JOHN
分类号 A47K11/00;A47K11/02;(IPC1-7):A47K11/02 主分类号 A47K11/00
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