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公开(公告)号：US3609316A
公开(公告)日：1971-09-28
申请号：US3609316D
申请日：1967-05-23
Applicant: PEDERSHAAB MASKINFABRIK AS
Inventor： BROSSET NOEL M H , WINTHER JOHAN
CPC classification number: G06G7/75 , B28C7/0418 , G05D11/133 , G05D11/134 , G06G3/00
Abstract: The present disclosure is directed to a method of using an analogue computing device for proportioning a plurality of components of a batch mixture in obtaining a composition exhibiting desired physical properties.
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公开(公告)号：US3852018A
公开(公告)日：1974-12-03
申请号：US32833173
申请日：1973-01-31
Applicant: PEDERSHAAB MASKINFABRIK AS
Inventor： KARLSEN B
Abstract: A ring for stabilizing the upper end of concrete pipes during their hardening, comprising an inner and an outer ring part, one of which presents a shaping face for the pipe while the other one is provided with an inflatable annulus serving, when inflated, to press the pipe material, while still plastic, firmly against said shaping face.
Abstract translation: 一种用于在其硬化期间稳定混凝土管的上端的环，包括内环和外环部分，其中一个内管和外环部分呈现用于管道的成形面，而另一个具有充气环，当膨胀时， 管材同时仍然是塑料，牢固地抵靠所述成形面。
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公开(公告)号：US3813203A
公开(公告)日：1974-05-28
申请号：US25654072
申请日：1972-05-24
Applicant: PEDERSHAAB MASKINFABRIK AS
Inventor： FISKER J , SONDERGAARD P
CPC classification number: B28B21/76
Abstract: A spigot-end shaper has an inner ring and a concentric outer ring that is slotted and is radially expandable. In molding, the inner ring shapes the end face of the spigot and the outer ring shapes the spigot''s outer wall, being clamped around the inner ring. In a mold-removing position, the outer ring is freely axially displacable away from the spigot end.
Abstract translation: 插口端整形器具有内圈和同心外圈，其开槽并且是可径向扩张的。 在成形时，内圈形成插口的端面，并且外环形成套管的外壁，被夹紧在内圈周围。 在脱模位置中，外环可自由地轴向移动以远离插口端。
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4.发明授权Apparatus for moulding concrete pipes having a circumferential recess in the outer spigot end surface 失效用于模制在外部插口端表面具有圆周凹陷的混凝土管的装置
公开(公告)号：US3341910A
公开(公告)日：1967-09-19
申请号：US40811364
申请日：1964-11-02
Applicant: PEDERSHAAB MASKINFABRIK AS
Inventor： JENS HESSELHOLT
IPC: B28B21/76
CPC classification number: B28B21/76 , Y10S425/218
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