Title:
未固化液回収装置および未固化液回収方法
Document Type and Number:
Japanese Patent JP6869538
Kind Code:
B2
Abstract:
To solve the problem in which: in a structure in which a collection port is opened and closed by a hydraulic cylinder, it is necessary to feed a hydraulic hose or the like at the same time as lowering a collector to a target depth position, and there is a problem that a collection operation is troublesome; also, when the hydraulic hose or the like is assembled in a drilling rod, there is a problem that a special drilling rod is required, resulting in an increase in cost.SOLUTION: An unsolidified liquid recovery device comprises a recovery chamber 3 provided inside a case 2 formed of a hollow cylindrical member, an opening and closing member 5 for opening and closing a collection port 4 of the recovery chamber 3 vertically provided in the case 2, and a switching operation mechanism 10 for opening and closing the collection port 4 by raising or lowering the opening and closing member 5 by a mechanical mechanism provided in the case 2, wherein the switching operation mechanism 10 includes a spring 18 for urging the opening and closing member 5 upward or downward and a sinker 25 for raising or lowering the opening and closing member 5 by descent by its own weight by the wire 27.SELECTED DRAWING: Figure 2
Inventors:
Toshio Tanaka
Kajima Kazuhiro
Kajima Kazuhiro
Application Number:
JP2017136126A
Publication Date:
May 12, 2021
Filing Date:
July 12, 2017
Export Citation:
Assignee:
Sanwa Equipment Co., Ltd.
International Classes:
E02D5/30; E02D1/04
Domestic Patent References:
| JP2012144914A | ||||
| JP5077749U | ||||
| JP58082646U | ||||
| JP2001073360A | ||||
| JP2012041718A |
Foreign References:
| US4376392 |
Attorney, Agent or Firm:
Takefumi Tanaka
Junichiro Shinseki
Chiaki Shinseki
Junichiro Shinseki
Chiaki Shinseki