JPS5280505A - Port selector of concrete pump - Google Patents

Port selector of concrete pump

Info

Publication number
JPS5280505A
JPS5280505A JP15807575A JP15807575A JPS5280505A JP S5280505 A JPS5280505 A JP S5280505A JP 15807575 A JP15807575 A JP 15807575A JP 15807575 A JP15807575 A JP 15807575A JP S5280505 A JPS5280505 A JP S5280505A
Authority
JP
Japan
Prior art keywords
concrete pump
port selector
sealing part
hardened
hopper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15807575A
Other languages
Japanese (ja)
Inventor
Eiji Taniguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyokuto Kaihatsu Kogyo Co Ltd
Original Assignee
Kyokuto Kaihatsu Kogyo Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyokuto Kaihatsu Kogyo Co Ltd filed Critical Kyokuto Kaihatsu Kogyo Co Ltd
Priority to JP15807575A priority Critical patent/JPS5280505A/en
Publication of JPS5280505A publication Critical patent/JPS5280505A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate a sealing part of each wall face of suction and delivery chamber and to prevent a damage and leakage of the sealing part, by only shifting a position of slider metal to up and down side to continuously push delivering concrete not hardened coming from hopper.
COPYRIGHT: (C)1977,JPO&Japio
JP15807575A 1975-12-26 1975-12-26 Port selector of concrete pump Pending JPS5280505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15807575A JPS5280505A (en) 1975-12-26 1975-12-26 Port selector of concrete pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15807575A JPS5280505A (en) 1975-12-26 1975-12-26 Port selector of concrete pump

Publications (1)

Publication Number Publication Date
JPS5280505A true JPS5280505A (en) 1977-07-06

Family

ID=15663739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15807575A Pending JPS5280505A (en) 1975-12-26 1975-12-26 Port selector of concrete pump

Country Status (1)

Country Link
JP (1) JPS5280505A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998781A (en) * 1960-11-28 1961-09-05 Giant Ind Pump for plastic concrete

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998781A (en) * 1960-11-28 1961-09-05 Giant Ind Pump for plastic concrete

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