JPH0333834Y2 - - Google Patents

Info

Publication number
JPH0333834Y2
JPH0333834Y2 JP1985023730U JP2373085U JPH0333834Y2 JP H0333834 Y2 JPH0333834 Y2 JP H0333834Y2 JP 1985023730 U JP1985023730 U JP 1985023730U JP 2373085 U JP2373085 U JP 2373085U JP H0333834 Y2 JPH0333834 Y2 JP H0333834Y2
Authority
JP
Japan
Prior art keywords
opening
screws
trough
earth
sand
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.)
Expired
Application number
JP1985023730U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61141400U (en]
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 filed Critical
Priority to JP1985023730U priority Critical patent/JPH0333834Y2/ja
Publication of JPS61141400U publication Critical patent/JPS61141400U/ja
Application granted granted Critical
Publication of JPH0333834Y2 publication Critical patent/JPH0333834Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Screw Conveyors (AREA)
JP1985023730U 1985-02-21 1985-02-21 Expired JPH0333834Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985023730U JPH0333834Y2 (en]) 1985-02-21 1985-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985023730U JPH0333834Y2 (en]) 1985-02-21 1985-02-21

Publications (2)

Publication Number Publication Date
JPS61141400U JPS61141400U (en]) 1986-09-01
JPH0333834Y2 true JPH0333834Y2 (en]) 1991-07-17

Family

ID=30517227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985023730U Expired JPH0333834Y2 (en]) 1985-02-21 1985-02-21

Country Status (1)

Country Link
JP (1) JPH0333834Y2 (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131443U (en]) * 1974-08-30 1976-03-08
JPS5342988Y2 (en]) * 1975-01-07 1978-10-17

Also Published As

Publication number Publication date
JPS61141400U (en]) 1986-09-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees