JPS6319678B2 - - Google Patents

Info

Publication number
JPS6319678B2
JPS6319678B2 JP20223483A JP20223483A JPS6319678B2 JP S6319678 B2 JPS6319678 B2 JP S6319678B2 JP 20223483 A JP20223483 A JP 20223483A JP 20223483 A JP20223483 A JP 20223483A JP S6319678 B2 JPS6319678 B2 JP S6319678B2
Authority
JP
Japan
Prior art keywords
crushing
rock
cylindrical unit
unit molded
polyurethane
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
JP20223483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6095098A (ja
Inventor
Kenji Yagi
Masakuni Matsui
Eiichi Hatsutori
Ryutaro Kamakari
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.)
Kajima Corp
Toyo Tire Corp
Original Assignee
Kajima Corp
Toyo Tire and Rubber 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 Kajima Corp, Toyo Tire and Rubber Co Ltd filed Critical Kajima Corp
Priority to JP20223483A priority Critical patent/JPS6095098A/ja
Publication of JPS6095098A publication Critical patent/JPS6095098A/ja
Publication of JPS6319678B2 publication Critical patent/JPS6319678B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Disintegrating Or Milling (AREA)
JP20223483A 1983-10-27 1983-10-27 岩盤破砕用ポリウレタン構造体 Granted JPS6095098A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20223483A JPS6095098A (ja) 1983-10-27 1983-10-27 岩盤破砕用ポリウレタン構造体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20223483A JPS6095098A (ja) 1983-10-27 1983-10-27 岩盤破砕用ポリウレタン構造体

Publications (2)

Publication Number Publication Date
JPS6095098A JPS6095098A (ja) 1985-05-28
JPS6319678B2 true JPS6319678B2 (https=) 1988-04-23

Family

ID=16454175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20223483A Granted JPS6095098A (ja) 1983-10-27 1983-10-27 岩盤破砕用ポリウレタン構造体

Country Status (1)

Country Link
JP (1) JPS6095098A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216192U (https=) * 1985-07-16 1987-01-30
JPS62159507U (https=) * 1986-03-26 1987-10-09
JP4970791B2 (ja) * 2005-12-27 2012-07-11 高周波熱錬株式会社 破砕方法および破砕具
KR102245453B1 (ko) * 2019-08-19 2021-04-27 송종섭 마찰력이 감소된 분할쐐기가 구비된 바위균열용 헤드

Also Published As

Publication number Publication date
JPS6095098A (ja) 1985-05-28

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