JPS63104487U - - Google Patents
Info
- Publication number
- JPS63104487U JPS63104487U JP1986202771U JP20277186U JPS63104487U JP S63104487 U JPS63104487 U JP S63104487U JP 1986202771 U JP1986202771 U JP 1986202771U JP 20277186 U JP20277186 U JP 20277186U JP S63104487 U JPS63104487 U JP S63104487U
- Authority
- JP
- Japan
- Prior art keywords
- block
- shaft hole
- fixing ring
- top surface
- front surface
- 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
Links
- 238000005553 drilling Methods 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
図は、いずれも本考案になる掘削工具を示し、
第1図は一部を破断した側面図であり、第2図は
第1図の正面図を示したものである。
1……ビツト、2……ブロツク、3……ビツト
固定リング、10……シート部、24,26……
プレート、A……掘さく工具、50……ドラム。
The figures show the excavation tool of the present invention.
FIG. 1 is a partially cutaway side view, and FIG. 2 is a front view of FIG. 1. 1... Bit, 2... Block, 3... Bit fixing ring, 10... Seat part, 24, 26...
Plate, A...Drilling tool, 50...Drum.
Claims (1)
定リングを嵌挿したビツトを該軸部の嵌挿を許容
する軸孔と該固定リングの突部が嵌合する固定溝
を形成したブロツクの前記軸孔の上面またはブロ
ツクの正面あるいはブロツクの軸孔の上面と正面
に耐摩耗性を有するプレートを固着させたことを
特徴とする掘さく工具。 At least the tip of the block is formed of a hard material and has a shaft hole that allows the bit with a fixing ring inserted into the shaft, and a fixing groove into which the protrusion of the fixing ring fits. A drilling tool characterized by having a wear-resistant plate fixed to the top surface of the shaft hole, the front surface of the block, or the top surface and front surface of the shaft hole of the block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986202771U JPS63104487U (en) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986202771U JPS63104487U (en) | 1986-12-23 | 1986-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63104487U true JPS63104487U (en) | 1988-07-06 |
Family
ID=31167467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986202771U Pending JPS63104487U (en) | 1986-12-23 | 1986-12-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63104487U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08500869A (en) * | 1993-04-26 | 1996-01-30 | ケンナメタル インコーポレイテッド | Pull-out undercut of flanged bit |
JP2018522154A (en) * | 2015-08-06 | 2018-08-09 | ベテック ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトBetek GmbH & Co. KG | Cutting equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4952101A (en) * | 1972-06-15 | 1974-05-21 |
-
1986
- 1986-12-23 JP JP1986202771U patent/JPS63104487U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4952101A (en) * | 1972-06-15 | 1974-05-21 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08500869A (en) * | 1993-04-26 | 1996-01-30 | ケンナメタル インコーポレイテッド | Pull-out undercut of flanged bit |
JP2018522154A (en) * | 2015-08-06 | 2018-08-09 | ベテック ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトBetek GmbH & Co. KG | Cutting equipment |
EP3332092B1 (en) * | 2015-08-06 | 2022-09-21 | Betek GmbH & Co. KG | Cutting device |