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71. 发明专利

AT169205T 未知
公开(公告)号：AT169205T
公开(公告)日：1998-08-15
申请号：AT94102546
申请日：1994-02-21
申请人： INTEGRAL MEDIZINTECHNIK
发明人： MANDANIS GEORGES
IPC分类号： A61F2/46 , A61B17/00 , A61B17/16 , A61B17/56 , A61B17/92 , B25D9/00 , B25D9/08 , B25D9/14 , B25D17/06 , B25D17/16

72. 发明专利

ES523603A0 未知
公开(公告)号：ES523603A0
公开(公告)日：1984-05-16
申请号：ES523603
申请日：1983-06-27
申请人： VOEST ALPINE AG
IPC分类号： E21C35/18 , E21C35/12 , E21C35/187 , E21C35/22 , B25D17/16
摘要： A bit holder equipped with a spraying device, comprising a receiving bore (2) in which the bit shaft (3) is supported, for limited axial shifting movement and optionally for being rotated, shifting movement of the bit shaft (3) in direction of the cutting pressure being limited by abutment (5) and the bit shaft being loaded by a return force in opposite direction to the cutting pressure and a valve (10, 11) for the supply of water to the bit or to the working or drift face during cutting operation being arranged within the bit holder (1) and being opened under the action of the cutting pressure by the axial shifting movement of the bit shaft (3). The valve housing (9) is inserted into the receiving bore (2). The rear end of the bit shaft (3) acts directly on the shaft (12) of the valve cone (10). Within the mantle of the receiving bore (2) and in front of the valve housing (9) there are provided passages (16) through which contaminations entering into the receiving bore (2) along the bit shaft (3) can be discharged in outward direction before they can arrive at the valve seat (11). The shaft (12) of the valve cone (10) is preferably guided within the valve housing (9), so that contaminations are rinsed in outward direction through the passages (16) by the leakage water flowing therethrough.

73. 发明专利

ATA282579A 未知
公开(公告)号：ATA282579A
公开(公告)日：1981-03-15
申请号：AT282579
申请日：1979-04-17
申请人： SIG SCHWEIZ INDUSTRIEGES
IPC分类号： B23Q11/10 , B25D9/16 , B25D17/10 , B25D17/16 , E21B1/30 , E21B1/38 , E21C13/08
摘要： A pneumatically operated stone-working tool has a tool drive, a spraying device for spraying the work area with a liquid and a control assembly for opening and closing the pneumatic line. The control assembly includes a valve plunger rotatably and linearly displaceably received in a chamber which is in the path of a pneumatic line feeding the tool drive and a liquid line feeding the spraying device. The plunger has a first linear position in which it maintains the pneumatic line closed regardless of the angular position of the plunger and a second linear position in which it maintains the pneumatic line open solely when the plunger is manually rotated into an "open" angular position. A force-exerting arrangement continuously urges the plunger towards its first linear position. The plunger has a work face so oriented that it is continuously exposed to a pressure of the liquid in that part of the chamber which is in communication with the liquid line. This pressure displaces the plunger into its second linear position against the effect of the force-exerting arrangement when the pressure reaches a predetermined level indicative of a safe pressure for operating the spraying device.

74. 发明专利

SE7903840L 未知
公开(公告)号：SE7903840L
公开(公告)日：1979-11-06
申请号：SE7903840
申请日：1979-05-03
申请人： SIG SCHWEIZ INDUSTRIEGES
发明人： THOMA H
IPC分类号： B23Q11/10 , B25D9/16 , B25D17/10 , B25D17/16 , E21B1/30 , E21B1/38 , E21C7/00 , E21C7/08
摘要： A pneumatically operated stone-working tool has a tool drive, a spraying device for spraying the work area with a liquid and a control assembly for opening and closing the pneumatic line. The control assembly includes a valve plunger rotatably and linearly displaceably received in a chamber which is in the path of a pneumatic line feeding the tool drive and a liquid line feeding the spraying device. The plunger has a first linear position in which it maintains the pneumatic line closed regardless of the angular position of the plunger and a second linear position in which it maintains the pneumatic line open solely when the plunger is manually rotated into an "open" angular position. A force-exerting arrangement continuously urges the plunger towards its first linear position. The plunger has a work face so oriented that it is continuously exposed to a pressure of the liquid in that part of the chamber which is in communication with the liquid line. This pressure displaces the plunger into its second linear position against the effect of the force-exerting arrangement when the pressure reaches a predetermined level indicative of a safe pressure for operating the spraying device.

75. 发明专利

CA1034111A MARTEAUX PERFORATEURS 未知
公开(公告)号：CA1034111A
公开(公告)日：1978-07-04
申请号：CA255177
申请日：1976-06-17
申请人： MONTABERT ROGER
发明人： MONTABERT ROGER
IPC分类号： E21B21/00 , B25D20060101 , B25D9/00 , B25D9/04 , B25D17/00 , B25D17/02 , B25D17/14 , B25D17/16 , B25D17/20 , B25D17/22 , B28D1/14 , B28D7/02 , E21B20060101 , E21C20060101 , E21C37/24 , F16J15/00 , F16J15/06 , F16K41/14 , F16L37/02
摘要： A percussion drill in which a piston or ram is driven against the end of a drill rod comprises a tube extending through the piston and reaching into a bore at the end of the drill rod to deliver a fluid thereto for moving debris formed by the drilling operation. A socket is received in a bore of the drill rod and has a resilient lip which is deflected inwardly by the flared mouth of the drill rod bore while the tube has a tapered end which is engaged by the wall of a tapered bore formed in the socket.

76. 发明专利

ZA763724B IMPROVEMENTS IN OR RELATING TO PERCUSSION DRILLS 未知
公开(公告)号：ZA763724B
公开(公告)日：1977-05-25
申请号：ZA763724
申请日：1976-06-22
申请人： MONTABERT ROGER
发明人： MONTABERT R
IPC分类号： E21B21/00 , B25D20060101 , B25D9/00 , B25D9/04 , B25D17/00 , B25D17/02 , B25D17/14 , B25D17/16 , B25D17/20 , B25D17/22 , B28D1/14 , B28D7/02 , E21B20060101 , E21C20060101 , E21C37/24 , F16J15/00 , F16J15/06 , F16K41/14 , F16L37/02 , B25D , E21C
摘要： A percussion drill in which a piston or ram is driven against the end of a drill rod comprises a tube extending through the piston and reaching into a bore at the end of the drill rod to deliver a fluid thereto for moving debris formed by the drilling operation. A socket is received in a bore of the drill rod and has a resilient lip which is deflected inwardly by the flared mouth of the drill rod bore while the tube has a tapered end which is engaged by the wall of a tapered bore formed in the socket.

77. 发明专利

DE2627570A1 未知
公开(公告)号：DE2627570A1
公开(公告)日：1977-01-20
申请号：DE2627570
申请日：1976-06-19
申请人： MONTABERT ROGER
发明人： MONTABERT ROGER
IPC分类号： E21B21/00 , B25D20060101 , B25D9/00 , B25D9/04 , B25D17/00 , B25D17/02 , B25D17/14 , B25D17/16 , B25D17/20 , B25D17/22 , B28D1/14 , B28D7/02 , E21B20060101 , E21C20060101 , E21C37/24 , F16J15/00 , F16J15/06 , F16K41/14 , F16L37/02 , E21C1/12 , E21C3/00
摘要： A percussion drill in which a piston or ram is driven against the end of a drill rod comprises a tube extending through the piston and reaching into a bore at the end of the drill rod to deliver a fluid thereto for moving debris formed by the drilling operation. A socket is received in a bore of the drill rod and has a resilient lip which is deflected inwardly by the flared mouth of the drill rod bore while the tube has a tapered end which is engaged by the wall of a tapered bore formed in the socket.

78. 发明专利

DE1098470B 未知
公开(公告)号：DE1098470B
公开(公告)日：1961-02-02
申请号：DEM0033057
申请日：1957-01-28
申请人： HAUSHERR & SOEHNE MASCHF
发明人： ZIMMERMANN DIPL-BERGING HORST , BUERGER AUGUST , ALTENHAIN AUGUST
IPC分类号： B23Q11/08 , B25D17/16 , E21C37/24

79. 发明专利

DE1024906B 未知
公开(公告)号：DE1024906B
公开(公告)日：1958-02-27
申请号：DEH0028117
申请日：1956-09-17
申请人： HAUHINCO MASCHF
发明人： HILLIGWEG AUGUST
IPC分类号： B23Q11/08 , B25D17/16 , E21C37/24

80. 发明专利

FR948956A 未知
公开(公告)号：FR948956A
公开(公告)日：1949-08-17
申请号：FR948956D
申请日：1947-06-21
申请人： COLINET CONST MEC
IPC分类号： B23Q11/08 , B25D17/16 , E21C37/24

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