| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Drill bit having radially extending cutting bits on radial legs | US11149387 | 2005-06-09 | US07497282B2 | 2009-03-03 | Rainer Batliner; Olaf Koch; Karl-Heinz Hofmann; Werner Britten |
| A drill bit for a hammer drill for drilling in stone, concrete and the like includes a drill bit head formed as a hard material body with radial legs and having at least three radially extending cutting bits formed on the radial legs, and a centering tip in a center of the hard material body and projecting beyond one of the cutting bits, with the centering tip having concave limiting surfaces stretching between the linearly extending auxiliary cutting edges. | ||||||
| 122 | Perforating drill | US10275370 | 2001-04-26 | US07163363B2 | 2007-01-16 | Francois Defougeres; Pierre Rigolet; Sylvain Lamy |
| The invention concerns a drill including a generally cylindrical body, tipped with a head and provided, over at least part of its length, generally spiral evaporating grooves. The groove(s) are delimited, over at least part of their length, by a succession of facets, attached to one another, and linked to one another by sharp edges or by radius blends. | ||||||
| 123 | Masonry drilling tool | US10674195 | 2003-09-29 | US07137461B2 | 2006-11-21 | Markus Meierhofer |
| A masonry or rock drilling tool suitable for use with a rotary hammer has a drilling head (4, 104) at a forward end of the tool. A forwardly extending cutting plate (6, 106) is fitted or formed on the drilling head (4, 104). First and second opposing axially extending channels (36, 38, 136, 138) are formed on the circumferential periphery of the drilling head. The tool has a clamping shank (2, 102) at a rearward end of the tool suitable for fitment within a tool holder of a rotary hammer. An intermediate helical conveying portion (10, 110) extends between the drilling head and the clamping shank. The intermediate helical conveying portion has at least four helically extending flutes (14a–d, 114a–d) separated by corresponding helically extending webs (12a–d, 112a–d). The first of the axially extending channels extend axially rearwardly from a forward facing face of the drilling head into two of the four flutes. The second of the axially extending channels extend axially rearwardly from the forward facing face of the drilling head into the other two of the four flutes. Conveying properties of the tool are substantially enhanced by having each axially extending channel leading into two of the four flutes. | ||||||
| 124 | Drill | US11149386 | 2005-06-09 | US20060032675A1 | 2006-02-16 | Olaf Koch; Joachim Woerz; Karl-Heinz Hofmann; Werner Britten |
| A drill, which is used in a hammer drill for drilling holes in stone, concrete and the like, includes a drilling head (10, 20, 30) formed of a hard material and provided, at its first end (5) with at least one main bit (3) having a tip (4), and at a second end (6) located opposite the first end (5), with a bottom surface (7) for the mounting the drilling head (10; 20; 30) on the drill stem (8), and having a plurality of axially extending through-grooves (11; 21; 31) for removing drillings produced during a drilling process and having a cross-section which increases, at least regionwise, in a direction toward the bottom surface (7) of the drilling head (10; 20; 30). | ||||||
| 125 | Drill | US11149387 | 2005-06-09 | US20050274551A1 | 2005-12-15 | Rainer Batliner; Olaf Koch; Karl-Heinz Hofmann; Werner Britten |
| A drill in particular for a hammer drill for drilling in stone, concrete and the like includes a drilling head (2) formed as a hard material body with radial legs (18,19) and having at least three radially extending cutting bits (5) formed on the radial legs (18,19), and a centering tip (11;21) provided in a center of the hard material body and projecting beyond one of the cutting bits (16,17), with the centering tip (11;21) having concave limiting surfaces (12;22) stretching between the linearly extending auxiliary cutting edges (13;24,24). | ||||||
| 126 | Drill bit | US10221087 | 2001-02-14 | US06959775B2 | 2005-11-01 | Hans Christian Pedersen |
| A drill comprising a shank part (11), which is adapted to be received in a drill holder of a drilling machine, and an opposite cutting end part (13). An intermediate fluted part (12) is provided, which defines at least one helical flute or channel (16) having a bottom surface (19) and a pair of opposite side surfaces (20) defined by the ribs or lands (17). The shape of a cross-section of the at least one flute or channel, taken at right angles to the course of the flute or channel, is such that the distance from a reference plane (24) to the bottom surface or the flute is decreasing from a central part (22) of the bottom surface towards the adjacent side surface (20) of the flute. The reference plane is at right angles to a radial line (25) extending from the longitudinal axis of the drill and through the centre of the bottom surface width. A helically extending groove (21) is formed in the middle of the central part (22) of the bottom surface (19). | ||||||
| 127 | Perforating drill | US10275370 | 2003-05-23 | US20040052597A1 | 2004-03-18 | Francois Defougeres; Pierre Rigolet; Sylvain Lamy |
| The invention concerns a drill comprising a generally cylindrical body (2), tipped with a head (3) and provided, over at least part of its length, generally spiral evaporating grooves (5). The groove(s) (5) is/are delimited, over at least part of its/their length, by a succession of facets (7), attached to one another, and linked to one another by sharp edges or by radius blends (8). | ||||||
| 128 | Percussion borer for forming bores in stone material | US10120658 | 2002-04-11 | US06640914B2 | 2003-11-04 | Erich Wisser; Marcel John; Bernhard Sander; Hanspeter Schad; Cord-Henrik Surberg; Charles Coffin; Joachim Vedder; Reinhard Lins |
| A percussion bores for forming borer in a stone material and including a chisel stem (2) having a prismatic cross-section and provided with a chiseling head (3) and at least one radial opening (4), a twist drill (6) extending through the cylindrical through-bore (3) of the chisel stem and projecting beyond the chiseling head (7), a drilling head (10) with cutting elements (9) provided at the projecting end of the twist drill and a shank (12) provided at another end of the twist drill, and a stop (13) provided between the shank (12) and the chisel stem (2), with a drill stem being offset radially inwardly with respect to an outer diameter of the shank in the region of the stop. | ||||||
| 129 | Twist drill | US09859871 | 2001-05-17 | US06601659B2 | 2003-08-05 | Robert S. Saitta; Troy D. Wells; Christian Putzi |
| A twist drill including a spiral-forming hollow shaft (3) having a spiral-shaped inner surface, and drilling head(5) and shank (6) connected with the shaft (3) at its opposite ends, respectively; and a method for forming such a twist drill. | ||||||
| 130 | Drilling tool including drilling head with multiple cutting members separated drilled material grooves | US09656870 | 2000-09-07 | US06450273B1 | 2002-09-17 | Werner Kleine; Hans-Werner Bongers-Ambrosius |
| A drilling tool (1), especially a rock drilling tool, has an axially extending shaft (2) with one end arranged to seat in a chuck of a drilling device and the opposite end securely connected to a drilling head (5). The drilling head has at least three hard metal cutting members (7, 8 and 9) with at least two adjacent cutting members located at the outer circumferential surface of the drilling head and preferably projecting radially outwardly from the circumferential surface. The cutting members are spaced circumferentially apart at an angle in the range of about 100° to about 150°. Drilled material grooves (10, 11 and 12) separate the cutting members (7, 8 and 9) in the circumferential direction. In turn the drilled material grooves (10, 11 and 12) discharge into at least one discharge groove extending helically around the shaft. A circle (E) encircling the drilling head (5) is formed by the radially outer edges of the outwardly projecting cutting members. The circle (E) has a diameter (e) at least equal to 15 mm and preferably at least equal to 18 mm. The drilled material grooves located between the cutting members (7, 8 and 9) are spaced apart by an angle (&bgr;) in a range of about 100° to about 150°. The drilled material grooves (10, 11 and 12) are located in a region (15) of the outer circumferential surface with an opening to the grooves having an aperture angle &agr; in the circumferential direction with a value &agr;≦100−e and an axial extent (f) with a value of >0. | ||||||
| 131 | Rock drilling tool with improved conveying | US09555841 | 2000-08-08 | US06427789B1 | 2002-08-06 | Mathias Fuss; Thomas Wagegg; Bernhard Moser |
| The invention proposes a drilling tool, in particular rock-drilling tool for rotary and/or percussive operation, in which, for the purpose of improving the drilling properties, the drilling-dust discharge groove is subdivided into at least two discharge-groove sections, each section having its own drilling-dust-carrying surface. | ||||||
| 132 | Cutting tools for drilling concrete, aggregate, masonry or the like materials | US10011138 | 2001-11-13 | US20020054799A1 | 2002-05-09 | Muniswamappa Anjanappa; Stephen R. Crosby; Russell M. Timmons; John D. Williams; Thomas Trevor Bludis; Udo Koehler |
| A cutting tool (500) has a longitudinally extending shaft portion (588) with a chucking part (509) and a cutting head (506). A pressed powder cutting insert (518) with a cutting edge (520) is on the cutting head (506). The cutting edge (520) includes at least one cutting portion. A rake surface (524) is formed adjacent to at least one of the cutting portions (520) with the rake face (524) being at a rake angle from about 0null to 10null. A clearance face (526) is formed adjacent to the at least one cutting portion opposite the rake face (524). The clearance face (526) is at a clearance angle from about 10null to 50null. An edge radius (540) between the rake face (524) and the clearance face (526) is at a radius of from about 0.0015 to about 0.004 inch. The edge radius 540 is formed during pressing of the powder to form the insert, thus, enabling the insert to be directly braised into the cutting head (506). | ||||||
| 133 | Rock drill | US09942380 | 2001-08-29 | US20020046885A1 | 2002-04-25 | Jorg Eichhorn; Harald Geiger |
| A rock drill (1) with a helical thread (2) and a hard material insert (3, 9) in the drilling head, form a radically outer guiding surface (6), with the guiding edge (6) forming an acute angle (null) with the direction of the tool axis (A). | ||||||
| 134 | Multiple cutter rotary hammer bit | US09697385 | 2000-10-26 | US06374931B1 | 2002-04-23 | Marcelo Reyes Nieves |
| A drill bit for use in rotary hammer drilling machines to drill holes in rock, masonry and concrete which includes an axially extending shank having a plurality of helical discharge grooves therein and defining a convex end face. A cylindrical projection is centrally disposed on the end face of the shank and defines a pyramid-shaped cutting tip. A plurality of primary cutting members, generally rectangular in configuration, are embedded in the shank such that the cutting members are spaced from and extend radially from the cylindrical projection so as to define gaps between the cutting members and the projection. One of the cutting members is laterally adjacent an upper end portion of each of the discharge grooves. The combination of the cylindrical projection and surrounding primary cutting members pulverize and pressurize drilled material and direct drilled material along the side wall of the cylindrical projection and into the gaps between the projection and the primary cutting members where the material is compressed to assist in the drilling process and enhance drilling speed and is subsequently directed into the discharge grooves for removal. | ||||||
| 135 | Cutting tools for drilling concrete, aggregate, masonry or the like materials | US09727027 | 2000-11-30 | US06345940B2 | 2002-02-12 | Muniswamappa Anjanappa; Stephen R. Crosby; Russell M. Timmons; John D. Williams |
| A cutting tool (200, 202) has a longitudinally extending shaft portion (208) with a chucking part (204) and a cutting head (206). A cutting edge (220) is formed on the cutting head (206). The cutting edge (220) includes at least one cutting portion. A rake surface (224) is formed adjacent to at least one of the cutting portions (220) with the rake face being at a rake angle in the range from about −10° to about 10°. A clearance face (226) is formed adjacent to the at least one cutting portion opposite the rake face (224). The clearance face (226) is at a clearance angle in the range from about 10° to about 50°. An edge radius between the rake face and the clearance face is at a radius of from about 0.0003 to about 0.0040 inch. | ||||||
| 136 | Masonry drill bit | US09617626 | 2000-07-17 | US06328506B1 | 2001-12-11 | Geoff Turner; Rudi Birk |
| A masonry drill bit 1 having an active diameter of D, comprising a shaft 3 and a tip 5 for engaging a workpiece, the tip 5 including a central portion 11 extending ahead of an outer portion 13, wherein the central portion 11 has a width of at least 0.25D and is shaped to act as a chisel during percussion drilling, and wherein the outer portion 13 is shaped to cut a workpiece as the drill bit rotates. By virtue of the drill bit tip 5 configuration as described and claimed herein, a masonry drill bit 1 having improved performance is provided. | ||||||
| 137 | Rock drill | US09528598 | 2000-03-20 | US06283232B1 | 2001-09-04 | Rainer Batliner; Steven Moseley; Edwin Schweizer; Udo Hauptmann |
| A rock drill including a drill stem (2), major cutting edges (5, 6) extending substantially over a diameter of the drill stem (2) and projecting beyond the end face (3) of the drill stem, and at least one minor cutting edge (9, 10) extending substantially in a radial direction and provided on at least one elongate cutting body (7, 8) which projects beyond the end face (3), with the minor cutting edge (9, 10) being located, at a contemplated rotational direction (R) of the drill (1) about the drill axis (A), in front of a corresponding major cutting edge (5, 6) adjacent to a main discharge groove (13) for drilling dust, and with the elongate cutting body (7, 8) having a cutting surface (11) tapering from the minor cutting edge (9) toward the end face (3) of the drill stem (2) and having at least one inclination surface (12) adjacent to the circumference of the drill stem (2) and inclined toward the circumference of the drill stem and with respect to a radial extension of the minor cutting edge (9), in a direction opposite the drill rotational direction (R). | ||||||
| 138 | Cutting tools for drilling concrete, aggregate, masonry or the like materials | US08837828 | 1997-04-22 | US06174111B1 | 2001-01-16 | Muniswamappa Anjanappa; Stephen R. Crosby; Russell M. Timmons; John D. Williams |
| A cutting tool (200, 202) has a longitudinally extending shaft portion (208) with a chucking part (204) and a cutting head (206). A cutting edge (220) is formed on the cutting head (206). The cutting edge (220) includes at least one cutting portion. A rake surface (224) is formed adjacent to at least one of the cutting portions (220) with the rake face being at a rake angle in the range from about −10° to about 10°. A clearance face (226) is formed adjacent to the at least one cutting portion opposite the rake face (224). The clearance face (226) is at a clearance angle in the range from about 10° to about 50°. An edge radius between the rake face and the clearance face is at a radius of from about 0.0003 to about 0.0040 inch. | ||||||
| 139 | Integrated drilling and rock bolting apparatus | US513889 | 1995-08-31 | US5649789A | 1997-07-22 | Kieron Denz |
| Integrated drilling and rock bolting member having a threaded end and a distal end with the threaded end connectable to a rotational drive device and the distal end having formed therein a transverse slot which extends longitudinally through the distal end and terminates adjacent the threaded end. The bolt member having opposed inclined wedge faces along a portion of the slot adjacent the distal end. A drilling element having opposed wedge shaped faces which mate with the wedge shaped faces of the bolt member. The drilling element being connected in the slot. In the drilling mode the connection transmits torque and prevents axial displacement between the bolt member and the drill element and in the anchoring mode permits relative axial displacement between the drilling element and the bolt member in response to a predetermined threshold axial force component applied to the bolt member whereby the relative axial displacement secures the bolt member within the hole. | ||||||
| 140 | Masonry drill bit and method of making a masonry drill bit | US545272 | 1995-10-19 | US5630478A | 1997-05-20 | Thomas O. Schimke |
| A masonry drill and method of manufacture is disclosed. The drill has an elongated axial body with at least one discharge groove and a transverse slot located at one end with a hardened drill bit insert brazed within the slot. The hardened insert has projections extending outward from flat planar surfaces which hold the insert in proper orientation within the axial drill body so that it may be brazed into place subsequent to insertion into the drill body. | ||||||
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