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| Number | Title | Issue Date |
| 7762751 | Anchor A self-drilling anchor for use in a friable material comprises a body having an axis, a flanged rear end, a drilling front end and a generally cylindrical portion therebetween having an outer surface with a thread disposed thereon, wherein the body forks, beginning ... | 07/27/2010 |
| 7654781 | Anchor for hollow walls An anchor (910) for mounting to a hollow wall (W) made of friable material comprises a proximal flanged end (918) adapted to be engaged by a rotatable tool (B) to rotate the anchor (910) about a longitudinal axis (A) thereof and to cause is to g... | 02/02/2010 |
| 7645104 | Blind fastener and method of installation thereof A blind fastener (11) for installation in a thermoplastic workpiece, which blind fastener has a leading end face (21) which is substantially flat and non-abrasive and without drilling teeth, so that when the leading end face of the fastener is held in ... | 01/12/2010 |
| 7334976 | Countersunk screw The invention relates to a countersunk screw having a threaded shank and a countersunk head, which latter has a conical surface tapering at a countersinking angle in the direction of the threaded shank. The conical surface has a plurality of ribbed protrusions distr... | 02/26/2008 |
| 7322783 | Self-drilling pull-through blind rivet and methods of and apparatus for the assembly and setting thereof A river body (40) is formed with cutting teeth (68) in a forward edge (66) of the rivet body. A mandrel (96) is formed at a forward end with an enlarged head (104) having a drill point (60) thereon. A plurality of the rivet ... | 01/29/2008 |
| 7320569 | Self-drilling hollow wall anchor A high strength failure-resistant hollow wall anchor having a self drilling threaded installation structure adapted to be broken, after positioning, by an inserted screw, into expandable anchoring elements. The anchoring elements engage internally formed cams and th... | 01/22/2008 |
| 7309199 | Sprue dowel A sprue dowel has a radially projecting embeddable portion (12) and an attachment portion (21) formed as a hollow cylindrical shaft (24) provided with a plurality of spaced from each other, furrowed retaining projections (26, 27) formed o... | 12/18/2007 |
| 7266874 | Method of installing a self-drilling anchor A method of installing a self drilling anchor for use in a friable material mounted on a member comprising an elongated body having an axis, an axial bore adapted to receive an elongated fastener, a flared end having torque transmitting surfaces therein, a proximal ... | 09/11/2007 |
| 7261505 | Self-drilling anchor In one aspect, an anchor may include a threaded body, and a coaxial nut, wherein the anchor has a driving mode and an anchoring mode with the nut drawn rearwardly into the body by a threaded fastener to open the body radially outwardly. In another aspect, a one-piec... | 08/28/2007 |
| 7237994 | Wall plug A wall plug for enabling fixings to be attached to a wall, the wall plug comprising an elongate body having an inner insertion end and an outer end, a through bore extending from the outer end toward the inner end, the through bore being adapted to axially receive a... | 07/03/2007 |
| 7150595 | Undercut anchor element that can be mounted with positive engagement An undercut anchor element comprising a shank of an anchor bolt. The shank passes through a base part, which is provided for effecting an anchoring, passes through a spacer sleeve, and at the end thereof is provided with a tightening head. The tightening head can be... | 12/19/2006 |
| 7143497 | Method for anchoring an elongate fastener A self-drilling anchor for use in a friable material comprises a body having an axis, a flanged rear end, a drilling front end and a generally cylindrical portion therebetween having an outer surface with a thread disposed thereon, wherein the body forks, beginning ... | 12/05/2006 |
| 7144212 | Self-drilling hollow wall anchor A high strength failure-resistant hollow wall anchor having a self drilling threaded installation structure adapted to be broken, after positioning, by an inserted screw, into expandable anchoring elements. The anchoring elements engage internally formed cams and th... | 12/05/2006 |
| 7118315 | Spike nail structure A spike nail for nailing in walls made of gypsum boards or fiber boards has a nail body which consists of a first blade and a second blade. The nail body includes a striking section, a upper guiding sleeve, a lower guiding sleeve, a screw thread guiding section and ... | 10/10/2006 |
| 7083443 | Connector assembly screw and anchor security device The connector assembly security device refers to a device used for verifying the proper position of a connector in an assembly, said connector provided with a number of connection terminals connected to conductor cables, and which is intended for being housed on a b... | 08/01/2006 |
| 7083370 | Fastening devices A device for fastening panels to tubular frames comprises a dowel element (10) and a sleeve element (11). An expander region (15) of the dowel element, comprising a plain cylindrical section (16) and a conically tapering section (17 | 08/01/2006 |
| 7073213 | Upright hinge for spa cover A hinge assembly for coupling a spa cover to a spa includes a mounting bracket disposed near a top of the spa, a support arm which is pivotably coupled to the mounting bracket about an axis of rotation, and a spring member disposed between the mounting bracket and t... | 07/11/2006 |
| 7070378 | Heatstake A heatstake for fastening a workpiece includes a base portion (12) having at least one shaft portion (22). A central passage (30) extends though the shaft portion from its leading end (28) to the base portion. A plurality of slots (22 | 07/04/2006 |
| 7010833 | Slide hinge for spa cover A hinge assembly for coupling a spa cover to a spa includes a mounting bracket, a slide bracket and a support arm adapted to be attached to the spa cover. The mounting bracket is adapted to be installed near a top of the spa. The slide bracket is slidably coupled to... | 03/14/2006 |
| 7001124 | Anchor A self-drilling anchor for use in a friable material comprises a body having an axis, a flanged rear end, a drilling front end and a generally cylindrical portion therebetween having an outer surface with a thread disposed thereon, wherein the body forks, beginning ... | 02/21/2006 |
| 6969220 | Wall anchor for a screw, and assembly constituted by such a wall anchor and a screw A wall anchor (1) has a head shaft (5) and a screw nut shaft (6) on the same longitudinal axis (4), connected to each other by a plurality of approximately longitudinal small bars (7). The bars (7) are plastically flexible i... | 11/29/2005 |
| 6935821 | Mushrooming expandable anchor A self-anchoring fastening device for installation in supports for hanging pipes wires or other articles in ceilings is shaped for a socket to drive the device for an easy installation process. The device comprises a collapsible anchoring portion having radially exp... | 08/30/2005 |
| 6929424 | Rock bolt and method of use A rock bolt comprising an elongated bar and an elongated deformable member, with a threaded nut to reduce the distance between the respective ends of the deformable member so as to deform at least part of the member away from the bar. The threaded nut may be located... | 08/16/2005 |
| 6921237 | Fastener having a tab in the contact region This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The head has an upper side and a lower side, preferably separated by a gap. The... | 07/26/2005 |
| 6648557 | Drilling apparatus and method for single pass bolting A drilling apparatus for single pass bolting, the drilling apparatus comprising a drill steel assembly and a disposable drill bit, wherein the drill steel assembly comprises at least a drill steel having first and second ends, the first end of the drill s... | 11/18/2003 |
| 6609866 | Expandable metal body for an expansion bolt An expandable body of expansion bolt comprises an upper section having a hollow upper circular member including a cut and a connection member coupled to the upper section, and a hollow lower circular member including a cut and a dent with the connection m... | 08/26/2003 |
| 6382892 | Wall anchor with improved drilling tip A wall anchor for use in a friable material, composed of a generally cylindrical body having a flanged end, a central portion, and a drill end. The drill end has a generally flat blade which includes a first portion and a second portion. The first portion... | 05/07/2002 |
| 6371706 | Hammer-in expansion fastener A hammer-in expansion fastener for embedding into a wall and receiving a screw having an elongated body which is provided with two opposite ends and a bore extending into it from one end to receive a screw. The other end of the body is tapered inwardly to... | 04/16/2002 |
| 6354779 | Self-drilling anchor bolt An anchor bolt is provided which includes a head, a drill portion, and an intermediate shank portion. The intermediate shank portion has a longitudinal cavity formed therein for receiving a mounting set screw. An external thread is formed on the shank por... | 03/12/2002 |
| 6250864 | Fastener with single-layered head This invention relates to sheet metal reversed L-shaped segments, two of which may be assembled to form a T-shaped structure or fastener having a single layered head. The single-layered head has a hole engageable to an expanding member, such as a screw fo... | 06/26/2001 |
| 6213697 | Self-cutting expansion anchor A self-cutting expansion anchor and system having a sleeve member with a plurality of expandable sections disposed about a shaft, the expandable sections having an end portion disposed toward a generally conical portion of the shaft, a heat hardened cutti... | 04/10/2001 |
| 6196780 | Threaded anchor An anchor has a hollow shank having a head at one end and an integral blade portion at the other end and formed with male threads on the outer periphery. Cuts are formed in a peripheral wall of the hollow shank to define therebetween a bendable portion ad... | 03/06/2001 |
| 6186716 | Anchor bolt An anchor bolt is provided which includes a head, a drill portion, and an intermediate shank portion. The intermediate shank portion has a longitudinal cavity formed therein for receiving a mounting set screw. An external thread is formed on the shank por... | 02/13/2001 |
| 6139236 | Board anchor An anchor that screws directly into a board without requiring a tap drill hole. A male screw is provided around the shaft part of the anchor with a drill part at one end and a flange part at the other end; at the end where the flange part is provided, a t... | 10/31/2000 |
| 6135688 | Undercut self-cutting dowel An undercut self-cutting dowel including a body (2) having a through-bore (13), a load application element (3) provided in a rear portion of the body (2), and a plurality of expansion tabs (4) separated by axial slots and formed in a front portion of the ... | 10/24/2000 |
| 6132152 | Undercut-engaging dowel A dowel including an anchor rod (2; 22) having a load application element at one of its longitudinal ends and a head (3; 23), a diameter of which increases toward the free end of the anchor rod, at its opposite end, an expansion sleeve (4; 24) having a bo... | 10/17/2000 |
| 6074145 | Undercut self-cutting spreading anchor An undercut self-cutting spreading anchor with an anchor rod (5) provided, at one of its ends with a load application element and at another, opposite of its ends, with a head portion (7) a diameter of which increases toward a free end (6) of the anchor r... | 06/13/2000 |
| 6012887 | Undercut self-cutting anchor An undercut self-cutting anchor including an anchor rod (2) having a stem(3) provided with a load application element (4) at its rear end and with a head portion (5) at its opposite end, with the head portion (5) widening toward a front end (6) of the anc... | 01/11/2000 |
| 6010288 | Drive-in dowel A drive-in dowel formed as a sleeve (2, 22) provided with a load application element (3, 23) and having a front section formed of a plurality of expansion elements separated from each other by longitudinal slots, with each of the plurality of expansion el... | 01/04/2000 |
| 6004085 | Self-drilling anchor A self-drilling anchor having a self-drilling function includes a body and a pin. The body includes a head and a shank extending from the head downward. The head is of a shape similar to the head of a hexagonal bolt such that the head may engage with the ... | 12/21/1999 |
