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| Number | Title | Issue Date |
| 7241095 | Dowel with locking features and method of using the same A hollow dowel pin adapted to secure together at least two mating components during the assembly thereof includes an elongate generally cylindrical main body portion, first and second mating edges, and at least one outwardly extending tab. The elongate generally cyl... | 07/10/2007 |
| 7207758 | Fastening device, particularly for holding together a stack of at least two panels The invention relates to a fastening device for holding together a stack of at least two panels, comprising a female piece in the form of a clasp, and a male piece having a part in the form of a head, and a part in the form of shaft with a cross section in the form ... | 04/24/2007 |
| 7155903 | Buffer washer member and vibration and heat insulating board having the same A collar member including a main body part having a bolt hole for inserting a bolt and a flange part projecting horizontally to outside from the upper end of the main body part, a fitting member being a member for fitting with a vibration and heat insulating board m... | 01/02/2007 |
| 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 |
| 7097405 | Method and apparatus for fastening steel framing with staggered teeth nails A piercing nail with a spring member that deforms as the nail penetrates through framing members engages with a bottom surface to framing members together. ... | 08/29/2006 |
| 7059022 | Spacer for attaching a dash silencer A spacer (10) to be inserted into a dash silencer comprises a cylindrical hollow body (12), a first flange (13) extending radially outward from one of the ends of the body, a second flange (a contact flange) (14) extending radially outwar... | 06/13/2006 |
| 7004702 | System for connecting elements A fastener system for connecting and releasing two elements. The system comprises a rod-shaped product with a male part and a female part, in which the male part is sized to be receivable in the female part. Either the male or female part is provided with a screw th... | 02/28/2006 |
| 6958089 | Structure of an electrostatic precipitator An electrostatic precipitator includes a frame, several parallel square metallic rods securely disposed in the frame, and several metallic boards positioned parallel in the frame for charges to be deposited on, and spacing elements; the metallic boards have through ... | 10/25/2005 |
| 6942439 | Expansion dowel bushing with a compressible section The dowel's expansion bushing (2) is placed around a threaded rod (9) inserted in the bushing's (2) expansion core (3), between the strut (8) and the core (3). The bushing (2) includes a section (16) compressib... | 09/13/2005 |
| 6935811 | Frictional mining bolt A system for mine roof reinforcement includes a bearing plate and a tubular member with an inner surface, an outer surface, first and second free ends, and an enlarged portion disposed proximate one of the free ends. The system also includes a projectile and an inse... | 08/30/2005 |
| 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 |
| 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 |
| 6908144 | Fastening element for part of a trim inside a motor vehicle Fastening element for a trim panel in the interior of a motor vehicle, said fastening element being fastened between a structural part (1) of the motor vehicle and the trim panel in such a manner that the trim panel can be removed, and foam being provided bet... | 06/21/2005 |
| 6905299 | Method and apparatus for fastening steel framing with a harpoon nail A harpoon nail having two or more sets of teeth on opposite sides of fingers that deform while penetrating the framing members. The teeth engage with a bottom surface to fasten the framing members together. A piercing nail having sets of teeth on two edges penetrate... | 06/14/2005 |
| 6899498 | Spring fastener having multifunctional barbs originating at the lower side of the head A Spring fastener with critical configuration of the barbs, which allow the extraction of the fastener without destruction of the slot and/or the fastener. This critical configuration of the barbs allows spring fasteners to be used in slots of various widths and pre... | 05/31/2005 |
| 6827536 | Device for assembling two panels or the like and formed by co-operating parts A device for assembling two panels and formed by a male part (1) and a female part (2), designed to be inserted into bores provided in these panels, the female part being constituted by an elastically deformable clip (2) provided with a cap (... | 12/07/2004 |
| 6743018 | Dental restoration apparatus The present invention is directed to developments in the fields of dentistry and dental surgery, and particularly to an improvement in dental restoration apparatus. Typically, apparatus of this type includes an implant adapted to be implanted in an anchor site fashi... | 06/01/2004 |
| 6719509 | Expansion screw An improved expansion screw and particularly an expansion screw for securely anchoring on various types of solid walls and hollow walls mainly includes a bolt and a nail tube. The nail tube has a front end fastened to a nut, a middle portion formed at least one expa... | 04/13/2004 |
| 6709210 | Spring fastener of highly improved pulling force A fastener having a head and two expandable legs. The fastener further has a Y-shaped funnel configuration, which has been formed by a partial cut of the legs. The sides of the Y-shaped funnel comprise inwardly bent portions which are designed to extend into the slo... | 03/23/2004 |
| 6688829 | Ceiling clip A fastener subassembly for being driven by a power actuated tool comprises a flute having a body and a pin having a tip for being driven into a substrate. The body of the flute has a longitudinal axis, a muzzle loading end, a mounting end, and a hollow bo... | 02/10/2004 |
| 6663330 | Roll pin compression limiter A compression limiter formed by a roll forming process includes a substantially cylindrical body portion and a plurality of feet. A plurality of notches are stamped along a lower edge of a flat sheet of stock and bent to form the plurality of feet. The fl... | 12/16/2003 |
| 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 |
| 6588997 | Bolt fixing assembly A bolt fixing assembly comprises a bolt body, a resilient sleeve, and a pressing member. The bolt body includes a head and a shank. The resilient sleeve includes plural toothed plates integrally formed on an outer periphery thereof. Each resilient toothed... | 07/08/2003 |
| 6579049 | Expansion anchor An expansion anchor to be set in a bore of a constructional component and including an anchor member (1) having, at its end facing in a setting direction, an expansion region (5), a guide region (6) remote from the setting direction end of the anchor memb... | 06/17/2003 |
| 6524046 | Wedge anchor A wedge anchor has a shank with an expander section having a surface that forms an angle greater than 8° with respect to an axis of the shank. A plurality of longitudinal ribs project radially and outwardly from the expander section, extend along the axi... | 02/25/2003 |
| 6524045 | Anchor with an expansible sleeve having a compressible portion An expanding sleeve of an anchor is arranged around a threaded shank engaged in a plug for expanding the sleeve. The sleeve includes an axially compressible portion which includes portions that can be sheared and which are arranged so that after they have... | 02/25/2003 |
| 6524044 | Fastener of high prevailing torque, pulling force, and stripping torque 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... | 02/25/2003 |
| 6513772 | Brick gripper A device useful for supporting decorative light strings or other articles from a brick wall, the device having an expander, retainer, mounting clip for decorative bulb and socket assemblies, and threaded fastener, the expander being insertable into a mort... | 02/04/2003 |
| 6457922 | Expansion bolt assembly An expansion bolt assembly includes an elongated bolt body. The bolt body is formed with an externally threaded insert portion that is adapted to be inserted into a bore formed in a wall, and an anchoring portion that extends from the insert portion and t... | 10/01/2002 |
| 6439819 | Progressively-formed clinch nut A three-sided, progressively-formed threaded fastener is comprised of a plurality of planar longitudinal faces intersecting at comer areas. Shank tabs extend downward from the bottom of each of the faces at the base of the fastener. Threaded regions along... | 08/27/2002 |
| 6406236 | Panel fastener and method of manufacture thereof A fastener for connecting a first panel to a second panel comprises a head and a shaft, the shaft including a plurality of spring legs, each connected at one end to the head and flexing inward and outward relative to the one end. The shaft is dimensioned ... | 06/18/2002 |
| 6379092 | High performance sealing fastener A sealing fastener, which expands by the insertion of preferably a screw. The fastener comprises a substantially flat head and two expandable legs. The fastener has further an elastic body, especially a thermoplastic elastomer, molded at least on the lowe... | 04/30/2002 |
| 6371708 | Spread rivet and method of production The expansion rivet consists of an expansion peg and a drive-in pin, which in the preassembled state of the expansion rivet are captively joined together. In its midsection, the expansion peg has an insertion hole adapted to the form of the drive-in pin, ... | 04/16/2002 |
| 6309155 | Expanding sleeve anchor used in a concrete wall and structure for enhancing the anchoring capability thereof An expanding sleeve anchor structure includes a nail base tube cooperating with a tapered spreading member. The nail base tube has an upper section provided with a plurality of separating lines each having an elongated transverse hollow slot substantially... | 10/30/2001 |
| 6299399 | High pulling force fastener with bowable head This invention relates to a fastener, which expands by the insertion of an expanding member, preferably a screw through an engageable hole of the fastener. The fastener comprises a substantially flat head and two expandable legs. The head has an upper sid... | 10/09/2001 |
| 6283689 | Insert fastener A one-piece insert fastener adapted for securement within an aperture in a panel by a threaded member. The insert fastener includes a base having a top surface, a bottom surface and a pair of outwardly protruding wings. In one embodiment, the base additio... | 09/04/2001 |
| 6280129 | Extensive engagement fastener 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... | 08/28/2001 |
| 6273380 | Brick gripper A device useful for supporting decorative light strings or other articles from a brick wall, the device having an expander, retainer, hook and threaded fastener, the expander being insertable into a mortar groove, the retainer having teeth adapted to enga... | 08/14/2001 |
| 6270303 | Anchor bolt with a bevelled tooth expansion core to reduce friction An anchor bolt comprises a fixing rod (1), an expandable sleeve (2) and an expansion core (3) integral in translation with the fixing rod (1), intended to expand the sleeve (2). The sleeve (2) has a plurality of slots (9,9') widening towards the free end ... | 08/07/2001 |
| 6186695 | Dowels for securing objects to walls A dowel for securing objects to construction elements, in particular gypsum plaster boards, has an expanding dowel body with an inner bore into which a fastening crew can be screwed. In an insertion front area, the dowel body is subdivided into at least t... | 02/13/2001 |
