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7572089 |
Spring fastener having stabilizing barbs
The present invention pertains fasteners with critical configuration of the barbs, which allows the fasteners to be used in slots of various widths and panels of various thicknesses, and prevents...
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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 )...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6152667 |
Blind aperture fastener
The fastener includes a stud with a post element, a cylindrical inner sleeve with inwardly extending half-hemispherical bosses immediately adjacent to outwardly extending half-hemispherical bosses,...
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6079922 |
Threaded insert with flange tabs
An insert for plastic sections is manufactured from a flat strip of metal by high-speed progressive die-stamping, which forms the strip into a threaded female insert. The metal strip is first cut...
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5927920 |
Progressively-formed threaded insert
An insert for plastic sections is manufactured from a flat strip of metal by high-speed progressive die-stamping which forms the strip into a threaded female insert. The metal strip is first cut...
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5919017 |
Expansion anchor
An expansion anchor including a sleeve-shaped anchor body (1, 21, 31, 41) having a through-bore (6, 26, 36, 46), an expansion region (4, 24, 34, 44) with longitudinal slots (5, 25, 35, 45) and a...
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5873690 |
Thread nut expansion fastener
A barrel nut type fastener (100) is provided for securement within an opening (20) to a panel ("P") by a threaded member ("T") that when rotationally advanced through the barrel nut causes...
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5807050 |
Sheet metal anchor
An anchor for a bolt formed of a single strip of sheet metal includes a pair of opposed shell portions having helically aligned connecting strips. The shell portions extend from a bottom end of the...
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5791845 |
Screw anchor for drywall and blind holes
A device for anchoring a threaded fastener in a drywall or blind hole is molded in one flat piece having two half cylinders joined by a thin frangible hinge. Each half-cylinder carries half of a...
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5765979 |
Impact-type anchor
The impact-type anchor (1) consists of a metal sleeve (2) provided with a throughgoing passage (3) tapering towards a leading end of the sleeve, into which bore an expander body (5) can be driven...
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5725343 |
Sealing fastener
A sealing fastener, which expands by the insertion of preferably a screw. The fastener comprises a substantially flat and two expandable legs. The head has an upper side and a lower side,...
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5704752 |
Zero insertion force rivet device
The invention relates to a rivet device. The device is characterized in that it comprises a substantially cylindrical tubular body (10), an annular collar extending outwards from the first end of...
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5634750 |
Expansible anchor
An expansible anchor for anchoring in a hole drilled in a component has a shank having a rear end provided with a structure for fixing an article and a front end provided with at least two portions...
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5523142 |
Metal fixation insert for a plastic part and part including such an insert
The invention relates to a metal fixation insert for stiffening the fixation zone of a part of plastic material on a support. This metal fixation insert is made of rolled steel which is perforated.
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5494392 |
Encapsulating grommet
An encapsulating grommet for use with a push-pin for retaining a covering panel or other structure to a supporting panel is molded in an open condition and includes a hinge portion which permits...
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5443343 |
Metal dowel for anchorage in thin wall panels
A metal dowel for anchorage in a wall panel, said dowel being made from a folded blank of sheet metal and comprising a pair of flat leg members folded over at one end to lie flat against each...
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5419664 |
Expansible anchor and method of making same
The expansible anchor consists of a shank having a threaded portion for fixing an article at its rear end and a reduced cross-sectioned portion with an adjoining expander cone at its front end,...
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5387060 |
Tubular mining bolt
The present invention is a system for supporting rock within a mine having a bore hole. The system comprises a mining bolt having a round metal tube which has a completely hollow interior and all...
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5314278 |
Expansible anchor
An expansible anchor for anchoring of an article to a component includes a shank having a portion of reduced cross-section at a front end, elements for fixing the article at a rear end, an...
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5261772 |
Device to connect detachably two components
A device to detachably connect two, e.g., plate-shaped subassemblies, includes a control element with a projecting retaining portion which can be inserted into aligned openings of the subassemblies...
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5238343 |
Connecting element
A connecting element for joining a structural part with an adjacent structural part has several sleeves (71, 72) provided with respectively one cutout (77) and one extension (74) wherein in each...
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5219452 |
Screw or nail sustainer for mounting objects to a drilled hole in a wall
A screw or nail sustainer comprising a tube having a chamber for inserting a screw or nail into a base opening of the chamber, at least one fluid flow opening formed with a base portion of the tube...
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5193957 |
Fixing element with an expansible sleeve
The fixing element for securing an article on a base material includes a shank having a shank portion for receiving an article to be fixed, a reduced diameter portion having opposite ends including...
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