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| Number | Title | Issue Date |
| 8105004 | Hybrid composite-metal male fasteners A composite metal male fastener is provided. The metal fastener includes an elongate hollow shell made of metal. The shell includes a threaded exterior for insertion or retraction from the threads of a female fastener. In addition, the shell element includes a centr... | 01/31/2012 |
| 7993087 | Threaded member with antirust effect The present invention provides a threaded member with antirust effect. An oil reservoir is formed inside the threaded member and multiple conduits are formed on an outer circumference of the stem body of the threaded member in communication with the oil reservoir. A... | 08/09/2011 |
| 7976258 | Screw and screw fastening structure There is provided a screw treated by a chemical conversion coating of trivalent chromium having a torque characteristic approximately equivalent to a screw of a hexavalent chromate treatment. For the purpose, on a surface of a bolt, a zinc plating layer is formed by... | 07/12/2011 |
| 7878748 | Threaded fasteners with ribbed shanks A metal bolt or cap screw fastener has a head, a shank of reduced cross section and a threaded portion, which fastener is configured to be manufactured using cold forming automatic bolt making machines of concurrent configuration. The reduced cross section shank pro... | 02/01/2011 |
| 7824142 | Fastening element A fastening element has a core zone (14) formed of a relatively hard carbon steel, a skin zone (17) located outwardly of the core zone (14) and formed of a first low-carbon austenitic steel alloyed with a first alloy metal, and an intermediate z... | 11/02/2010 |
| 7367768 | Deck screw and installation method for composite lumber A deck screw and an installation method is intended for use with composite lumber, although it can be used with other products. The deck screw may be provided with a head and a shaft that has two regions of varying diameter. The upper region has threads that exceed ... | 05/06/2008 |
| 7357726 | Method of producing a fibre reinforced structural element A method of producing a fibre reinforced structural element including a plurality of fittings for the fixation of the element to another structural element, includes the steps of: (i) providing a core element of fibre reinforcement material having an end part; (ii) ... | 04/15/2008 |
| 7338243 | Thread-cutting screw A thread-cutting screw (1) serves for being screwed into the bore-hole wall (1a) of a bore-hole (1b). It comprises a substantially cylindrical core (2) of metal which has a central longitudinal axis (4), a thread (... | 03/04/2008 |
| 7334374 | Stucco sheathing fastener A fastener including a body having a predetermined axial length, wherein the body includes a screw head at one axial end of the body, a threaded portion at an opposite axial end of the body and an unthreaded shank portion extending between the screw head and the thr... | 02/26/2008 |
| 7329077 | Fastener apparatus for roofing and steel building construction A fastener apparatus includes a frusto-hemispherical head portion having a flat top surface, a curved outer surface, a base portion, and a peripheral edge, with the flat top surface bearing a tool fitting. A downwardly-depending lip portion extends from the head per... | 02/12/2008 |
| 7326015 | Electrically insulated wedge thread connection An electrically-insulative threaded connection includes a pin member having a pin thread and a box member having a box thread. An insulating composite layer is disposed between the pin thread and the box thread. The insulating composite layer includes an insulating ... | 02/05/2008 |
| 7293947 | Screw having a knurled portion A fastener for securing particle or bulge producing materials, a method of manufacturing the fastener, and a method of using the fastener are provided. The fastener has a thread on a shank, and a knurled portion disposed between the thread and a head. The fastener a... | 11/13/2007 |
| 7249923 | Flexible fastener This invention relates generally to a flexible fastener for coupling members. In a preferred embodiment, the flexible fastener may be used to couple members that are non-parallel, non-aligned, or in specific instances when selective compliance in a member is desired... | 07/31/2007 |
| 7222830 | Right angle bracket A bracket for securing an elongated support member elevated against a wall or adjacent a ceiling for attachment of a window or wall covering, is described. The bracket comprises a single flat metal piece bent to form a top horizontal flange and an integrally formed ... | 05/29/2007 |
| 7189045 | Deck screws suitable for use with composite lumber A deck screw is intended for use with composite lumber, although it can be used with other wood products, such as pressure treated lumber. The deck screw has a head and a shaft that has two regions of different diameter. The upper region has threads that exceed the ... | 03/13/2007 |
| 7153075 | Press fit fastener and method of producing it A press fit fastener (1) includes a shank (2), a head (3) and a press fit portion (4) being located at the shank (2). The head (3) is located at the first end of the shank (2). The press fit portion (4) include... | 12/26/2006 |
| 7152699 | Connection rod and method for production thereof A connection rod (1) for rock drilling includes a first rod part (2) whidh has an external thread (4) provided at one end thereof, wherein the end of the rod opposite to the one end includes an end portion (6) which carries an internal th... | 12/26/2006 |
| 7150594 | Hybrid fastener apparatus and method for fastening A composite fastener and method for fastening structural members are provided. The fastener is formed at least partially of a composite material. For example, at least one component of the fastener can be formed of a composite material and the remaining components o... | 12/19/2006 |
| 7140825 | Self tapping bolt A self tapping bolt which fastens a mounting member and a receiving member while the bolt cuts internal threads on an inner surface of a tap drill hole prepared in the receiving member. The bolt includes at least one groove formed near an end of a threaded portion o... | 11/28/2006 |
| 7108607 | Helical groove fasteners and methods for making same Helical groove fasteners and methods for producing the same are provided for use in systems requiring fluid passage through the fastener. In one embodiment, the fastener includes a shank, a head, a threaded portion, and at least one groove extending through at least... | 09/19/2006 |
| 7083647 | Fixation screw, graft ligament anchor assembly, and method for securing a graft ligament in a bone tunnel A fixation screw, graft ligament anchor assembly, and method for fastening a graft ligament in a bone tunnel. The screw comprises an elongated shank having a distal end and a proximal end, and a central axis extending from the distal end to the proximal end. Screw t... | 08/01/2006 |
| 7059816 | Nut plate The invention provides a rivetless nut plate including a nut, a holding bracket having tubular and bracket portions, and a stem having an enlarged head. The stem is positioned within an aperture of the tubular portion such that the head is resting on a shoulder with... | 06/13/2006 |
| 7040850 | Fastener for use with frangible material A metal fastener for frangible material has a threaded shank, a head proximate one end of the shank and a tip at the opposite end. The fastener has a coarse pitch and relatively large ratio of major to minor diameters suited for securing the fastener into frangible ... | 05/09/2006 |
| 7021877 | Self-tapping screw The invention relates to a self-tapping screw, whose threads, in a rear area (facing the head), have a substantially cylindrical external diameter and, in a front area (facing away from the head), extend with an external diameter which decreases towards the end of t... | 04/04/2006 |
| 7018154 | Paint spray gun This invention is directed towards a paint spray gun having a gun body with a male thread and having an air nozzle ring with a female thread which can be screwed onto the male thread of the gun body. The diameter of the thread is between about 30 and about 40 mm. Th... | 03/28/2006 |
| 7018496 | Curable mechanical fasteners Curable mechanical fasteners of the invention comprise a fastening surface comprising a curable material, wherein the fastening surface is capable of being repeatedly attached and unattached to a complementary fastening surface, and when attached to the complementar... | 03/28/2006 |
| 6979163 | Push-in removable fastener A plastic push-in or drive fastener having a enlarged head and a shank is disclosed. The fastener is configured to allow the shank to be pushed through a complementary shaped aperture or opening in an article using a relatively low insertion force. A helical screw o... | 12/27/2005 |
| 6955513 | Flexible fastener This invention relates generally to a flexible fastener for coupling members. In a preferred embodiment, the flexible fastener may be used to couple members that are non-parallel, non-aligned, or in specific instances when selective compliance in a member is desired... | 10/18/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6910841 | Thread-forming screw A thread-forming screw includes a head and a shank, the shank having a thread and a thread-forming zone at the end opposite to the head, the thread-forming zone also having a thread portion. The shank at the end opposite to the head has a spherical portion with a ma... | 06/28/2005 |
| 6908275 | Fastener having supplemental support and retention capabilities A fastener, such as a nail, screw, etc., which possesses supplemental support and/or retention capability is provided. The fastener includes an elongated auxiliary member secured interiorly to, exteriorly to, or along the shaft of the fastener. The auxiliary member ... | 06/21/2005 |
| 6905501 | Bone connecting device and method of manufacturing the same The present invention provides a method for producing a bone joining device having a head portion, the method comprising the step of press-molding a (primary) molded article to form a head portion, and a bone joining device having a head portion, wherein the molecul... | 06/14/2005 |
| 6887023 | Screw with protruding sheets on head portion A screw with protruding sheets on a head portion comprises a thread portion; a screw tail at one end of the thread portion, a slot formed on the screw tail; a plurality of screwing sheets formed at another end of the thread portion; a plurality of recesses formed be... | 05/03/2005 |
| 6874986 | Self-tapping fastener A self-tapping screw (1) consists of two interconnected sections (7 and 8) of stainless material. The first section (7) comprising the tool access (4) and the thread (6) consists of stainless, austenitic steel and the second... | 04/05/2005 |
| 6846142 | Screw for screwing into a material of low strength Screw made of plastic for screwing into a material of low strength, e.g. rigid foam plastic, having a deep thread compared with the screw shank, the screw shank running out conically into a screw point. The screw has the following features: 1. the depth... | 01/25/2005 |
| 6817817 | Fluid-tight, adjustable and self-locking threaded connection assembly A fluid-tight, adjustable and self-locking threaded connection assembly comprising a nut and a bolt. The nut which is adapted to be fixed to a first structural member has a bore comprising a threaded portion and a smooth cylindrical portion. The bolt which is adapte... | 11/16/2004 |
| 6749611 | Bone screw, particularly for use with external fixators in fracture stabilization The invention relates to a bone screw, particularly for use with external splints in fracture stabilization, comprising an elongate cylindrical body (2) of predetermined length and diameter tapering into a threaded end portion (5) which terminates with... | 06/15/2004 |
| 6572316 | Screw with thin head A screw with a thin head comprising a screw head (2) and a shank (4), and with its top (5) forming a circular arc of a large radius has an unthreaded part (20) tapered down between the bearing surface (6) and the thread (3) and has a radius (21) connected... | 06/03/2003 |
| 6557580 | Self cleaning irrigation valve with offset manual on actuator, body/bonnet alignment, and captured screws An irrigation valve comprises a valve housing made from a valve body joined to a valve bonnet by a plurality of attachment screws. The valve body and valve bonnet have an alignment rib received in an alignment notch when the body and bonnet are joined tog... | 05/06/2003 |
| 6503038 | Reduced shank external flow passage bolt with integral pilot A specially designed bolt fastens together two parts of an engine and in particular can fasten together two components of a rocker arm assembly. The bolt is in a bore passing through the two components. The bolt has a full-diameter pilot that closely fits... | 01/07/2003 |
