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JP2020020457A |
To provide a male screw member, a female screw member, and a screw fastening structure capable of restricting the oblique screw-in.A male screw member of the invention has a male screw part on the outer peripheral surface. In a cross sec...
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JP2020020402A |
To provide a fastening member that has high strength against delayed failure and fatigue failure.A fastening member 1 is screwed with other members by a helical ridge line 14 formed at a shank 10. The fastening member includes: an induct...
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JP2020012526A |
To provide a coating film peeling nut enabling a perfect fastening while peeling a coating film adhering to a male screw component.A coating film peeling nut of the invention is configured such that a notch 13 is formed on the inner surf...
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JP6629319B2 |
An apparatus for applying a thermoplastic powder to internal threads of a fastener includes a vacuum nozzle having an end adapted to engage a first surface of the fastener. A spray tube is sized to be inserted within the bore of the fast...
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JP6626227B1 |
To provide a screw capable of further reducing screwing torque and stabilizing electrical conductivity while ensuring peelability of a coating film or the like. In a screw in which a recess 7 is partially provided on a flank surface 131 ...
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JP2019536953A |
The head (1) configured to absorb torque in both directions around the main axis (10) and the end extending from the head (1) on the opposite side of the head are the tips ( Fixing element (100) for porous materials, especially balsa woo...
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JP2019203579A |
To provide a high tensile strength bolt having a novel screw shape, and a low-cost manufacturing method thereof.A bolt is composed of two components: a high-strength shaft part 1 and a low-strength soft steel nut 2, which eliminates the ...
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JP6609027B2 |
A tool arrangement with a screw-in tool and a tool receiver, the screw-in tool having a thread for engagement in a counter thread on the tool receiver. The counter thread and the thread have different thread contours and therefore, in th...
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JP2019190647A |
To provide a compact support bolt fastener that can be attached to the support bolt easily and can be manufactured easily.This invention relates to a fastener 5 in which a cylinder 7 is provided with an upper part 7a on which a bolt inse...
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JP2019183930A |
To suppress a large-diameter side end part of a taper female screw part from cracking, in a taper screw structure comprising a taper male screw part and the taper female screw part which engage with each other.A taper screw structure com...
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JP2019528410A |
The present invention relates to fasteners (10) for assembling at least two structural elements with holes. The fastener is the enlarged head (12) and the inner diameter of the hole (D) before mating.S) Larger outer diameter (D)1), And a...
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JP6584066B2 |
The present invention pertains to a fiber-reinforced resin screw 10, 20 formed using a resin composition wherein reinforcing fibers are included in a resin. The pitch P of the screw thread is 1.5-2 times the standard pitch corresponding ...
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JP6581979B2 |
The present invention provides a screw/bolt thread profile geometry that is particularly suited to forming a mating nut thread when the screw is inserted in to a plain diameter hole, in the anchor and rotated in a manner by which the thr...
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JP6580821B2 |
Fasteners are inserted into a stack of members and terminated with parts having at least one of a dry dielectric coating and an inner dry dielectric seal at select locations to protect against electromagnetic effects (EME).
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JP6579787B2 |
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JP2019148291A |
To provide a new fastening structure capable of reducing the generation of an arc itself.In a fastening structure 1 of the present invention, a first member 10 and a second member 20 are overlapped such that the central axes C of a first...
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JP2019148332A |
To provide a free rail bolt that is less likely to be removed once a screw is fastened.A free rail bolt has an adjustment thread for threadably member joint by a member L1 and L2 while a left side of the member L1 penetrates through a th...
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JP6566376B1 |
To obtain an initial axial force having a rotation torque less than an upper limit value when fastening and releasing are repeated, to suppress a decrease rate of the axial force to a low value, and to perform the first fastening at the ...
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JP2019138377A |
To improve assemblability upon coupling a male screw to a female screw, and also stabilize a frictional coefficient between the male screw and the female screw.Of at least one thread of a female screw 15a and a male screw 22a, on a slope...
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JP2019135397A |
To provide a shaft holder and a shaft supporting structure capable of reducing an occupied space, increasing holding power of a shaft, and easily processing a holder supporting body.A shaft holder 1 has a shaft insertion hole 5, a male s...
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JP6546787B2 |
To provide a waterproof screw which is easily inserted into a screw hole and makes a seal material less likely to be peeled.A waterproof screw 1 includes a screw member 10 including a shaft part 11 and a tip part 13 formed into a tapered...
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JP6534723B2 |
Fasteners are inserted into a stack of members and terminated with parts having at least one of a dry dielectric coating and a dry dielectric seal at select locations to protect against electromagnetic effects (EME).
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JP3221750U |
To provide a screw mechanism which has a simple structure, is easy to manufacture, has a low cost, is simple and can be connected at high speed. The female screw main body 1 having a female screw and the male screw main body 4 used in co...
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JP6533042B2 |
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JP6523660B2 |
A fixing element for components of an assembly, comprising a rod which is formed by a cylindrical shaft and an end, the rod being a metal component which is at least partially surface-treated by means of anode oxidation and coated over a...
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JP6526342B2 |
A thread-forming screw has a shank which, in a front region of the shank, has a tip for insertion into a bore in a substrate, and in a rear region of the shank, has a drive for transmitting a torque to the shank. The shank has a spiral-s...
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JP6511785B2 |
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JP6501578B2 |
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JP6490102B2 |
An object of the present invention is to provide a clock screw having a deep interference film blue color that contributes to decorativeness while also having superior scratch resistance and corrosion resistance, and a method for produci...
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JP3220481U |
To provide a spacer made of a metal material, which is less likely to cause galling. A spacer made of a metal material having a columnar main body portion has a male screw portion 2 or a female screw portion 3 at both ends of the main bo...
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JP6473451B2 |
An assembly producing a threaded connection, including first and second tubular components with an axis of revolution and each respectively including at one end at least a first continuous threaded zone following a first helix on an oute...
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JP6469888B2 |
The present invention provides a looseness-prevention screw thread structure including a screw thread having a predetermined pitch, a no-load flank which is an inclined surface in a direction in which the screw thread is advanced, and a ...
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JP6461594B2 |
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JP6461854B2 |
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JP6458981B2 |
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JP6452321B2 |
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JP2019002564A |
To improve bolts in conventional art, especially enhance safety in use, and increase holding force in an installed state.A bolt (10) comprises a head part (11) with an action part for tool, a shaft part (18) with at least one first screw...
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JP6448252B2 |
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JP3219392U |
To firmly fix a screwing member when it is screwed by a magnetic layer formed on the surface of a screwed portion of the screwing member, and to prevent the screwing member from being screwed securely and loosened, resulting in high util...
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JP6439329B2 |
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JP6440883B1 |
To provide a tapping screw which can improve idling torque by the shape of a screw thread. The tapping pin includes a head portion 10 and a screw shaft 20, and the screw shaft 20 has a screw thread for fastening while forming a female sc...
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JP2018197574A |
To provide a thread load-sharing type nut capable of distributing and sharing a fastening load on a thread from a fastening side to an opening side, to obtain stable fastening of screw parts of a bolt and a nut.A fastening nut includes a...
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JP2018536807A |
A member (1,2) having a thread (4,6), the thread having an increased play (δ) in the axial direction as compared with a standard thread, has a large prestress. It should be possible to turn the nut even with a given bolt and to allow a ...
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JP6435555B2 |
An electric conduction component fixation structure includes: a fixed member which has electrically conductive properties and on which an electric conduction component is arranged; and a press member that presses and fixes the electric c...
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JP6434364B2 |
A fastener system (10) for composite structure (30) providing electromagnetic energy protection has a shank (12) with a threaded portion (14) on a first end of the shank (12) terminating in a lead-in portion (18). A head (16) is present ...
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JP6433885B2 |
A trapezoidal thread form includes a thread having a trapezoidal cross-sectional shape, the thread including an apex surface, two side surfaces, and a valley; and a thread wear indicator formed in one of the apex surface and one of the s...
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JP6430906B2 |
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JP2018186636A |
To provide a solar cell panel installation frame capable of improving anticorrosion, weather proof, and workability, and a manufacturing method thereof.A solar cell panel installation frame 100 for supporting a solar cell panel 1, compri...
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JP6422176B2 |
Steel for a high-strength bolt contains: from 0.50 mass% to 0.65 mass% carbon, from 1.5 mass% to 2.5mass% silicon, 1.0 mass% or more chromium, 0.4 mass% or less manganese, greater than 1.5 mass% molybdenum, 0.03 mass% or less phosphorus ...
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JP3218506U |
To provide a fastener used for an iron structure constructed outdoors such as a transmission line steel tower, which has extremely high corrosion resistance and has a tough corrosion-resistant film and excellent adhesion. To do. A first ...
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