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JP3236896U |
To provide a technique excellent in fastening strength, anti-stripping effect and loosening suppressing effect in a drill screw for a thin metal plate used for a thin metal plate having, for example, about 0.4 to 1.0 mm. A drill screw ha...
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JP7037545B2 |
The invention relates to a method for connecting at least two component layers by means of a connection element. the invention to provide a particularly advantageous method for connecting at least two component layers lying on top of eac...
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JP7020321B2 |
A plate member joining structure includes a lower plate that is made of metal, a fitting base portion being formed at an upper surface of the lower plate; an upper plate that is made of metal, that is disposed on the upper surface of the...
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JP2022026389A |
To provide a molding chip adsorption screw which can adsorb molding chips which are generated at screwing to a workpiece.A molding chip adsorption screw is composed of a head part 2, a male screw part 10 integrated with the head part 2, ...
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JP7016852B2 |
A wood screw that includes a head (1) and a shank (2) is revealed. The shank (2) is formed by a main shank portion (21) and a tapered portion (22) whose diameter is smaller than that of the main shank portion, the main and tapered portio...
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JP6994759B2 |
To provide a fixation device capable of improving both of fixation strength and workability, and a fixation method using the fixation device.A fixation device comprises: a bolt member 2 to which the fixed object 200 is connected at one e...
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JP6992075B2 |
A securing assembly (10) for use in suspending an article, the securing assembly comprising an insertion arrangement (14) for insertion into the article, and an attaching arrangement (12) for attaching the insertion arrangement to a conn...
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JP6967769B2 |
To provide a machine screw capable of suppressing scattering of fine chips.A machine screw 1 capable of being fixed to a metal substrate in a screwed manner, comprises a resin layer 5 covering at least a tip of a shaft part 4, being a so...
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JP2021530657A |
This fastening member (1) intended to assemble the first component (3) and the second component (5) includes a main body portion (A) extending in the longitudinal direction along the shaft (A) and a fastening member (1). ) Is provided wi...
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JP6958365B2 |
A fastening structure includes: plural overlapping co-fastened members, a clearance hole being formed at at least one mating face of mutual mating faces of the plural co-fastened members, and a screw utilizing frictional heat to bore a h...
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JP2021527786A |
A threaded part (10) that cuts a mating threaded portion into a plastic article, and includes a threaded portion lower portion (F) and a threaded portion upper portion (T), and the threaded portion lower portion has a diameter larger tha...
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JP2021139389A |
To provide a metallic screw in which, even if a metal of which the natural potential is electropositive with respect to a metal material which is a fastened member is used as a screw, hydrogen embrittlement caused by hydrogen atoms which...
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JP6928955B2 |
To provide a drill screw capable of preventing chips from biting into a gap between a cut hole and a screw shaft part screwed into the cut hole, to perform screwing-in work smoothly.A drill screw 1 is configured such that a drill part 3 ...
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JP3233701U |
To provide a fixture which utilizes an auxiliary drill cutting action generated at an initial stage, reduces the resistance and torque of drill cutting at the time of screwing, increases the screwing speed, and greatly enhances the fixin...
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JP2021520476A |
Drilling bolt and nut assembly with drilling bolts and grooved nuts for mounting rigid panels. The drilling bolt has a columnar thread portion, a male thread diameter, a female thread diameter, a drill bit portion, and a non-thread porti...
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JP6917105B2 |
To provide a drill screw capable of being screwed into a mating member composed of carbon fiber reinforced plastics (CFRP) without damaging it.This invention relates to a drill screw comprising a head part 2, a shank part 3, a thread 4 f...
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JP3233356U |
To provide a screw for building wood, which is hard to be pulled out from thin wood due to aging and has increased pull-out strength. The pitch of threads 8 is 3.0 mm to 6.0 mm, and the apex angle of the threads is 40 ° to 65 °. By for...
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JP6912643B1 |
To improve fastening strength and anti-loosening effect while simplifying a structure in a fastener for fixing a soft material such as a heat insulating material to a base material such as a deck plate. A fastener is composed of a screw ...
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JP6909380B2 |
To provide a connection structure capable of connecting without using a counterbore, an adhesive and the like at all when connecting wooden plate bodies using a lag screw bolt.A bolt body 1 buried in a connection end portion of a wooden ...
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JP2021099110A |
To provide a screw that can maintain a fixing strength even for a thin plate.A screw 10 includes: a male screw part 14 with a helical projection 16; and a tapered part 18 located on a tip side from the male screw part 14. The helical pro...
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JP6894592B2 |
To provide a rolling die for a self-drilling screw which can smoothly perform screwing-in and can effectively prevent crack occurrence in a woody member.A die 11 for rolling a self-drilling screw in which on a portion provided with a thr...
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JP2021515848A |
The present invention is a method of manufacturing a bimetal screw having a tip element and a driving element, 0.07 to 0.14% by weight carbon, 13 to 15% by weight chromium, 1.3 to 1.7% by weight molybdenum, 1.5 to 2.0% by weight. A first...
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JP6887290B2 |
To inhibit a tapping screw portion screwed into a mounting hole of a housing from rotating in a loosening direction in an on-vehicle part with a base end portion of a stud bolt buriedly fixed to the housing.With respect to a tapping scre...
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JP2021513033A |
The present invention is a self-perforated wall plug (1) for screwing into a lightweight building material, especially a lacquered wall, with a sleeve-shaped plug body (4) surrounded by a cutting thread (2). At least one cutting tooth (1...
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JP6872455B2 |
To provide a self-tapping screw capable of being placed into a ceramic or stone-made material to be fixed, and capable of fixing a fixation member to the material to be fixed, and a fixation method using the self-tapping screw.A self-tap...
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JP2021055778A |
To provide a screw fastening structure that never loosens under a thermal environment with respect to a fastening body or a fastened body composed of a thermoplastic resin, and realizes weight reduction.A screw fastening structure is com...
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JP6816855B2 |
In an impact-driven threaded nail, a thread has a steep lead angle of about 45° in order to attach a material with the nail by hitting a nail head and causing the threaded nail to rotate. When external force is applied in a direction to...
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JP2020204348A |
To provide a screw fastening structure which can suppress a screw from loosening without using a screw lock agent.A screw fastening structure in which a rotary member 12 is fastened to a body member 11 using a male thread 15, includes a ...
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JP6799424B2 |
To provide a stainless tapping screw capable of attaining self-tapping fastening for an opposite material having higher rigidity than a raw material constituting the tapping screw.A tapping screw includes: a screw body having a core part...
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JP2020169692A |
To provide a tapping screw and its fastening method, capable of being screwed with low screwing torque, fastened with high fracture torque, and easily manufactured.A tapping screw 10 is composed of a head portion 11, and a shaft portion ...
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JP2020165486A |
To prevent a stripping phenomenon which occurs when a screw-in anchor is excessively screwed into a hard and fragile stony construction site.A fastening device F is configured by combining a screw-in anchor 1 and a pressing screw tool 2....
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JP6765673B2 |
To provide a self-drilling rivet capable of easily performing both drilling and fastening for an object to be drilled as a series of processing and fastening it without breaking a mandrel, and provide a rivet fastening tool for the faste...
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JP6757765B2 |
To provide a fastening member which makes a joining portion possess vibration control performance and vibration resistance, and can maintain a join when vibration further continues by the instantaneous application of a large impact such ...
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JP6747578B2 |
A fastening structure for fastening a to-be-fastened component to a wooden component by using a screw, wherein the wooden component is made of wood having a specific gravity of 0.08 g/cm3to 0.85 g/cm3inclusive, the screw has a nominal di...
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JP6710417B1 |
To provide a drill screw for a thin plate capable of forming a burring of a required height even with an extremely thin metal plate and continuously forming a screw thread to obtain an appropriate fastening strength. A drill portion 2 fo...
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JP6699997B2 |
To provide a screw nail capable of surely preventing infiltration of rainwater into a sheathing roof board by checking the infiltration of the rainwater into a nail hole of a tile as much as possible and improving extraction bearing forc...
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JP6639421B2 |
A compression indentation fastener device is described comprising a shank and a head. The head extends outwardly from an end of the shank in a transverse plane to define a head periphery. The head has an anterior side and a posterior sid...
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JP2020015071A |
To insert a male screw into a hole part without any inclination while increasing an amount of projection by burring and reliably fasten the male screw.A fastening structure includes a hole part with a burring part where female screw is f...
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JP6638078B2 |
A thread element mode of plastic, a connection assembly consisting of a support part made of plastic into which the thread element made of plastic has been screwed by creating a counter-thread, a method for manufacturing the connection a...
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JP6632683B2 |
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JP6629080B2 |
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JP6626231B1 |
To suppress an increase in screwing torque and suppress the amount of chips generated by being able to be used as a tapping screw and also as a bolt to be screwed while removing foreign matter adhering to a female screw. Further, when a ...
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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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JP6606556B2 |
The invention relates to a fastening element, comprising an insertion segment for inserting into a bore, having a self-tapping threaded segment having an external thread for screwing and tapping into the bore on a fastening object, and c...
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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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JP2019158008A |
To improve fixing force needed for fixing a resin foam.A fixture A includes: a shaft part 10; a spiral male screw part 20 provided at an outer periphery of the shaft part 10; and a flange part 30 provided at the base end side of the shaf...
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JP2019525100A |
Thread rolling and self-locking fixtures are provided. A male screw for screw rolling is arranged along the shaft of the fixture. A discontinuous core screw is also disposed on the shaft. [Selection diagram] Fig. 3A
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JP2019120396A |
To improve a wood screw end and to prevent a wood from being cracked when the wood screw is screwed because the wood is often cracked when the wood screw is screwed into wood or the like.A half or so of a wood screw end 2 is shaved off s...
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JP2019113111A |
To provide a member fastening structure capable of fixing a member to be fastened to a mating material made of resin even when an insertion nut is not used.A member fastening structure 1 has a tapping screw 10 comprising a head part 11, ...
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JP3221687U |
To firmly fix a hook to a base of a gypsum board. According to the present invention, a hook portion 1 for hanging an object and a screw portion 2 are integrated, and the length of the screw portion 2 penetrates the gypsum board 4 and is...
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