Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 3,404

Document Document Title
WO/1991/018215A1
A tapping screw (1) is screwed into a prefabricated hole (7) in a workpiece (6). The tapping screw (1) is provided with an adhesive layer (5) which covers at least part of the screw surface (2). When a tap is formed by screwing the screw...  
WO/1991/011632A1
A self-drilling screw (3) for securing, for example, wooden parts (2) to sheet metal, in particular wooden edge planks to roof framework metal plates, has a shank (4) with a drilling point (5) at one end and a driving section (7) at the ...  
WO/1991/011631A1
A platelike drilling bit (1) may be secured by interlocking or friction engagement in the shank (2) of a self-drilling fastener. At its end region towards its shank (2), the bit (1) has a flat extension (4) in the plane of the bit (1). T...  
WO/1991/011630A1
In a flat drilling bit (1) for insertion by interlocking or friction engagement in the shank (8) of a self-drilling fastening, there is a recess (14) in the cutting section projecting freely beyond the shank (8) in the fitting position. ...  
WO/1991/007599A1
Described is a screw-in dowel pin with a threaded conical section (4) and a pointed tip (5), and with a stop collar (6) adjacent to the threaded section (4). A head (7) on the stop collar (6) has a slot (13) in it, designed to take a scr...  
WO/1991/003609A1
A fastener/plate assembly (10) for fastening material to a roof deck (18) employs a threaded fastener (14) having a shank (46) with two thread sections (44, 48). The distal end portion (42) of the shank (46) has a thread (48) which is lo...  
WO/1990/015259A1
The invention is a flush head fastener (14) for joining two or more structural elements (10, 12) together. The structural elements have a fastener hole (18) therein with one of the structural elements (10) being countersunk to accommodat...  
WO/1990/011458A1
A self-tapping drill screw with a maximum thread diameter of approximately 6 mm can be screwed into a metal sheet (12) with a maximum thickness of approximately 1 mm. It comprises a slotted head (2) and a threaded shank (3) attached to a...  
WO/1989/007207A1
A self-driving, self-tapping screw for screwing into porous concrete has an outer diameter at least one and half times greater than the diameter of the root. The screw thread profile is asymmetrical about a plane perpendicular to the scr...  
WO1988005991A3  
WO/1988/005991A2
Fixing device (1) made from at least two sections (3, 4) of different materials, or of materials with varying grains or degrees of hardness, one being bound to the other by a process of stored-energy welding, the first section (4), which...  
WO/1988/003997A1
A fast tapping screw useful for fastening fiber plates on a metallic infrastructure has on the screw core (2) at least one thread (5). The screw core (2) finishes in a conical piercing point (3). On the conical piercing point (3) are sym...  
WO/1986/006449A1
Light gauge self-tapping sheet metal screw having a threaded shank (10, 12) and cap-type head (14), which head has a tool-engaging surface (19). Between the cupped recess (16) of the head and the shank are a plurality of pyramidal ribs (...  
WO/1985/005415A1
A wood screw is characterised in that its core (2) is generally cylindrical with a diameter which does not exceed that of a prebored hole, that it comprises two threads, viz. a main thread (3) and an auxiliary thread (4), of which the fo...  
WO/1985/004568A1
A fastener (20, 50), particularly for orthopedic use, structurally adapted to be driven into a member somewhat like a nail and to be secured therein by rotating the fastener through a predetermined angular displacement to secure threads ...  
WO/1985/001544A1
A device for the adjustable fastening of door or window frames or the like to fixed elements. The device has a screw means provided with a thread for engagement with the fixed element and a sleeve provided with a thread for engagement wi...  
WO/1984/002380A1
A screw usable as either a wood screw or a self-tapping screw comprises a two start helical thread (12) having a helix angle of 20o or more with an included angle to the thread profile at its crest of 40o or less. The threads are raised ...  
WO/1983/003187A1
Arrangement for detachably securing together the side-pieces (1) and the shelves (2) of a shelving structure, made of wood or a comparable material. The arrangement comprises hook-like fasteners, each of which comprises an insert peg (5)...  
WO/1982/000505A1
Tube screws for penetrating materials such as wood, metal and plaster boards to provide an anchoring for a fixing and/or joining such materials is characterised in that at least along its length there are provided external and internal s...  
WO/1980/000425A1
A thread forming screw (11) having a helical thread (18) and a tapered lead-in section (14) with a polygonal cross section is formed from a conventional blank (24) by rolling the blank between a pair of thread rolling dies (70) having me...  
JP2020169692A
To provide a tapping screw which can be screwed in with a low screwing torque, can be fastened with a high breaking torque, and is easy to manufacture, and a fastening structure thereof. A head portion 11, a lower neck portion 30 protrud...  
JP2020165486A
[Subject] It enables it to prevent a stripping phenomenon which arises when it thrusts into a construction site of a hard and weak Stone system and a formula anchor is screwed in superfluously. [Means for Solution] Fastening device F of ...  
JP6765673B2  
JP6757765B2  
JP6747578B2  
JP2020122307A
[Subject] After screwing a spacer for angle adjustment to a metal clamp face (for example, transom) by A taps for metal by the product made of resin, it prevents using A taps for the spacer by mistake a place which screws a sensor holder...  
JP2020112167A
To provide a drill screw for a thin plate in which proper fastening strength can be obtained by forming burring with the required height and continuously forming threads even in an extremely thin metal plate.Each of a drill part 2 for dr...  
JP2020109321A
To provide a wooden screw structure that can be smoothly and certainly screwed with a workpiece.A wooden screw structure is equipped with a start end head portion 1, and a rod body 2 continuously connected with the start end head portion...  
JP2020106063A
To provide flow drill screw which can form a female screw at comparatively low torque.A flow drill screw 1 is constituted of a head part 20, a screw part continuously formed at the head part, and having a screw thread at an external peri...  
JP2020106072A
To provide a screw in which screwing-in can be performed by a general-purpose driver bit and which is capable of suppressing occurrence of head crack by preventing an excessive fastening force from acting on the screw at a time point in ...  
JP2020519821A
A screw tip (4) which the present invention is a screw element (1) and was formed in a screw axis (2) and one shaft end, It is formed in a shaft end of the side opposite to, has the screw head (5) provided with a part for laborious works...  
JP6710417B1
[Subject] Even if it is a very thin metal plate, while forming barring of required height, the drill screw for thin boards which forms a screw thread continuously and with which suitable joint strength is obtained is provided. [Means for...  
JP6699997B2  
JP2020060246A
To provide a relatively long wood screw capable of reducing torque in screwing-in work to improve efficiency.A wood screw 1 is configured such that a drilling function part 4 is provided at the tip of a screw shaft 3 having a head part 2...  
JP2020051591A
To provide a drill screw in which a prepared hole is machined with excellent accuracy by stabilizing torque and thrust in drilling, and to provide a tightening method thereof.A drill screw 1 comprises a head 2, a shaft 3 integrally forme...  
JP2020509306A
It is a fixed assembly (10) for using it, when hanging an article, and has insertion composition (14) for insertion on articles, and attachment composition (12) for attaching insertion composition to a connector (104). A connector is con...  
JP6639421B2  
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...  
JP2020016276A
To provide a screw nail capable of screwing and striking, and a member fixing device.A screw nail 10 has: a shaft part 11; a head 21 which follows one end in an axial direction of the shaft part 11 and has a striking surface 22 on an upp...  
JP6638078B2  
JP6632683B2  
JP6629080B2  
JP6626231B1
[Subject] It is usable also as a bolt screwed in while removing a foreign substance which could use it as a Tappin screw and adhered to Female thread, A rise of screw torque can be controlled, and an yield of OFF powder can also be contr...  
JP2019536953A
A porous material provided with an axial part (2) in which it extended from a head (1) constituted so that torque might be absorbed to both the hand of cut centering on a principal-axis line (10), and a head (1), and an end of the side o...  
JP2019207003A
To satisfy a requirement of a machine screw unit which is high in a lock force to a metal-made waterproof foundation, and does not take a time and effort.A machine screw unit comprises a machine screw member 2 which is drilled into a wat...  
JP2019199937A
To enable deposits on the inside surface of a female screw to be scraped by screwing the female screw and a bolt, and to make a worker easily sense seating.A bolt with a shaft 2 and a head comprises: a first thread 11 provided on the hea...  
JP2019199934A
PURPOSE: To provide a drill screw that in order to connect metal thin plates, forms a burring of good quality and forms an inner screw of good quality in the burring, to connect metal thin plates with excellent durability.CONSTITUTION: A...  
JPWO2018174157A1
It is the conclusion structure which concludes a fastening portion article with a screw to the Lumber Division article, and the specific gravity of the Lumber Division article is 0.08g/cm.3It is 0.85g/cm above.3It consists of the followi...  
JP6606556B2  
JP2019532228A
[Subject] In order to connect two member layers, an advantageous method is provided especially. [Means for Solution] The present invention relates to a method for connecting at least two member layers (12, 14) with a connection element. ...  

Matches 501 - 550 out of 3,404