43results about How to "Increase the tensile load" patented technology

A premium threaded tubular connection including, on at least one threaded element, a distal abutment surface at the free end of a threaded element, and a lip sealing surface at a given distance from the threading. The lip includes an appendix that extends the lip towards its free end beyond the lip sealing surface so that the lip has both high radial stiffness and low axial stiffness. This results in enhanced performance as regards the seal of the threaded connection under pressure and/or under tension, and other advantages of precision of real makeup torque, mechanical strength in axial compression, a shock barrier effect, and tolerance in engaging the threaded elements.

A clamping fixture comprises a chuck (1) and a workpiece pallet (22) releasably located thereon. The chuck (1) is provided with a clamping mechanism for locating the workpiece pallet (22). The clamping mechanism comprises a plurality of clamping members configured as plungers (10). The workpiece pallet (22) comprises a clamping surface (28a) running essentially along its shell surface (26) for surface contacting the plungers (10) by its front part (12) provided with a compression surface (13) during clamping.

A seat restraint tensioner for a seat restraint system in a vehicle includes a cable having a first end and a second end. The first end is operatively connected to a seat restraint of the seat restraint system. The seat restraint tensioner also includes a movable mechanism connected to the second end of the cable to apply a force for tightening the seat restraint when activated. The seat restraint tensioner further includes a rotatable cam cooperating with the cable to generate a clamping force toward the seat restraint to clamp the cable between the cam and a clamping surface to prevent reverse travel of the cable after tightening the seat restraint.

A building frame resistant to earthquakes, gale-force wind loads, fire, insects and rot includes a peripheral frame wall constructed of rectangular steel tubing. Side wall frame modules and end wall modules bolted together along adjacent edges form the peripheral frame wall. Diagonal bracing is built into selected side and end wall modules as required for the desired degree of wind resistance. Trusses made of various size tube such as 2×3 inch rectangular steel tubing for supporting a roof, including a hip roof, on the peripheral wall, are assembled and welded in a welding shop and the prefabricated trusses and wall modules are trucked to the building site. Multiple stories may be erected and fastened together by anchor brackets arranged bottom-to-bottom above and below the second and higher floors. The building frame is secured to a foundation by attaching the anchor brackets to anchor bolts set in the foundation.

A Polyvinyl Chloride Threaded Pipe Joint System With Coupler & Wire Locking device comprising two pipe joining components, two sealing rings, including a wire lock, the said wire lock is component being inserted into the groove which locks the coupling with the one end of the pipe joint, the said coupling joining the both the ends using the threads, the said threads are made in the form of square type threads and the said sealing rings are fixed to the both the ends of the pipes and coupler.

Eyewear has a wire that encircles each of a pair of lenses respectively. A tensioning assembly can adjust and tension the wire. Two variations of tensioning assemblies are shown. One tensioning assembly has a spool on which a portion of the wire is wound. Another tensioning assembly has an insert that pulls a portion of the wire inwardly within a projection that extends outward from the lens.

A connecting socket for a filter hose has an inner part having a first contact surface extending in circumferential direction on the inner part and an outer part having a second contact surface extending in circumferential direction on the outer part. A contact section of a filter hose is contacting the first and second contact surfaces when secured on the connecting socket. The outer part has an outer sleeve that is pushed onto the inner part such that the contact section of the filter hose is clamped between the first and second contact surfaces.

An adjustable shock attenuating means comprises at least one arch element (1) and at least one tensile element (2) arranged between any two positions at a concave surface of the element (1) or between two ends of the arch element (1). This means further comprises at least one additional arch element (12) arranged intersecting with the arch element (1) or arranged with the arch element (1) side by side. The arch element (1) has a U-shaped cut-out (13, 14) at its two ends respectively and the tensile element (2) correspondingly has a connecting piece (23, 24) at its two ends respectively to be coupled with the U-shaped cut-outs (13, 14) of the arch element (1) with which the tensile element (2) is coupled with the arch element (1).

The invention discloses a light-weight method of a connecting rod with a rubber metal ball hinge. The rubber metal ball hinge is mounted in a joint at one end or two ends of the connecting rod, and the joint of the connecting rod is wrapped around the rubber metal ball hinge; a connecting rod body and the joint are made from a light-weight high-molecular material, a reinforcing body which is higher in strength than a light-weight base body material of the connecting rod body and the joint are embedded into the connecting rod body and a joint base body which are made from the light-weight high-molecular material, the light-weight connecting rod body and the joint which are manufactured in a composite mode by adopting the reinforcing body and the light-weight high-molecular material is wrapped around the rubber metal ball hinge, the reinforcing body bears the tensile load in the direction of the rod body, and the connecting rod body and the joint base body which are manufactured from thelight-weight high-molecular material bear the compressive load and the tensile load in the direction of the rod body, so that the overall tensile strength of the connecting rod is enhanced. Accordingto the light-weight method, two materials are compounded to manufacture the light-weight joint and the connecting rod body, so that the bearing capacity of a product in the main bearing direction isimproved, and the bearing and application range of a thrust rod is improved.

A plate link chain in the form of a conveyor chain comprising at least two chain strands that are disposed parallel to one another and are comprised of a sequence of inner plate members and outer plate members, wherein the inner plate members are provided with openings for receiving at least one sleeve for connecting the inner plate members of oppositely disposed chain strands, wherein the outer plate members are provided with openings aligned with the openings of the inner plate members to receive a link pin that extends through the sleeve and is fixed on the outer plate members, and wherein the inner plate members are comprised of at least two individual plates, one of which, of at least the inner plate members of one chain strand, is provided with angle brackets for the mounting of further chain components.

The invention discloses a plastic woven bag with high tensile load. The plastic woven bag is prepared from the following components in parts by weight: 50-70 parts of linear low-density polyethylene,22-25 parts of phenolic resin, 20-25 parts of polyoxymethylene, 2-5 parts of clay, 1-3 parts of alums, 2-3 parts of hexanediol diacrylate, 4-5 parts of actinolite, 1.5-3 parts of ferrocene, 1.5-2.5 parts of vanadium diboride, 0.5-1.5 parts of decabromodiphenyl ether, 1-3 parts of butyl tin oxide, 4.3-4.5 parts of dimethyl aminoethyl acrylate, 2-4 parts of montmorillonite, 2-2.5 parts of modified kaolin, 1.5-2 parts of mica, 1.5-2 parts of quartz powder, 2-5 parts of auxiliaries and 2-5 parts of added master batch. The plastic woven bag has high tensile load and high breaking strength, and effectively inhibits damages which are generated in processing and storage processes.

A diaphragm valve has a valve housing and a valve member movable relative to said housing. The valve member includes a diaphragm carrier that can be driven to execute a switchover motion having a sealing diaphragm mounted thereon, which delimits a valve chamber in which a valve seat is found. The sealing diaphragm has a sealing section opposite said valve seat belonging at least partially to a loose diaphragm section of the sealing diaphragm, which can lift from the diaphragm carrier to reduce the stress on the sealing diaphragm when said diaphragm carrier is removed from the valve seat during switching.

The invention discloses a triangular-section arc-shaped composite truss which is of an arc-shaped three-dimensional structure formed by connecting an outer chord member, a first inner chord member and a second inner chord member which are parallel to one another through a triangular-section web member assembly. A first outer diagonal web member, a second outer diagonal web member and an inner diagonal web member are diagonally arranged on the outer chord member, the first inner chord member and the second inner chord member between the adjacent triangular section web member assemblies respectively and are fixedly connected with the four-way joint, and each member is made of a carbon fiber composite material; the invention further discloses a preparation method of the triangular-section arc-shaped composite material truss. The large-radian composite material truss structure with the curvature is formed by connecting the web member assemblies with the triangular sections, the size precision is high, the loading performance is good, the truss structure achieves ultra-light weight, and modular connection of large composite material pipe trusses is achieved; the self-heating mold is adopted for preparation, curing equipment does not need to enter or exit, the quality stability of the arc rod piece is improved, and the size precision is high.

The invention relates to the technical field of agricultural plastic products and aims to provide an environment-friendly, high-strength and weather-resistant yellow and black mulch film and a preparation method. The yellow and black mulch film is in a three-layer composite structure including an inner layer, a middle layer and an outer layer. The inner layer is mainly prepared from low-density polyethylene, linear low-density polyethylene, black masterbatch and long-lived masterbatch. The middle layer is mainly prepared from metallocene polyethylene, linear low-density polyethylene, yellow masterbatch and long-lived masterbatch. The outer layer is mainly prepared from low-density polyethylene, linear low-density polyethylene, yellow masterbatch and long-lived masterbatch. The yellow and black mulch film has advantages that the yellow and black mulch film is a high-technology environment-friendly agricultural mulch film product specially designed for green non-pollution vegetable, melon and fruit planting and field crops, and the product with metallocene as a main material has advantages of high strength and ultralong service life and has functions of weeding, insect prevention andthe like by adoption of advanced three-layer co-extrusion equipment.

The invention discloses a modified fiber for wallpaper, and a production method thereof. The production method comprises the following steps: 1, mixing sodium silicate with a dispersant in the presence of a solvent, and carrying out water bath heating at 35-45 DEG C to prepare a mixture M1; 2, dropwise adding an aqueous solution of ammonium chloride to the mixture M1 prepared in step 1 under a 35-45 DEG C water bath heating condition, abandoning the obtained supernatant, and taking the obtained precipitate; 3, drying the precipitate, and calcining the dried precipitate to prepare granules; and4, adding the granules prepared in step 3 and a coupling agent to a water slurry containing fibers, and stirring and mixing all above materials at 60-80 DEG C for 1-3 h to produce the modified fiberfor wallpaper. The modified fiber produced through the above materials and the method can effectively improve the tension load of wallpaper made of waste paper pulp.