262results about How to "Increase the pressing force" patented technology

A setting tool for driving in fastening elements includes a drive piston (13) displaceable in a piston guide (11) between its initial (32) and setting positions, and device for returning the drive piston (13) in its initial position upon completion of a setting process and having an electromotive drive (30) and a transmission (20) for transmitting a motive actuating torque to the drive piston (13).

The invention relates to an element (10) for sealing two parts (2, 3) that can be rotated in relation to one another. Said element comprises at least one first sealing ring (11) consisting of a permanently elastic material, which is fixed to one of the two rotatable parts and comprises at least one sealing lip (21) and at least one second sealing ring (12), which is fixed to the other rotatable part and comprises a strip (19) consisting of another material that runs along its periphery. At least one sealing lip of the first sealing ring lies against said strip.

The invention discloses a force-limited compression release mechanism. The invention can realize segmental compression of large flexible solar wing sun blankets, and meet the requirements of different compression forces inside the solar blanket and solar blanket box boards. The present invention includes a pressing assembly and a base assembly, wherein the pressing assembly includes a pressing rod, a lock nut, a separation spring, a spring sheath, an escape cap and a mounting seat for the pressing rod, and the base assembly includes a pyrotechnic separation nut , Positioning guide column, force limiting screw, lock nut and separation nut mounting seat. When compressing the solar blanket, the compression rod is connected with the pyrotechnic separation nut, and the compression force is loaded through the lock nut to realize the connection between the upper and lower box plates and apply the compression load; when the internal compression load of the solar blanket reaches the required value , through the force limiting screw to prevent the compression force from being further transmitted to the sun blanket; the lock nut continues to load, and the compression force of the secondary load is transmitted to the force limiting screw to achieve a higher pre-set between the upper and lower box panels of the sun blanket Tight load requirements.

The invention relates to a pneumatic wheel brake for a vehicle, wherein the wheel brake has at least one brake lever (11) that can be operated by a compressed air cylinder (10) and a brake application device (20) that can be operated by the brake lever (11), wherein by means of said brake application device a first brake element (1) can be pressed against a second brake element (2) when the brake lever (11) is operated, and the wheel brake has an actuating device (3) that can be driven by an electric motor, wherein by means of said actuating device force can be applied to at least parts (7, 8, 9) of the brake application device (20), at least when the brake lever (11) is not operated, and thereby the first brake element (1) can be pressed against the second brake element (2). Furthermore, the wheel brake has a spring accumulator element (4), which is arranged outside the compressed air cylinder (10), wherein force can be applied to the spring accumulator element (4) by the actuating device (3) that can be driven by an electric motor and force can be applied to at least parts (7, 8, 9) of the brake application device (20) by the spring accumulator element, at least when the brake lever (11) is not operated, and thereby the first brake element (1) can be pressed against the second brake element (2).

In blanking holes in plates that comprise a chain, in order to improve the fatigue strength of the chain, a press-punched plate prepared hole, trumpet-shaped, is shaved and made into a straight hole, both ends of the straight hole are chamfered, and further, a multi-step burnishing punch composed of a plurality of annular convex portions at predetermined intervals is pressed into the straight hole, improving the dimensional accuracy of the hole and the smoothness of the hole wall and producing compressive residual stress in the hole wall.

The present invention relates to a pressing device (14) used for the conical ring speed changer (1), the speed changer includes two cone friction wheels (2, 3) and a friction ring (8) arranged between the two cone friction wheels (2, 3), the pressing device is provided with a mechanical pressing unit (15) and a hydraulic pressing unit (16), wherein the mechanical pressing unit (15) exerts one pressing force to at least one cone friction wheel (3) in order to cause the cone friction wheels (2, 3) impacting with each other at the condition that the friction ring (8) is used, the device is characterized in that the mechanical pressing unit (15) does not exert pressing force or obvious-diminished pressing force when the hydraulic pressing unit (16) is in the non-pressure position.

The invention relates to a roller blind arrangement, in particular for use in a vehicle, with a winding shaft ( 10 ) which extends in a main direction of extent ( 2 ), is in the form of a hollow tube and is intended for receiving an unwindable flexible sheetlike structure, a winding spring ( 12 ) which is inserted into the winding shaft ( 10 ), is designed as a helical spring and extends in the main direction of extent, and a damping profile ( 20 ) which extends in the main direction of extent ( 2 ) and is arranged in an annular space ( 16 ) between the winding shaft ( 10 ) and the winding spring ( 12 ). According to the invention, the damping profile ( 20 ) is designed in such a manner that it bears with outer contact sections ( 24 ) against an inner side of the winding shaft ( 10 ) and with inner contact sections ( 22 ) against an outer side of the winding spring ( 12 ). Use, in particular roller blind arrangements in vehicles, for example for coverings of the boot.

The invention belongs to the technical field of textile fabric processing, particularly relates to a composite device for textile fabric processing, and provides the following scheme for solving the problems that glue can be fully released between two layers of fabric only through conveying of multiple rollers, protrusions can be generated in a glue enrichment area, and the fabric composite quality is affected; the composite device comprises a rack; a supporting frame is fixedly mounted at the top end of the rack, a supporting platen is fixedly mounted at the top of the rack, and guide rollersare mounted at the two ends of the top of the supporting platen through bearings. According to the invention, the rotating direction of a flat pressing roller is opposite to the moving direction of cloth, so that surplus glue between the cloth on the two sides is always pushed backwards, the flatness of composite processing of the textile cloth is improved, and the surplus glue is discharged fromthe side surface and falls onto the supporting platen to be discharged in the translation and rolling process; the situation that the composite cloth is different in thickness due to local glue enrichment is reduced, and the processing quality of the composite cloth is improved.

The invention relates to the technical field of preparation of fireworks and crackers, in particular to a production process of the fireworks and crackers. The production process of the fireworks andcrackers comprises the following steps that A1, materials are selected, specifically, smooth paper with uniform texture is selected; A2, gluing and coiling are performed, specifically, the selected paper is conveyed into a coiling machine through a conveying belt, the rotation speed of the coiling machine is 1400 turns each minute, the paper is coated with glue while being coiled, and the paper iscut off after being coated with the glue; A3, drying is performed, specifically, the cut-off paper is irradiated in sun or dried for standby; A4, mud selection is performed, specifically, yellow mudwith high viscidity is selected, ground into powder after being dried, and then screened; A5, charging into coils is performed, specifically, the screened yellow mud is charged into the coils cut in the step A2 through a pressure machine; A6, gluing and threading are performed; A7, the coils are irradiated in sun to be dried, specifically, the fireworks and crackers subjected to pot threading in the step A6 are aired in a sunlight greenhouse, and the moisture content of the dried yellow mud is 10%; A8, black powder is added; and A9, the fireworks and crackers are boxed and delivered. The fireworks and crackers produced according to the method are not prone to deformation and small in pollution to the environment.

The invention discloses an enhanced thermoplastic composite pipe buckling and pressing joint, which comprises a core pipe and an outer pipe, wherein both the core pipe and the outer pipe are L-shaped and are arranged in parallel to each other; the horizontal section of the core pipe is a core part, and the vertical section of the core pipe is an inner connecting piece; the horizontal section of the outer pipe is a buckling and pressing sleeve, and the vertical section of the outer pipe is an outer connecting piece; and a gap is formed between the inner connecting piece and the outer connecting piece. The invention also discloses a connection method using the joint. By buckling and pressing the pipe wall of a composite pipe and clamping the flanged end edge of the composite pipe, double buckling and pressing effects can be realized. The joint has a simple structure and is convenient to connect and operate; and the stability and the reliability for use are greatly improved.

The invention relates to a casting machine (1) for casting a flowable mass (M), in particular a flowable mass with suspended solid particles. Said casting machine comprises a mass container (2) for receiving the flowable mass and at least one valve (32, 42; 50; 60; 70; 80; 90; 100; 110; 120) that is fluidically connected to the inner area of the mass container. When the pressure changes in the direction of the valve along the valve passage, said valve is in the open state and in the absence of a pressure change in the direction of the valve passage, said valve is in the closed state. The casting machine also comprises pressure generating means (3, 4, 5, 6, 32, 42) for generating a change in the pressure in the direction of the valve passage. Said valve (50; 60; 70; 80; 90; 100; 110; 120) comprises a valve body (51; 61; 71; 81; 91; 101; 111; 121) comprising a valve opening and at least one valve cover (53; 64; 76; 83; 94; 105; 115; 128) that is oriented towards the valve opening, articulated on the valve body and is subjected to an elastic prestressing that presses the valve cover against the valve opening and seals it. The invention also relates to a valve (50; 60; 70; 80; 90; 100; 110; 120) and to pressure generating means (3, 4, 5, 6, 32, 42) that are suitable for the modular construction of the claimed casting machine (1).