36results about How to "Strong tightening force" patented technology

A long girdle includes a main body part for covering from a lumbar region to an upper part of a thigh, and a support line part stitched on the main body part. The support line part has a lower end beginning at a connecting line that connects front and rear portions of the main body part, and an upper end ending at the connecting line. The support line part extends over the front side of the thigh and a section which is located at the rear side of the thigh and the lower section of the rump-cleft, in a spiral to cover a region where the great adductor muscle of the thigh is located. The main body part and the support line part are configured with a stretchable material, and the tightening force of the support line part is stronger than that of the main body part.

An object of the present invention is to provide a girdle which can improve posture by acting on the muscles around the pelvis, is easy to handle and can be worn with no uncomfortable feeling. An example of the present invention is a girdle (short girdle and long girdle) containing, in an area fitting over a wearer's body, a tightening portion for which the magnitude of a tightening force varies with areas. When the garment is being worn, the tightening fabric portion extends from the vicinity of an upper part of the buttocks cleft, passing the vicinities of upper parts of the right and left buttocks, to the vicinities of the right and left greater trochanters, and the tightening fabric portion may be made of material having a tightening force. Moreover, a body front tightening fabric portion is provided at the front of the garment.

A bite valve manufactured from a soft and flexible material includes a joining section, a liquid outlet section, and at least a pair of columns at an inner wall approaching the liquid outlet section to retain the bite valve and to prevent an inner channel of the bite valve from being closed, and an extension tube projecting from an outer periphery of the liquid outlet section and being capable of bending backward to accommodate around the outer periphery of the liquid outlet section. Wherein, the joining section is for joining with a liquid guide tube of a liquid container.

A retractable pipe structure of an air blow gun includes an extension pipe, a lock unit and a blow pipe. The extension pipe has a through hole therein for insertion of the blow pipe. The lock unit includes a connection member. One end of the connection member is connected to the extension pipe. The other end of the connection member is connected to a lock member. An elastic collet and a seal member are provided in the lock member. The end of the connection member has an inner inclined surface which is inclined inward. Because the inner inclined surface guides the seal member and the elastic collet pushes the seal member, the seal member is deformed to tighten the blow pipe and to seal the extension pipe. The elastic collet can clamp the blow pipe and won't damage the blow pipe.

A retractable pipe assembly of an air blow gun includes an extension pipe, a lock unit and a blow pipe. The extension pipe has a stepped through hole which has a large diameter part and a small diameter part for insertion of the blow pipe. One end of extension pipe has an inner inclined surface which is inclined inward. The lock unit includes a lock member. The lock member is connected to the extension pipe. An elastic collet and a seal member are provided in the lock member. Because the inner inclined surface of the extension pipe guides the seal member and the elastic collet pushes the seal member, the seal member is deformed to tighten the blow pipe and to seal the extension pipe. The elastic collet can clamp the blow pipe and won't damage the blow pipe.

A steering apparatus for a vehicle includes a stem pipe disposed in a head pipe by upper and lower bearings interposed therebetween, a seal member for covering the upper bearing, and bottom and top bridges mounted on lower and upper ends of the stem pipe, respectively. A single fastening bolt, having a step formed between a head and a threaded surface thereof, is fitted in a pipe insertion hole of the top bridge and the upper threaded portion of the stem pipe. The stem pipe is firmly tightened and supported by a stem pipe slot-tightening mechanism of the top bridge. The fastening bolt is tightened by only a tightening force required to keep the fastening bolt from loosening. Also, a number of components required for the inventive steering apparatus is reduced, since an additional component, previously used for preventing loosening of a fastening bolt, is made unnecessary.

The invention provides a high-temperature constant-power electric tracing band, and the electric tracing band comprises an insulating filling band which is internally provided with through holes and wires at intervals, wherein a composite layer is arranged between the outer surface of the wire and the insulating filling tape, a heat conduction layer is arranged between the outer surface of the composite layer and the insulating filling tape, and the through hole is provided with a first port and a second port in the length direction of the insulating filling tape; an elastic contraction piece,wherein one end of the elastic contraction piece is connected to the first port of the through hole, the other end of the elastic contraction piece is connected to the second port of the through hole, and the elastic contraction piece is in a contraction state in the through hole. According to the invention, the elastic contraction piece in a contraction state is arranged in the insulating filling tape, so the elastic contraction piece can counteract the part of tension through elastic force when the electric tracing tape bears the tension in the length direction of the insulating filling tape, thereby reducing the tension borne by the electric tracing tape, and achieving the purpose of protecting the electric tracing tape; therefore, the phenomenon that the heat tracing band is pulled inthe installation process is avoided.

The invention discloses an open strapped-down tightener, which comprises a handle, a steel U-shaped ring fixed on the handle and a tie strip, wherein one end of the tie strip surrounds the steel U-shaped ring and the other end passes through the steel U-shaped ring; the tie strip is in an open form and the size can be adjusted according to the requirements of to-be-tightened articles; the application range is very wide; the open strapped-down tightener is suitable for installation and removal of various tightening fittings of a 500kV and above power transmission line, installation and removal of various spacers, and repairing operations of repairing treatment of loose and separate guide wires, tightening and binding of excess wires of optical cables, pre-twisted accessory installation assist and the like; the open strapped-down tightener is simple in structure, few in used materials, low in manufacturing cost, economical and practical; the safety coefficient of line operation is improved by the research achievement; the working time is shortened; and the working strength is reduced.

The invention discloses a steel wire twisting device capable of closing a sternal incision. The steel wire twisting device comprises a base and a handle, a shaft hole is formed in the base, the handle is provided with a twisting shaft which is inserted into the shaft hole from the top end of the shaft hole and can rotate in the shaft hole, a partition ridge in the axial direction is arranged on the twisting shaft, steel wire grooves are formed in the portions, on the two sides of the partition ridge, of the twisting shaft respectively, an observation window is formed in the lower end of the shaft hole of the base by forming a transverse through hole, a pressure head is formed on the portion, below the observation window, of the base, a steel wire gathering via hole is formed in the portion, under the shaft hole, of the pressure head, and a tensioning mechanism capable of tensioning a steel wire is arranged on the portion, above the twisting shaft, of the handle. When the steel wire twisting device is used, after the steel wire winds around a sternum, the tensioning mechanism is twisted till the steel wire is completely tightened to make the axis of a twisting device perpendicular to the sternum; one hand holds the base fixedly, and the other hand unidirectionally rotates the handle to make the steel wire mutually winded around and twisted tightly in the same direction till the steel wire twisting part is twisted off at the observation window. According to the steel wire twisting device capable of closing the sternal incision, the steel wire can be prevented from being twisted off during operation, and the risk that the steel wire cuts the sternum or is snapped after operation is reduced.

The invention discloses a tightening type pipe opening plug which comprises a pipe plug body. The pipe plug body comprises a cover, an outer wrapping face and an inner wrapping face, wherein the outer wrapping face and the inner wrapping face wrap a pipe wall. A lifting handle is arranged on the cover, one end of the lifting handle is vertically hinged to the edge of the cover, and a rotary tightening device is arranged on the lifting handle. The outer wrapping face is provided with a steel wire channel which surrounds a pipe body and is used for allowing a steel wire to penetrate. Compared with the prior art, according to the tightening type pipe opening plug, the steel wire is used for fastening the pipe wall, the steel wire is then rotated, tightened and lifted through the lifting handle, and thus the sealing effect to a pipe opening by the whole pipe plug body can be better.