60results about How to "Reduce kinetic friction" patented technology

A coating composition for a golf ball is comprised of a slippery, transparent or white, non-sticky lubricant film, and a method for applying same to a golf ball comprises the steps of applying the lubricant to an external surface of the golf ball prior to striking the ball with a golf club, and applying the coating uniformly to the external surface of the golf ball and to a sufficient degree as to reduce the friction between said external surface and the atmosphere or ground when propelled through the atmosphere or along the ground, respectively.

A fluorooxyalkylene group-containing polymer composition comprising a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal hydrolyzable polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal hydrolyzable polymer”, wherein an amount of the both-terminal hydrolyzable polymer is 0.1 mole % or more and less than 10 mole %, relative to total mole of the one-terminal hydrolyzable polymer and the both-terminal hydrolyzable polymer.

A fluorooxyalkylene group-containing polymer composition including a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal modified polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal modified polymer”, wherein an amount of the both-terminal modified polymer is 0.1 mole % or more and less than 10 mole %, relative to a total mole of the one-terminal modified polymer and the both-terminal modified polymer.

The present invention relates to a method for weighing an electrode submerged in the charge of an electric smelting furnace. The electrode is moved in vertical direction at least once, whereafter the electrode is lifted and the weight of the electrode is registered shortly after the electrode has been lifted.

Short fibers 6a protruded from side faces 5a of rubber ribs 5 are thermal contracted by frictional heat by belt slip of the rubber rib side faces 5 on a V groove face of a pulley. This allows the short fibers 6a to be buried in rubber ribs 5.

The invention discloses an excitation fluctuation precompressed multi-station compression moulding machine. Compression moulding units (1) are uniformly distributed and connected into a whole and are dragged by an intermittent mechanism (2) to carry out orderly transposition; a precompressed device (6) generates precompression under the compound effect of excitation and fluctuation; and a pressurizing device (7) converts the rotation of the power source into finalized compression moulding. Therefore, the compression moulding machine has the advantages that the machine overcomes the problems that the compression moulding is restricted by stroke and the compression moulding product has internal defects, the mechanical repeatability is uniform and reliable, the power distribution is reasonable and energy-saving, one machine has multifunction, multi-blocks can be generated by being pressed at one time and the compound compression moulding can be carried out.

The invention discloses a yarn wet-method waxing process, which comprises the following steps: diluting molten wax with cold deionized water, adding acetic acid to regulate the pH value to 5 to 6, uniformly stirring, and adding into a cheese dyeing machine; performing post-treatment of yarns, dyeing, dehydrating and soaking the yarns in the cheese dyeing machine filled with the molten wax; and dehydrating and drying the soaked yarns at 100 to 120 DEG C. The process makes it is convenient to operate, and is applicable to processing of cellulosic fibers and blended yarns, particularly cotton yarns. The processed yarns can be directly used in weaving after being dried; and the dynamic friction value of the surface of the processed yarns is low, so that the hairiness phenomenon is eliminated effectively.

A coating composition for a golf ball is comprised of a slippery, transparent or white, non-sticky lubricant film, and a method for applying same to a golf ball comprises the steps of applying the lubricant to an external surface of the golf ball prior to striking the ball with a golf club, and applying the coating uniformly to the external surface of the golf ball and to a sufficient degree as to reduce the friction between said external surface and the atmosphere or ground when propelled through the atmosphere or along the ground, respectively.

Short fibers 6a protruded from side faces 5a of rubber ribs 5 are thermal contracted by frictional heat by belt slip of the rubber rib side faces 5 on a V groove face of a pulley. This allows the short fibers 6a to be buried in rubber ribs 5.

The invention relates to a forward low-friction unloading gear for a reducing valve. The forward low-friction unloading gear comprises an unloading ring, an unloading pole, an inlet pressure unloading flow passage and a seal assembly, wherein the unloading ring is fixedly arranged in a valve body and between the valve body and a valve core, a cavity is arranged between the unloading ring and the valve body, the unloading pole is arranged in the unloading ring in a sliding and matched way, the upper end face of the unloading pole is arranged in the cavity, the lower end face of the unloading pole is in contact with the valve core, the areas of the lower end face of the valve core and the upper end face of the unloading pole are equal, assistant springs are arranged between the unloading ring and the valve core, the inlet pressure unloading flow passage is arranged inside the valve body, one end of the inlet pressure unloading flow passage is communicated with an inlet, and the other end of the inlet pressure unloading flow passage is communicated with the cavity. The invention provides the unloading gear capable of enhancing the outlet pressure regulation precision of the reducing valve. The unloading gear disclosed by the invention has the advantages of simple structure, small frictional resistance, convenience in processing and manufacturing, and the like; and the unloading gear is capable of eliminating the influence to the regulation precision of the reducing valve, brought by the inlet pressure change and improving the outlet pressure regulation precision of the reducing valve.

The invention relates to a cooling device of a small-sized electromagnetic riveter and an implementation method of the cooling device of the small-sized electromagnetic riveter. Considering that a coil generates heat during single discharge of the electromagnetic riveter, after repeated riveting discharge, the heat generated by the work coil accumulates, the temperature becomes lower gradually from the center of the coil to the edge of the coil in the radial direction, the insulating layer of the portion, generating most heat, of the coil is prone to breakdown, and then the work coil is damaged. According to the cooling device of the small-sized electromagnetic riveter, cooling gas is fed into the riveter through a guide pipe, the cooling gas enters a cooling air channel and then is guided to the surface of a mandrel through a cooling air inlet formed between the cooling air channel and the mandrel, the mandrel is sleeved with a multi-groove-type coil sleeve capable of sliding relative to the mandrel in a reciprocating manner, the cooling gas is guided to surface of the work coil in the radial direction of the work coil finally along the inner surface of the multi-groove-type coil sleeve, and then the purpose of cooling the work coil is achieved; and the gas is discharged out of the riveter after cooling from a gap reserved at the front end of the riveter.

A convenient-to-disassemble type assembling mechanism for a yarn splitting device relates to the technical field of textile and comprises a yarn storing bobbin, a yarn storing bobbin dustproof cover and the yarn splitting device. The upper end of the yarn storing bobbin is covered by the yarn storing bobbin dustproof cover, the yarn splitting device comprises a core rod and a yarn splitting dustproof cover, the yarn splitting dustproof cover is in a barrel shape and covers the core rod, and assembling devices are respectively manufactured on the yarn storing bobbin dustproof cover and the yarn splitting dustproof cover, the yarn splitting device is detachably arranged on the yarn storing bobbin dustproof cover through the assembling devices, the assembling devices on the yarn storing bobbin dustproof cover are arranged at the two radial ends of the yarn storing bobbin dustproof cover, and the assembling devices are in a drawn clamping-connection mode through clamping connection convex ribs and clamping-connection grooves. The yarn splitting device can be conveniently clamped with and disassembled from the yarn storing bobbin dustproof cover. When the rotating direction of the yarn storing bobbin is changed, the yarn splitting device is disassembled from one side of the yarn storing bobbin dustproof cover and is assembled to the assembling devices on the other side of the yarn storing bobbin dustproof cover, and then the yarn splitting device is quick to assemble and disassemble. After startup or yarn breaking in the halfway, yarns can be quickly wound on the yarn storing bobbin and a yarn splitting sleeve. Thus, work time is saved, the work efficiency is improved, and the weaving cost is reduced.

The invention discloses a yarn wet waxing process, wherein a yarn is sequentially subjected to dilution, PH value adjusting, impregnation, and dehydration drying to complete the waxing process. According to the present invention, the excellent and uniform waxing effect can be achieved by using the wet waxing of the liquid wax, the treated yarn has characteristics of low surface kinetic friction value, weaving enhancing, and hairiness reducing; and with the waxing process, the cohesion between the fibers is increased, the strength of the yarn is improved, the yarn is smooth and soft, and is easy to weave, the addition of the softener is not required, yellowing and discoloration cannot occur during the treatment and the drying process, the removal with the refining is easily performed, and the knitted fabric has characteristics of good hand-feeling and good electric resistance.

The invention discloses an air conditioner. The air conditioner comprises a shell, wind deflectors and a fixed base. The shell comprises an air outlet. The air outlet is formed in the length direction of the shell. The wind deflectors are arranged in the length direction of the air outlet. The fixed base is located below the wind deflectors, and the wind deflectors are connected with the fixed base in a rotating manner. Supporting ribs are arranged on the portions, corresponding to connection positions of the wind deflectors, on the top of the fixed base. The bottoms of the wind deflectors are connected with the supporting ribs in an abutting manner so that the contact area of the wind deflectors and the fixed base can be reduced. By means of the technical scheme, the friction force borne by the wind deflectors during rotation is reduced.

A mid-sole traction device for a shoe or a boot comprises a traction platform formed of a flexible rubber material. The platform has a first face for contacting a ground surface and a second face for attachment to a mid-sole of the shoe / boot. The first face is spaced from the second face. First and second protrusions are formed on the first face. The first protrusion has first and second ends, each of which defines an opening for receiving a spike. The second protrusion has first and second ends, each of which defines an opening for receiving a spike. The second protrusion is separate and spaced from the first protrusion. A first slot is formed in the platform and is located near a first peripheral edge of the platform for receiving a strap. A second slot is formed in the platform near a second peripheral edge for receiving a strap.

A haulage arrangement has a frame configured for operative attachment to a suitable tractor, and defining a tray for operatively receiving particulate material therein. The tray comprises two side walls separated by a loadbearing lower section with a headwall at a head end of the tray and slidably arranged in-between the side walls. Also included is an urger at the head end configured to operatively urge the headwall to slide across the lower section. Arrangement further includes an elastically flexible floor slidably arranged on the lower section and fast at a first end with the headwall, as well as a retractor arranged at an ejection end of the tray and configured to continuously retract a second end of the floor underneath the lower section whilst the headwall is urged. The retractor is further configured to agitate the floor during retraction to counteract adhesion of particulate material ejected from the tray.