36results about How to "Never rust" patented technology

The invention relates to a manufacturing method of a plastic reduction box shell and a plastic reduction box of a waterwheel aerator, mechanical machining processes are reduced, the plastic reductionbox shell and an existing cast iron reduction box shell can be arranged into the same assembling dimension basically, the cost is reduced, and meanwhile, the reduction box shell never rusts.

The invention discloses a contact type absolute encoder signal acquisition device and a method for manufacturing the same and belongs to an absolute encoder signal acquisition device used in a rotation angular displacement measuring device. The acquisition device comprises an encoding drum wheel and a platiniridium wire brush head, wherein the wire brush head is overlapped on the drum wheel. A drum wheel type encoding disc is a cylinder, so the volume of the signal acquisition device is reduced greatly; the connecting points of the brush head are positioned in the working area of the externalwall of the cylinder, the working area is divided into a conductive part and a non-conductive part which are arranged according to a encoding principle, and the brush head outputs a connection signal; and 'V'-shaped grooves are distributed on the external wall of the cylinder, the 'V'-shaped grooves are connected end to end, 'V'-shaped connecting points at the contact end part of the brush head operate in the 'V'-shaped grooves, the contact area is increased, the brush head moves in the 'V'-shaped grooves, and the operation is stable. The device and the method have the advantages that the signal acquisition device is simple in structure, acquires the signal directly from the encoding drum wheel and prevents the generation of error signals; and encoders manufactured by the method have small volumes.

The invention discloses a contact type absolute encoder signal acquisition device and a method for manufacturing the same and belongs to an absolute encoder signal acquisition device used in a rotation angular displacement measuring device. The acquisition device comprises an encoding drum wheel and a platiniridium wire brush head, wherein the wire brush head is overlapped on the drum wheel. A drum wheel type encoding disc is a cylinder, so the volume of the signal acquisition device is reduced greatly; the connecting points of the brush head are positioned in the working area of the external wall of the cylinder, the working area is divided into a conductive part and a non-conductive part which are arranged according to a encoding principle, and the brush head outputs a connection signal; and 'V'-shaped grooves are distributed on the external wall of the cylinder, the 'V'-shaped grooves are connected end to end, 'V'-shaped connecting points at the contact end part of the brush head operate in the 'V'-shaped grooves, the contact area is increased, the brush head moves in the 'V'-shaped grooves, and the operation is stable. The device and the method have the advantages that the signal acquisition device is simple in structure, acquires the signal directly from the encoding drum wheel and prevents the generation of error signals; and encoders manufactured by the method have small volumes.

The method for producing non-ferrous metal alloy furniture belongs to the field of household goods and office goods producing technology. The method for producing non-ferrous metal alloy furniture includes the steps of fusion casting alloy into rod material, extruding rod material into shaped material, ageing and quenching the shaped material, welding or riveting to form alloy furniture, and surface treatment. The non-ferrous metal alloy furniture has the advantages of no rust, firmness and diversity.

The invention discloses a counter weight with a concrete structure. In the invention, a crude material of the counter weight is formed by the flows of mixing ores with cement and water, uniformly stirring, compacting by utilizing a hydraulic extruding technology, naturally drying or drying with steam and then molding; after the crude material is automatically weighed on a 1 / 5000 metering weigher through an automatic transmitting belt, water of a certain proportion can be automatically added; and after the water and the crude material are stirred and mixed by adopting a mixer, concrete structure counter weights of different specification requirements with a pressure intensity of 3,000N / square centimeters can be formed through extruding according to composite counterweight volumes of different weights. The counter weight is not influenced in the counterweight performance and has the advantages of weather corrosion resistance and no rustiness forever. When in use, the counter weight is matched on various devices requiring counterweight balance.

The invention relates to a welding powder used in filigree gold tire fusion welding cloisonné products and a method for making the cloisonne products. The method includes the steps of tire making, filigreeing, threading, welding, pickling, bluing, bluing, bright white glaze, bluing again, polishing, gold plating, etc., wherein the welding powder composition is: 55‑60% Gold, 6‑8% silver, 27‑32% red copper, 4‑7% cadmium, plus 22‑26% of the above weight of arsenic trioxide; when pickling, pickle the welded gold body three times, each time 10‑ 12 minutes; the sintering temperature is 790-820°C after bluing. The flux used for welding in the present invention has good fluidity, firm welding, and is easy to weld. The obtained cloisonné filigree is precisely positioned, wear-resistant, high in hardness, and never fades; it adopts the bright white glaze process and twice-grinded blue to obtain The handicrafts are better in color, look new with time, never rust, have high collection value, and can satisfy people's high-level artistic enjoyment.

The invention discloses a preparation method of a ceramic electrician blade, belonging to the field of preparation method of special blades. The processing method comprises the following steps: (1) sintering of a ceramic blank; (2) sharpening both sides of the knife; (3) cutting a breaking groove; (4) processing a big knife edge; (5) processing a small knife edge; (6) accurate grinding of the small knife edge; (7) checking the knife blade; (8) packaging, etc. In the invention, a hot isostatic pressing method is adopted for sintering the raw material, the best sintering technology is selected according to the material composition, and some substances in an adhesive can be fully carbonized at 1,400 DEG C; and the carbonized components can promote the whisker toughening of aluminum oxide, and the toughness of the blank is enhanced. In the invention, during blade processing, the processing depth of the breaking groove is strictly controlled according to the length, width and thickness of the blade, and the defective percentage of the product is reduced.

The invention discloses a method for manufacturing a panel type solar heat collection device and further discloses the panel type solar heat collection device manufactured with the method. The panel type solar heat collection device comprises a panel-shaped box body, a heat collecting coil, a temperature controller, a magnetization water heating device, transparent glass, a protection layer, a plurality of heat collection pieces and a ceramic hot water storing tank. The method is simple in step, easy to achieve and low in cost and the panel type solar heat collection device can be fast produced with the method. The panel type solar heat collection device is ingenious in structural design, reasonable and capable of fully utilizing solar energy to fast produce hot water and performing collecting, storing, terminal utilizing, optimizing and integrating on heat through the ceramic hot water storing tank, and therefore heat energy can be utilized to the maximum, the hot water supply quality can be effectively ensured, and the requirement for hot water needed in life and production of people is met. The purpose of saving energy is achieved, utilization cost is greatly reduced, energy conservation and environment protection are facilitated, convenience is brought to the life and production of people, wide popularization and application are facilitated, and the panel type solar heat collection device is particularly suitable for families.

The invention belongs to the technical field of road signboards and aims at providing a glass fiber reinforced plastic composite material traffic signboard which has low cost, excellent performances and guarantees safety and a manufacturing method thereof. The glass fiber reinforced plastic composite material traffic signboard comprises a glass fiber reinforced plastic grid plate and a metal plate, wherein the metal plate covers the front surface and the side edge of the glass fiber reinforced plastic grid plate, and a covering edge is formed on the back surface of the glass fiber reinforced plastic grid plate; the metal plate and the glass fiber reinforced plastic grid plate are stuck and fixed; a light-reflection membrane is stuck on the front surface of the metal plate; and a first clamping groove and a second clamping groove are formed in the back surface of the glass fiber reinforced plastic grid plate. The glass fiber reinforced plastic composite material traffic signboard provided by the invention is formed by compounding and molding the metal plate and the glass fiber reinforced plastic grid plate; the whole structure has rigidity and toughness and expresses the performances of tension resistance, pressing resistance, bending resistance, and weight which is lighter than an aluminum plate of the glass fiber reinforced plastic grid plate; the attaching performances of the metal plate and the light-reflection membrane are kept, and functional requirements of an existing signboard can be met; the construction cost is greatly reduced and a valuable resource of aluminum alloy sheet materials is saved; and the glass fiber reinforced plastic composite material traffic signboard is economical and environmentally friendly and is not easy to steal, and guarantees the safety.

The invention mainly provides a closed moistureproof layer to improve the anticorrosion capacity of metals and achieve the aim of protecting huge fund concerning the anticorrosion for the metals.

A decorative lamp comprises a light source, and a frame surrounding the light source and used for suspending a light refraction body, wherein the frame comprises a plurality of upright columns and a multilayer structure transversely connected with the upright columns. The invention is characterized in that the multilayer structure transversely connected with the upright columns comprises a plurality of rings divided from one plastic plane material one by one, and the inner edge of the ring with larger plane size and the outer edge of the ring with small plane size in two adjacent divided rings are respectively arranged at two sides of the division track. The design can use cutting machine to process without using stamping or injection mold so as to remarkably reduce production preparation cost, and the design is especially useful for small-lot and multi-type design, development and production of products. The invention has the advantages of excellent material utilization rate, remarkably reduced packaging volume, and remarkably reduced cost.

The invention discloses a structure of a novel durable sealing plastic basin. The liner of the basin is made by using stainless steel materials; and a plastic covering layer is sealed on the outer layer of the basin. The structure has the beneficial effects that because the scheme is adopted, the basin is simple to manufacture and never rusts; and the basin has both the advantage of durability of an basin and the price advantage of a plastic basin.