14 results about "Crêpe paper" patented technology

In an embodiment, a package can include a first creped paper packaging material, a second creped paper packaging material, and one or more shipping items. The first creped paper packaging material can include a first single-layer creped packaging paper. The second creped paper packaging material can include a second single-layer creped packaging paper. The first creped paper packaging material and the second creped paper packaging material can define a respective material perimeter, with the second creped paper packaging material being attached to the first creped paper packaging material proximal their respective material perimeters to form a set of bound borders. The first creped paper packaging material and the second creped paper packaging material can thereby be attached together in a manner to define a package enclosure. The one or more shipping items can be carried in the package enclosure.

In an embodiment, a package enclosure can include a first creped paper packaging material and a second creped paper packaging material. The first creped paper packaging material can include a first single-layer creped packaging paper. The second creped paper packaging material can include a second single-layer creped packaging paper. The first creped paper packaging material and the second creped paper packaging material can define a respective material perimeter, with the second creped paper packaging material being attached to the first creped paper packaging material proximal their respective material perimeters to form a set of bound borders. The first creped paper packaging material and the second creped paper packaging material can thereby be attached together in a manner to define a package enclosure. The materials used for the package enclosure may be referred to as a package material combination.

The utility model relates to a mutual inductor, in particular to a primary coil cylindrical framework of a voltage transformer, and solves the problem of structural design of the mutual inductor. The primary coil cylindrical framework of the voltage transformer comprises a cylindrical barrel, a notch is formed in the barrel in the radial direction, positioning grooves are formed in the sides, symmetrical to the circle center of the barrel, of the notch, clamping parts matched with the notch in an embedded mode are arranged on the opposite side faces of the notch, and the barrel is formed through injection molding of alloy plastics. The cylinder body is formed by alloy plastic particles through hot melting injection molding, and the tolerance of the inner diameter, the outer diameter and the height of the cylinder body is smaller than or equal to + / -0.5 mm. The injection molding process has the advantages of high efficiency, realization of automatic mass production, high dimensional precision, round cylinder opening, good insulation performance, flame retardance, matching of a softening point and an epoxy resin curing temperature, and effective bonding with an epoxy resin cured material. And the phenomenon that the partial discharge capacity of the high-voltage side of the voltage transformer exceeds the standard can be improved and solved by matching with semiconductor crepe paper or semiconductor cloth tapes wrapped outside the inner and outer diameters.

The invention discloses equipment for preparing an epoxy impregnated paper sample, the equipment comprises a mold, an epoxy resin casting material and a vacuum oven, the mold comprises two groups of symmetrically arranged mold main bodies, and the two groups of mold main bodies are fixed by fasteners; pouring cavities are formed in the opposite sides of the mold main bodies, tightened crepe paper is clamped between the two mold main bodies, two sample electrodes are symmetrically arranged in the two pouring cavities, and pouring intervals are formed between the opposite ends of the two sample electrodes and the crepe paper; the epoxy resin pouring material is vacuumized in the vacuum oven and then poured into the pouring cavity; and the mold poured with the epoxy resin pouring material is vacuumized in a vacuum oven. By utilizing the equipment disclosed by the invention, the stretching state of the crepe paper can be effectively controlled, the introduction of bubbles is reduced, a test sample with equivalent insulation characteristics with an actual epoxy impregnated paper sleeve is prepared, and a technical support is provided for accurately evaluating the related performance of an epoxy impregnated paper insulating material.

The invention belongs to the technical field of paper-based functional modified materials, and discloses semiconductor crepe paper which comprises a base material which is common plant fiber crepe paper with the original crepe form. According to the invention, the base material is common wood pulp and bamboo pulp crepe paper, special materials are not needed, the base material is convenient to buy and cheap, and the production and use cost is greatly reduced; complicated steps, namely simple operations such as drying, mixing, soaking and low-temperature curing, are avoided, production can be realized by slightly adjusting existing equipment in a factory, expensive new equipment does not need to be specially bought, and the method is suitable for large-scale production; on one hand, the conductivity of a semiconductor can be kept, and the requirements of transformer insulation and electronic element static prevention are just met; and on the other hand, the wrinkles are completely not lost, and can be attached to equipment or follow-up processing like common crepe paper, so that buffering performance is achieved. The conductive component permeates into fiber gaps and is cured, so that the conductive component is not easy to fall off, and the conductive effect is not suddenly good or bad when the conductive component is used; the crepe paper can be used as common crepe paper, can also be used as a semiconductor, can be directly used for an insulation structure of electrical equipment and electrostatic protection of electronic components, and does not need to be specially replaced with a material for electric conduction; the conductive capability is controlled within the range of a semiconductor, equipment short circuit caused by too strong conductivity like metal is avoided, the situation that common paper is completely non-conductive and has no effect is avoided, the conductive paper is more secure when being used on electronic and electrical equipment, normal operation of the equipment is not affected, and actual application and operation are facilitated.

This invention discloses an ultra-thin, highly water-resistant, biodegradable crepe paper mulch film and its preparation method, aiming to replace traditional plastic mulch film, solve the problem of agricultural mulch film pollution, and promote the development of organic agriculture. This paper mulch film consists of layers of topcoat and core pulp. The topcoat is mainly composed of corn starch, silicone water-resistant agent, and water (by weight, 5-10 parts, 2-6 parts, and 84-93 parts, respectively). The silicone water-resistant agent contains carboxyl groups, alcohol hydroxyl groups, and polysiloxane oxygen-containing functional groups, possessing both excellent water resistance and environmental friendliness. The basis weight of the topcoat is 2-3 g / m². The core pulp is made from 100% unbleached recycled fiber, with a basis weight of 30-38 g / m². The paper mulch film has a wrinkling rate of 10-20%. The paper mulch film has excellent technical indicators: thickness 1.5-2.5 mm / 16 ply, longitudinal elongation 6-15%, longitudinal tensile strength 12000-20000 mN, longitudinal wet strength 4000-8000 mN, water absorption 20-35 g / m² (3 layers for 60 seconds), and visible light transmittance 0.3-1.5%. Its low cost, combined with high water resistance, good elasticity and biodegradability, makes it an ideal upgrade solution for the agricultural mulch film industry.

The utility model relates to the technical field of sterilization tools, in particular to a disinfection basket three-dimensional mat which comprises a crepe paper bottom mat and a plurality of crepe paper side mats connected around the edge of the crepe paper bottom mat, and the crepe paper side mats can be folded into a vertical state along the connecting positions of the crepe paper bottom mat and the crepe paper side mats. And a protection groove is formed on the upper side of the crepe paper bottom pad. By means of the crepe paper bottom pad, the cushion layer effect can be achieved between the bottom of the disinfection basket and a sterilization packaging material, friction between the disinfection basket and the sterilization packaging material is reduced, meanwhile, buffering is provided for contact between the disinfection basket and a stainless steel sterilization frame, a stainless steel transfer trolley and a stainless steel loading frame, and the possibility of damage to the sterilization packaging material is reduced. Through the crepe paper side pad, the cushion layer effect can be achieved between the sterilization packaging material and the side face of the sterilization basket, and the situation that instruments in the sterilization basket penetrate through holes of the sterilization basket in the transportation process and pierce the sterilization packaging material is avoided.

The system (1) for the manufacture of layered shaped bodies, comprising: at least one base layer (9); at least one coating layer (8a, 8b); movement means (23) configured to move the at least one base layer (9) and the at least one coating layer (8a, 8b), substantially facing overlapping and parallel to each other, along a line of movement (M); pressing means (2, 3) provided with at least a first pressing body (2), comprising at least a first shaping element (4), and with at least a second pressing body (3), comprising at least a second shaping element (5) having a complementary conformation with respect to the first shaping element (4), the pressing bodies (2, 3) being arranged on opposite sides of the line of movement (M) and being movable, at least one with respect to the other, between: at least one home configuration, wherein the at least one first shaping element (4) and the at least one second shaping element (5) are spaced apart from each other; and at least one work configuration, wherein the at least one first shaping element (4) and the at least one second shaping element (5) are pressed under pressure, enclosing the layers (8a, 8b, 9) with each other and coupling them, so as to make, at a shaping area (10), at least one layered shaped body (11); wherein: the base layer (9) is made of paper; the coating layer (8a, 8b) is made of paper of the crepe paper type.

The utility model discloses a wrapping device for a shielding net of a mutual inductor, and belongs to the technical field of manufacturing of electronic mutual inductors. Aiming at the problems that traditional manual binding is low in efficiency and inaccurate in layer number control, the pneumatic driving and automatic counting technology is adopted, and the device comprises an air source, a foot switch, a pneumatic motor, a rotor blade, an elastic rubber sleeve and other core assemblies. The pneumatic motor drives the rotor blades to rotate through compressed air, and the shielding net is driven to achieve automatic winding of the insulation crepe paper. The elastic rubber sleeve can adapt to shielding nets with different diameters, so that the universality is improved; the paper guide groove standardizes the paper path and prevents deviation; and the counter accurately records the number of binding layers through magnetic induction, so that the process consistency is ensured. Stepless speed regulation is achieved through the regulating valve, starting and stopping are controlled in combination with the pedal switch, the labor intensity of workers is remarkably reduced, and the production efficiency and the product quality are improved. The device is compact in structure, easy and convenient to operate and suitable for mass production scenes of electronic transformers, and has high industrial practical value.

The present invention relates to a release agent composition for papermaking, an emulsion, a preparation method and a use method thereof. The release agent emulsion of the present invention comprises (a) a hydrophobic material; (b) a cationic surfactant, comprising a quaternary ammonium salt type surfactant; and (c) a nonionic surfactant, comprising a polyoxyethylene type nonionic surfactant, wherein the emulsion is free of anionic surfactants, and wherein the emulsion has a particle size of about 0.05-1 μm. The release agent emulsion manufactured according to the method of the present invention has a small particle size, a narrow particle size distribution, and good stability, and thereby has significant application meanings in the papermaking process, especially in the production of crepe paper.

This invention relates to a pre-treatment process for wrapping an oil-immersed, upright, capacitively insulated current transformer, comprising the following steps: Step 1, placing a cardboard positioning fixture onto the straight section of the primary conductor; Step 2, placing insulating cardboard into the cardboard positioning groove within the cardboard positioning fixture; Step 3, moving the cardboard positioning fixture to the set position on the straight section and locking it; Step 4, wrapping the straight section using fiberless tape starting from the top, and when wrapping to any position of the cardboard positioning fixture, unscrewing the adjusting bolt to remove the cardboard positioning fixture; Step 5, wrapping the loop section of the primary conductor with shrink-wrap tape; Step 6, wrapping the loop section and the straight section entirely with crepe paper; Step 7, wrapping the zero-shield starting from the outside of the primary conductor. This invention is designed for a special current transformer structure where each end screen is stacked sequentially from the inside out and extends towards the loop section of the primary conductor, ensuring a regular overall cross-sectional shape of the straight section of the primary conductor.

1. The name of the design product: software operation graphical user interface for buffer crumpled paper dispenser. 2. The use of the design product: program operation and human-computer interaction for buffer crumpled paper dispenser. 3. The design points of the design product: the content of the graphical user interface. 4. The picture or photo that best shows the design points: interface change state diagram 1. 5. The bottom of the design product is not easy to see or not visible during use, so the top view is omitted. 6. The use of the graphical user interface: interface human-computer interaction program operation for buffer crumpled paper dispenser. 7. The human-computer interaction mode of the graphical user interface: human-computer interaction is realized through touch screen, the enlarged view of the main interface is the language selection page of the buffer crumpled paper dispenser operation interface, which is also the start-up interface state diagram, clicking the language of the enlarged view of the main interface enters the interface change state diagram 1 of mode selection, clicking "Program" in the interface change state diagram 1 enters the interface change state diagram 2 of programming mode, the numbers in the interface change state diagram 2 are programming selection items, the left arrow on the right of the interface change state diagram 2 is the previous page mark of programming mode, the design interface of the previous page of programming mode is consistent with the interface change state diagram 2, and the only difference is the different numbers, clicking the "√" in the lower right corner of the interface change state diagram 2 pops up the interface change state diagram 3; the left lower corner of the interface change state diagram 3 is the mark of returning to exit the programming mode, clicking the triangle icons of taking, circulating and starting in the interface change state diagram 3 from left to right, the state becomes the interface change state diagram 4, and the device will automatically dispense paper.

The invention relates to the technical field of crepe paper winding, in particular to a multi-shaft crepe paper winding device which comprises a base, an extrusion shaft and a winding shaft, the extrusion shaft is mounted on the upper side of the outer wall of the base, the winding shaft is mounted on the right side of the outer wall of the extrusion shaft, and a first feeding shaft is mounted on the left side of the outer wall of the extrusion shaft; a second feeding shaft is installed on the left side of the outer wall of the first feeding shaft, a limiting roller is installed on the upper side of the outer wall of the first feeding shaft, and first sliding blocks are installed at the connecting positions of the first feeding shaft and the base and the connecting positions of the second feeding shaft and the base. According to the crepe paper winding device, crepe paper of different sizes is fixed through the clamping blocks, the crepe paper output by the first feeding shaft and the second feeding shaft is extruded through the extrusion shaft, then the double-layer crepe paper is wound through the winding shaft, and the problems that the tightness between crepe paper layers is inconsistent, the cost is high and the efficiency is low due to manual operation are solved; and the winding efficiency of the quality of finished double-layer crepe paper can be improved.

The utility model relates to a kind of line material winding art paper rotary module, including seat, the front side of the seat is equipped with first clamping device, the seat is equipped with sliding seat, clamping pressing assembly is equipped on the sliding seat, the clamping pressing assembly includes fixedly connected on the sliding seat and the forward protruding arbor, the second clamping device is connected with the front end of the arbor, the rotating sleeve that can rotate around it is set on the arbor, and the pressing device for pressing art paper is connected with the front end of rotating sleeve, the first drive mechanism that can drive rotating sleeve rotation to drive pressing device and wind art paper on line is further equipped on the sliding seat on the arbor front end is installed simultaneously, the pressing device is installed in rotating sleeve front side set on the arbor, so that the structure of clamping pressing assembly is compact, can adapt to the compact automatic production line environment of space limited, while, more easily integrated with other equipment.