CN2033739U - Reinforced composite material with pre-stressed net fabric and its producing equipment - Google Patents
Reinforced composite material with pre-stressed net fabric and its producing equipment Download PDFInfo
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- CN2033739U CN2033739U CN 87216812 CN87216812U CN2033739U CN 2033739 U CN2033739 U CN 2033739U CN 87216812 CN87216812 CN 87216812 CN 87216812 U CN87216812 U CN 87216812U CN 2033739 U CN2033739 U CN 2033739U
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Abstract
The utility model belongs to the field of composite material and apparatus thereof. The utility model aims at obtaining a reinforced composite material with pre-stressed net fabric which has scientific mechanical configuration, good performance, high intensity, less materials input and low cost, and obtaining equipment which can automatically process raw material, composite material and finished products by one time. The reinforced composite material with pre-stressed net fabric is composed of warp and woof (silk) which are distributed in net shape and are compounded with paper or plastic film, metal-foil and other base material under pre-stressed state. The reinforced composite material with pre-stressed net fabric can be widely used in all walks of life such as industry, agriculture, national defence (military affairs), medicine, traffic and architecture.
Description
The utility model belongs to composite and its production equipment.
Use conventional methods the composite and the goods thereof of production with the cloth base material as reinforcing material since the dawn of human civilization, mechanical structure is unreasonable.Carry on the back high science, uneconomical.Its longitudinal strength is had a surplus, the transverse strength deficiency, as with plastic knit-weaving fabric, the plastics adhesive-bonded fabric, canvas, vinylon and cotton blend, glass cloth and cotton etc. are the composite wood material shed cloth of reinforcing material and polynary resin coex composite membranes etc., after the elongated bag product of these composites and dry goods is contained packing material, at dress, unload, remove, also be that a bag changqiang is spent surplus in the fortune process, and the wide undercapacity of bag, experimental results show that bag wide stressed be that bag is long stressed more than several times and even more than 20 times, this phenomenon is not familiar with by people are general as yet, for improving the intensity of composite and bag product and dry goods bag product, it often all is the warp that improves material or strengthen the cloth base material simultaneously, parallel fiber number and density, always at the natural resources of shockingly wasting more than 70%, as multiple film (or liner) fertilizer bag of plastic knit-weaving fabric, plastics adhesive-bonded fabric/paper complex pocket, vinylon and cotton blend/paper compound cement bag, various container bags, gunnysack, flour bag and other are light, in, heavy wrapping bag etc.; A lot of products still do not solve the bad packing problem so far, because the loss over ten billion Yuan that packages in damaged condition cause to country, only annual packages in damaged condition of cement scatter and disappear and reach 500,000,000 yuan more than unexpectedly.Its reason: 1, because the unreeling machine of conventional composite equipment and the stretching action of winder, apply under the state that gives stress compound at the warp of giving the cloth base material with paper and other base material, paper and other base material shrink with the cloth base material behind the following machine, each base material is consistent simultaneously stressed during use, warp-wise intensity height; 2, legacy equipment compound tense, cloth base material warp apply the warp that gives stress and make parallel further crooked in the raw.Each base material was stressed inconsistent when used compound back.Latitudinal strength is low; 3, the paper of produced in conventional processes, plastic film and dry goods base material etc., its longitudinal strength is often greater than transverse strength; 4, traditional bag-making method generally all is that to make bag with its warp-wise long, and it is wide to make bag with its broadwise, and it is high and stressed little to contain long self intensity of packing material back pkt., and wide self intensity of bag is little and stressed big.The purpose of this utility model just is to obtain mechanical structure science, economy, vertical, horizontal intensity and adapts to the force request when using, and after its bag product was contained packing material, self vertical, horizontal intensity was consistent with force request.The stressed unanimity of each base material, performance is good, materials are few, intensity is big, cost is low gives stress screen cloth reinforced composite and bag product thereof.Make composite and packing scientific.
Fig. 1, Fig. 2, Fig. 3 are the structural representation that gives stress screen cloth reinforced composite, and 2 is screen cloth in the drawings.1,4,3 can be paper, plastics, metal forming or the like.
Fig. 1, Fig. 2, Fig. 3 all be warp, the parallel (silk) of giving screen cloth 2 apply give stress when its hot strength reaches use force request or during near its yield strength, adopt adhesive or directly adopt plastic cement (being solidified into film) with stationery, metal forming class and other base material is compound makes, promptly get its bag product through bag.The material of material, fiber number and the density of screen cloth 2 warps, parallel (silk) and material, specification and the intensity of paper, metal forming and other base material and adhesive and plastic cement, performance etc. are all selected according to the requirement of the serviceability of giving stress screen cloth reinforced composite and goods thereof.Adhesive can be water-soluble, hot melt or solvent type.Plastic cement is high molecular polymer, copolymer and blend, ionomer and other film forming natural gum such as PE, PP, EVA, PVC, PS, PA, PC, ABS, MBS, EEA.The material of screen cloth 2 can be new, old, inferior, useless or etc. outer natural fiber or chemical fibres such as cotton, fiber crops, silkworm, glass or asbestos, screen cloth 2 also can be that it dimension fiber is mutual, the mutual blending of chemical fibre or mixed goods, netted intertexture or fabric not.
Because the humidification of screen cloth in giving stress screen cloth reinforced composite and goods thereof is fully used, material to other base materials such as stationery, metal forming classes requires than corresponding reduction, therefore than traditional cloth reinforced composite and goods thereof, save the cloth raw material more than 70%, save other base material raw materials such as paper, metal forming, synthetic resin and plastics also all more than 50%.Can replace traditional composite and goods thereof, as the packaging bag of powder grain materials such as PE (or PP)/plastic knit-weaving fabric PE (or PP)/plastics adhesive-bonded fabric, PE (or PP)/canvas, paper/PP (or PP)/plastic knit-weaving fabric (or adhesive-bonded fabric), vinylon and cotton blend/paper etc. and chemical fertilizer thereof, industrial chemicals, cement, and lined chemical fertilizer is moulded and is compiled bag, gunnysack, cloth flour bag, paddy grain sack, container bag etc.As be used for packing cement, not only light weight, attractive in appearance, permeability good, intensity is high, do not grind hand, stackability is good, and save wood pulp paper more than 50%, its cost is lower than four layers of traditional paper bag, can solve the packages in damaged condition problem of cement substantially.And for example be used for packing chemical fertilizer, not only cost is low, and performance is good, and that screen cloth adopts is cotton, fiber crops or glass etc., compiles the incomparable weatherability of bag thereby improved to mould.
Give stress screen cloth reinforced composite and goods thereof because light weight, select suitable material and structure for use, its tension, tear, impact, pin hole, heat-sealing equal strength height, electric insulation, heat insulation, trapping, sound insulation, antioxygen, anti-Exposure to Sunlight, against corrosion, anti-rainwater, weatherability, oil resistant and soda acid and good combination property such as painted, its more apparent huge and purposes is widely arranged, as the packing and the covering of military machine in war industry, the sound wave shielding, the covered protection material of guided missile, be coated with the interlayer inflation battalion of fireproof paint outward, storehouse etc.
Also can be used as agricultural film and warmhouse booth,, can replace traditional agricultural film and warmhouse booth because its intensity height, light transmission are good.
Give stress screen cloth composite reinforcing material and goods thereof and select suitable material and structure for use, it is fresh-keeping and the fragrance protectiveness energy is good.Also can be used for agricultural byproducts such as paddy grain, oil plant, medicinal material, cocoa, coffee, tealeaves, the various seeds of pepper, dry vegetalbe, powder grain materials such as chemical products such as food such as milk powder, protein, cake and pigment, dyestuff light, in, heavy wrapping.Because it has anti-rainwater, anti-Exposure to Sunlight, anti-damaging by worms and performances such as trapping, good weatherability, can carry out vacuum packaging, replace traditional indoor storage method, can under any weather, store by the Open air depot bag, VPS storehouse bag storage cost than states such as Switzerland is lower, better effects if.Being that 1/10 of ton-grain (more than 100 yuan) cost is deposited in domestic traditional room storage, is that 1/20 of ton-grain (more than 200 yuan) cost is deposited in the conventional cartridge storage.
The equipment that stress screen cloth reinforced composite is given in production is divided into that to adopt plastic cement to drench film compound and adopt compound two kinds of adhesive.
One, adopts schematic diagram that plastic cement drenches equipment that the compound production of film gives stress screen cloth reinforced composite and technological process as shown in Figure 6, mainly comprise screen cloth automatic deviation correction mechanism, giving of stretching of the graticule (silk) of screen cloth 2 answered power apparatus, pouring film device and set composite.
Screen cloth automatic deviation correction mechanism is made up of the unsettled pressing plate of electronic edge guide, spy limit device, parallel adjuster, screen cloth supporting plate and its top.When advancing, screen cloth slightly rectifies a deviation, by visiting the smart correction of limit device through electronic edge guide.The parallel adjuster makes the parallel (silk) of screen cloth perpendicular to warp (silk).Screen cloth gives the stress set composite from entering between its supporting plate and unsettled plate, and the assurance cloth clamp can both accurately be clamped screen cloth 2.
Answer power apparatus to divide two parts (being left and right two parts) warp, the giving of parallel (silk) stretching of screen cloth 2, every part by track 10 and on track 10 endless chain 8 of reciprocation cycle constitute, and cloth-clip (shown in Figure 4) is housed on endless chain 8.
Give and answer power apparatus to can be a novel cloth clamp tenter device.Novel cloth clamp tenter device is made up of cloth clamp (shown in Figure 4), cross axle (shown in Figure 5) and tentering track 10.Cloth clamp (Fig. 4) and cross axle (Fig. 5) connect into endless chain, and endless chain both can rotate freely on horizontal plane, also can rotate freely in vertical direction.Novel cloth clamp tenter device applies for the parallel (silk) of screen cloth 2 in workshop section's (shown in Figure 6) and gives stress, make to the junction of I section and II section the parallel (silk) of screen cloth and warp (silk) be stretched to its hot strength when reaching it and using force request or near its yield strength, applying for warp (silk) and giving stress is to be undertaken by warp-wise tension mechanism before the novel cloth clamp tenter device and rolling-up mechanism.In the II section, impose on through, parallel (silk) to give stress constant.Novel cloth clamp tenter device is dragged by a buncher, and rolling-up mechanism is dragged by a torque motor.
Drench film mechanism and constituted, and be installed in the front upper place of composite roll 5 and pressure roller 6 contact positions by drenching film head 9.Plastic cement is supplied with by plastic extruder in the pouring film head 9, and plastic extruder is dragged by buncher.
Composite structure mainly is made of pressure roller 6 and the composite roll 5 of depressing pressure roller 6 belows, its effect be the warp of screen cloth 2, parallel (silk) under being applied in the state that gives stress with paper (among Fig. 61 and 3) or other base material be combined with each other make as shown in Figure 1, 2, 3 give stress screen cloth reinforced composite.The power source of compounding machine is novel cloth clamp stenter final drive shaft output torque.
The main technique that adopts the compound production of plastic cement pouring film to give stress screen cloth reinforced composite has base material conveying, screen cloth graticule to apply and give stress, under this state, extrude melt plastic cement and drench film, base material every trades such as screen cloth and paper or metal forming, synthetic resin, plastic sheeting is compound, rolling is got up again, and these several procedures all carry out on the production equipment that gives stress screen cloth reinforced composite continuously automatically.
The production equipment that adopts the compound production of plastic cement pouring film to give stress screen cloth reinforced composite bag product is that directly continuous 6 back that are contained in Fig. 6 of 20-31 part among Fig. 8 can compoundly once be finished until bag.Be among Fig. 6 composite 12 through draw 29, behind the back stamp brush roll 20 and 21 printings of chromaticity printing roller of tension force deflector roll 31, printing machine, glue spreading apparatus 23,24,25 gluings are shaped to bag tube 32 through central layer 22 and when taking out tin.Cutting into tube bag 27 through guillotine 26 is stitched into through sewing machine and sticks with paste the end and make and give stress screen cloth reinforced composite packaging bag goods.
Adopting plastic cement to drench the compound main technique of giving stress screen cloth reinforced composite bag product of film has base material to carry, and the warp of screen cloth, parallel apply and give stress, and plastic cement melt extrudes, the pouring film is compound, traction, printing, take out a moulding, cut etc.Drag plastic extruder by a motor, all the other each operations drag by same motor; Or apply the cloth clamp stenter that gives stress for screen cloth parallel (silk) to drag by a motor, plastic extruder is dragged by a motor, and compounding machine, traction, printing cut etc. and to be dragged by same motor, though motor driving style difference, above-mentioned whole operations are adopting compound the giving on the stress screen cloth reinforced composite bag product equipment of plastic cement pouring film all to carry out automatically continuously synchronously.
Two, adopt the compound production of adhesive to give equipment and technology flow graph such as Fig. 7, shown in Figure 8 of stress screen cloth reinforced composite and goods.
The equipment that stress screen cloth reinforced composite is given in production mainly by unwinding device, screen cloth deviation correction mechanism, give and answer power apparatus, glue spreading apparatus, set composite to be constituted, can be equipped with in addition and give transition of stress device arc baker, edge cutter, porcupine roller etc.
Giving and answer power apparatus can be the cloth clamp stenter, and it can also can form new cloth clamp tenter device by cross axle by traditional cloth clamp stenter transformation of the way.Its separated into two parts, every part by track 10 and on track 10 endless chain 8 of reciprocation cycle constitute, and cloth-clip (Fig. 4) is housed on the endless chain 8.Therefore endless chain 8 is also referred to as the cloth clip chain.Traditional cloth clamp stenter transformation of the way back is as Fig. 7, cloth-clip and cloth clamp chain structure are constant, different is, and stenter divides two its I of active section is the expanding section, II is the constant amplitude section, Fig. 7 track 10 neutral gears are widened, the bearing block of glue spreader 13 among Fig. 8, composite roll 5 etc. is installed on it, and track 10 is amplitude modulation within the specific limits also.In order to adapt to the variation of screen cloth fabric width.Apply when the track of cloth clip chain I section in Fig. 7 of clamping screen cloth 2 both sides, for during row the parallel (silk) of screen cloth 2 to give stress when reaching use force request or enter the II section during near its yield strength.It gives stress and remains unchanged when the II section is moved.
Glue spreading apparatus divides two parts, one by gluing groove 14, partly be immersed in gluing rubber roll 13 on the gluing groove 14, constitutes with the glue spreader 13 approximate tangent pressure rollers that contact 6, also is added with gluing thickness dancer rools etc. sometimes.Its effect is to (paper) 3 of the base material among Fig. 8 and 2 while of screen cloth gluing, when the production gas permeability is given stress screen cloth reinforced composite and bag product, only give screen cloth 2 gluings, or this gluing part need not.Its two interior roll coater 15 that by gluing groove 16, partly is immersed in the gluing groove 16 is constituted with the interior roll coater 15 tangent glue spreaders that contact 18.Glue spreader 18 can be the external splines roller according to different requirement of composite gas permeability, also can be smooth roll.
Composite structure is made of pressure roller 6 and the composite roll below pressure roller 65, and in Fig. 7, Fig. 8, composite roll 5 has three.They can be general steel rider, hot steel rider in also can be, and pressure roller 6 also is three.The structure of pressure roller 6 is a steel core outer surface rubber coating, and the rubber outer surface has one deck polytetrafluoroethylene or its coating, and pressure roller 6 is approximate tangent contacts with composite roll 5.Its effect is to give the screen cloth 2 and the upper and lower base material (paper) of answering II section in the power apparatus advancing to be combined with each other, and plays the oven dry effect.
Give the transition of stress device and be installed in the two ends of the composite roll 5 among Fig. 8 and give and answering between the power apparatus track 10, its effect is to make screen cloth 2 with paper or other base material is compound, the stress that gives that applies on its parallel (silk) in the overall process of oven dry remains unchanged.
The arc baker is as 33 positions among 33 among Fig. 7, Fig. 8.Its arc section is all perpendicular to the composite direction of advance, electricity or Steam Heating.Its effect is that stress screen cloth reinforced composite is given in oven dry, if adhesive is dry very fast.This device can not wanted yet.
Edge cutter is shown in 11 among 11 Fig. 8 among Fig. 7, and its effect is the redundance that cuts compound good composite 12 both sides.
The 17th, support, said apparatus are assemblied on the support 17.
Among porcupine roller such as Fig. 8 29.Form by needle plate and external splines roller.Its effect is to give stress screen cloth reinforced composite acupuncture micropore, make that it is ventilative, when product does not require gas permeability without this porcupine roller.
The main technique of giving stress screen cloth reinforced composite has the screen cloth automatic deviation correction, and the warp of screen cloth and parallel apply and give stress when necessarily requiring, and gluing is compound, and oven dry is cut edge etc.These several procedures all are to carry out automatically continuously on the production equipment that gives stress screen cloth reinforced composite under the dragging of the motor 19 in Fig. 8.
Production is given the equipment of stress screen cloth reinforced composite packaging bag and process flow diagram as shown in Figure 8.
The equipment that the packaging bag of stress screen cloth reinforced composite is given in production comprises mainly that production noted earlier is given the equipment and the printing machine of stress screen cloth reinforced composite, taken out a former, cutting edge machine etc. as shown in Figure 8.
Printing machine mainly is made up of back stamp brush roll 20 among Fig. 8 and chromaticity printing roller 21, and 20 and 21 all are rotated in a clockwise direction.Its effect is to give stress screen cloth reinforced composite chromatography two look trade marks.
Taking out a former mainly is made up of the tube core mold 22 among Fig. 8, glue spreading apparatus 23,24,25 etc.Its effect is under the drive of guillotine 26, and the stress screen cloth reinforced composite that gives after the printing is taken out the bag tube 32 that tube is shaped to certain folding warp through it.
The effect of guillotine 20 is by standard size bag tube 32 to be cut into desired tube bag 27.
The main technique that the packaging bag of stress screen cloth reinforced composite is given in production have each above-mentioned operation and traction (29 among Fig. 8), synchronously tension force (28 among Fig. 8), print, take out a moulding and cut etc., these operations all are to be dragged by a motor (19 among Fig. 8); Or each operation in above-mentioned and traction operation drag by a motor, and synchronously tension force, print, take out a moulding and cut etc. and drag by another motor; Or the cloth clamp stenter in above-mentioned is dragged by a motor.And operation and traction such as the gluing in above-mentioned, compound, acupuncture, print, take out a moulding, cut etc. and to drag by another motor; Or the cloth clamp stenter in above-mentioned is dragged by a motor, and operation such as the gluing in above-mentioned, compound, acupuncture and tension force synchronously, traction drags by another motor, print, take out a moulding, cut etc. to drag and all can by the 3rd motor.Though the driving style difference is produced each procedure that gives among stress screen cloth reinforced composite packaging bag Fig. 8, all is that continuous synchronization is carried out automatically on production equipment shown in Figure 8.Can obtain giving stress screen cloth reinforced composite packaging bag goods through the sewing machine stitching or the paste end again after finishing these operations.
Brief description is its course of work once, and composite material base paper 1,3 and screen cloth 2 are behind automatic deviation rectifying device.Enter to give and answer power apparatus, warp, the parallel of screen cloth 2 applied give stress, increasing composite material base paper 1,3 and screen cloth then together enters by 13,14,15,16,18 and forms glue spreading apparatus, carry out gluing, carry out compound, (and heating) by pressure roller 6 and composite roll 5 behind the gluing.Dry by arc baker 17 again.Chromaticity printing through 20,21 then by 22,23,24,25 one-tenth tube, cuts through 27 again, just becomes the cement package bags material, and sewing up through sewing machine has more promptly become formal cement package bags.
Claims (8)
1 gives stress screen cloth reinforced composite, is made of the base material more than two layers that is combined with each other, and it is characterized in that, has the screen cloth that gives stress through, broadwise and be compounded in wherein between substrate layer.
The equipment of stress screen cloth reinforced composite is given in 2 one kinds of productions, and it has unwinding device, automatic deviation rectifying device, support 17, it is characterized in that:
A contains giving of stretching of the warp of screen cloth 2, parallel (silk) is answered power apparatus, give and answer power apparatus to divide two parts, every part by track 10 and on track 10 endless chain 8 of reciprocation cycle constitute.And on the endless chain 8 cloth-clip is housed,
B contains gluing (or drenching film) device of the base material gluing (or drenching film) to composite,
C contains the composite structure that the base material more than two layers is compound, and composite structure is made of the composite roll 5 of pressure roller 6 and pressure roller 6 belows.
3 equipment as claimed in claim 2, it is characterized in that composite roll 5 can be general steel rider, hot steel rider in also can be, the structure of pressure roller 6 is a steel core outer surface rubber coating, the rubber outer surface has one deck polytetrafluoroethylene or its coating, and two rollers are approximate tangent contacts.
4 equipment as claimed in claim 2.It is characterized in that drenching film mechanism and constituted, and be installed in the front upper place of composite roll 5 and pressure roller 6 contact positions by drenching film head 9.
5 equipment as claimed in claim 2 is characterized in that the interior roll coater 15 that glue spreading apparatus by gluing groove 16, partly is immersed in gluing groove 16 is constituted with the interior roll coater 15 tangent glue spreaders that contact 18.
6 equipment as claimed in claim 5.It is characterized in that glue spreader 18 can be the external splines roller, also can be smooth roll.
7 equipment as claimed in claim 2 is characterized in that glue spreading apparatus is made of two parts, and one is by gluing groove 14; Partly be immersed in the glue spreader 13 on the gluing groove 14, with constitutes with the approximate tangent pressure rollers that contact 6 of glue spreader 13, its two by gluing groove 16, partly be immersed in gluing groove 16 interior interior roll coaters 15 and constituted with the interior roll coater 15 tangent glue spreaders that contact 18.
8 equipment as claimed in claim 7.It is characterized in that glue spreader 18 can be the external splines roller, also thinks smooth roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87216812 CN2033739U (en) | 1987-12-30 | 1987-12-30 | Reinforced composite material with pre-stressed net fabric and its producing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87216812 CN2033739U (en) | 1987-12-30 | 1987-12-30 | Reinforced composite material with pre-stressed net fabric and its producing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2033739U true CN2033739U (en) | 1989-03-08 |
Family
ID=4830689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87216812 Withdrawn CN2033739U (en) | 1987-12-30 | 1987-12-30 | Reinforced composite material with pre-stressed net fabric and its producing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2033739U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837479A (en) * | 2012-08-24 | 2012-12-26 | 大连瑞光非织造布集团有限公司 | Anti-skid laminated non-woven fabric and preparation method thereof |
| CN105383795A (en) * | 2015-12-29 | 2016-03-09 | 太仓弘杉环保科技有限公司 | Enhanced drench membrane silicone oil paper |
| CN105694220A (en) * | 2016-03-17 | 2016-06-22 | 合肥晨煦信息科技有限公司 | Flexible freight bag |
| CN109208181A (en) * | 2018-10-24 | 2019-01-15 | 大连华阳新材料科技股份有限公司 | A kind of online screening lattice cloth production process of Spunbond/Needling Nonwovens |
| CN109208172A (en) * | 2018-10-24 | 2019-01-15 | 大连华阳新材料科技股份有限公司 | A kind of online dual-purpose type of spun-bonded non-woven adds the production method of reinforcing material |
| CN113265905A (en) * | 2021-05-14 | 2021-08-17 | 王�锋 | Warp and weft special paper and manufacturing method thereof |
| CN113928898A (en) * | 2021-11-16 | 2022-01-14 | 中国航发北京航空材料研究院 | Flexible carrier unfolding mechanism in structural adhesive film |
-
1987
- 1987-12-30 CN CN 87216812 patent/CN2033739U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837479A (en) * | 2012-08-24 | 2012-12-26 | 大连瑞光非织造布集团有限公司 | Anti-skid laminated non-woven fabric and preparation method thereof |
| CN105383795A (en) * | 2015-12-29 | 2016-03-09 | 太仓弘杉环保科技有限公司 | Enhanced drench membrane silicone oil paper |
| CN105694220A (en) * | 2016-03-17 | 2016-06-22 | 合肥晨煦信息科技有限公司 | Flexible freight bag |
| CN109208181A (en) * | 2018-10-24 | 2019-01-15 | 大连华阳新材料科技股份有限公司 | A kind of online screening lattice cloth production process of Spunbond/Needling Nonwovens |
| CN109208172A (en) * | 2018-10-24 | 2019-01-15 | 大连华阳新材料科技股份有限公司 | A kind of online dual-purpose type of spun-bonded non-woven adds the production method of reinforcing material |
| CN113265905A (en) * | 2021-05-14 | 2021-08-17 | 王�锋 | Warp and weft special paper and manufacturing method thereof |
| CN113928898A (en) * | 2021-11-16 | 2022-01-14 | 中国航发北京航空材料研究院 | Flexible carrier unfolding mechanism in structural adhesive film |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |