CN101638860A - Woolen blanket for papermaking and manufacturing method thereof - Google Patents
Woolen blanket for papermaking and manufacturing method thereof Download PDFInfo
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- CN101638860A CN101638860A CN 200910045776 CN200910045776A CN101638860A CN 101638860 A CN101638860 A CN 101638860A CN 200910045776 CN200910045776 CN 200910045776 CN 200910045776 A CN200910045776 A CN 200910045776A CN 101638860 A CN101638860 A CN 101638860A
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- base cloth
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- weft yarn
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- warp thread
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 129
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000009998 heat setting Methods 0.000 claims description 12
- 238000009954 braiding Methods 0.000 claims description 11
- 238000001467 acupuncture Methods 0.000 claims description 9
- 210000004209 hair Anatomy 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 230000002045 lasting effect Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 239000011800 void material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 2
- 239000012792 core layer Substances 0.000 abstract 1
- 239000002365 multiple layer Substances 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000004952 Polyamide Substances 0.000 description 16
- 229920002647 polyamide Polymers 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- 229920004933 Terylene® Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 3
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- 239000002994 raw material Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000004049 embossing Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
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- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Abstract
The invention relates to a woolen blanket for papermaking applied to papermaking equipment and a manufacturing method thereof. The woolen blanket for papermaking sequentially comprises a fiber surfacelayer, a fiber core layer, a base fabric composed of warp yarn and weft yarn and a fiber back layer, wherein, wrap yarn is coarse alternating with fine or weft yarn is coarse alternating with fine inthe base fabric; the base fabric can be single-layer base fabric, double-layer base fabric or multiple-layer base fabric structure. The woolen blanket for papermaking has the characteristics of big void fraction, favorable gas permeability, lasting flow rate and the like; when used, the woolen blanket for papermaking has favorable dehydration effect and long service life. The woolen blanket for papermaking is suitable for papermaking equipment with high speed and high lineal pressure.
Description
Technical field
The present invention relates to a kind of felt that is used for paper making equipment and preparation method thereof.
Background technology
Along with China's paper making equipment in the high speed of a motor vehicle, high line pressure, high efficiency evolution, be badly in need of a kind of felt that can adapt to this big roller warp, high line pressure, high grammes per square metre.Simultaneously because the secondary stock of China's paper making raw material employing at present.The proportion of dogstail slurry is very high, this class slurry contains a large amount of gum rosins, pitch, lignin, grease and a large amount of inorganic fillers---talcum powder, china clay, calcium carbonate etc., in paper-making process, these materials constantly enter into woollen blanket inside, the woollen blanket gas permeability is descended, woollen blanket begins hardening gradually and hardens, and produces page conquassation embossing when serious, and paper defects increases.How could solve the high-voidage of woollen blanket, increase the permeability of woollen blanket, improve the appearance carrying capacity of woollen blanket to water, be difficult for again stopping up, the compacting that delays woollen blanket is to greatest extent hardened, and reduces the replacing frequency of woollen blanket, improves service life.Many manufacturings commercial city is studied in the institutional framework and the many-sides such as raw material, technology of base net.
Felt belongs to the high-performance dehydrating material, in paper machine paper-making process, and the effect of playing dehydration, carrying, conveying and modifying page.Felt is as the carrier of paper pulp and l Water Paper page or leaf, constantly squeezes through pressure roller, makes moisture enter the felt internal voids and taken out of and sloughed by it.Felt in use, mainly stopped up in the space of felt its service life, its water permeability descends, and does not reach instructions for use and is replaced and scraps.
Fig. 1 is the schematic diagram of the felt of prior art, and Fig. 2 is the A-A cutaway view of Fig. 1.As shown in Figure 1 and Figure 2, the felt of prior art comprises fiber top layer 3, fiber sandwich layer 4 successively, weaves base cloth 5 and the fiber backing layer of forming 6 by warp thread 1 and weft yarn 2.Warp thread 1 thickness in the described base cloth 5 is identical, and the thickness of weft yarn 2 is also identical.Its defective is, squeezing repeatedly under high line pressure condition, and the warp thread that easily produces the upper strata base cloth embeds between the space of warp thread of lower floor's base cloth, thereby has stopped up the space, has influenced the felt water permeability greatly, and then has shortened the service life of felt.
In the Chinese invention patent please a kind of paper press felt and manufacture method thereof be disclosed prospectus CN200510005046.3.This invents alleged press felt for papermaking, comprises matrix, group of fibers and 3 D weaving stratum reticulare, and this 3 D weaving stratum reticulare comprises by connecting the two-layer fabrics that fiber connects.This 3 D weaving stratum reticulare is arranged on the position of leaving woollen blanket wet web contact-making surface and machine contact-making surface in the press felt.Connecting fiber to small part is the diagonal angle fiber.This invents warp thread or weft yarn in the alleged 3 D weaving stratum reticulare, each adopts the yarn of same size to weave, its defective is: squeezing repeatedly under high line pressure condition, easily between the space of the warp thread of the warp thread embedding lower floor base cloth of generation upper strata base cloth, thereby the obstruction space influences water permeability greatly.
Chinese invention patent ublic specification of application CN200410067278.7 discloses a kind of manufacture method of antifouling Batt-on-mesh press felt, this invention is by the grey cloth that is woven into spacer screen, become felt through setting with acupuncture, after the cleaning, anti-soil reagent through fluorochemical and adhesive composition pads, through precompressed with bake and be dried into antifouling Batt-on-mesh press felt, its anti-soil agent prescription is polytetrafluoroethylene (PTFE) and melamine class adhesive again.With the antifouling Batt-on-mesh press felt that manufacture method of the present invention is produced, its anti-soil effect is obvious, and manufacture method is scientific and reasonable, and raw material are easily buied, and technological operation is easy to control, and environment is not produced harm, and processing cost is low and added value of product significantly improves.Though this invention is through the post processing of the anti-soil reagent of fluorochemical and adhesive composition, reduced surperficial potential energy, make dirt be difficult for adhering to, but still adopt the yarn of same size to weave, squeezing repeatedly under high line pressure condition, between the space of the warp thread of the warp thread embedding lower floor base cloth of upper strata base cloth, thereby the problem of stopping up the standoff effects water permeability still exists.
Summary of the invention
One of technical problem to be solved by this invention provides that a kind of voidage is big, permeability good and has the felt of lasting permeability rate.
Two of technical problem to be solved by this invention provides the preparation method of above-mentioned felt.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions: a kind of felt, comprise fiber top layer, fiber sandwich layer successively, by base cloth and fiber backing layer that warp thread and weft yarn are formed, the warp thread thickness in the described base cloth is alternate or the weft yarn thickness is alternate.
Further, described warp thread thickness is alternate, and described weft yarn thickness is identical.
Described warp thread thickness is identical, and described weft yarn thickness is alternate.
Described warp thread thickness is alternate, and described weft yarn thickness is alternate.
Further again, described base cloth is the individual layer base cloth, through the double-deck base cloth of bilayer or the double-deck base cloth of latitude bilayer.
Further, described base cloth is the multilayer base fabric structure, and this multilayer base fabric structure is made up of individual layer base cloth stack individual layer base cloth, individual layer base cloth double-deck base cloth, double-deck base cloth stack individual layer base cloth, double-deck base cloth double-deck base cloth or the individual layer base cloth stack individual layer base cloth individual layer base cloth that superposes again that superposes that superposes.
Optimum, described felt is a circulus.
The present invention also provides the method for preparing above-mentioned papermaking carpet, comprise that base cloth braiding, fiber hair roll and make, the acupuncture grey cloth is made, the HEAT SETTING post processing, described base cloth braiding step comprises warping, quilling, weave, inlay repair, HEAT SETTING, warping step in the described base cloth braiding step, the different warp thread of thickness that adopts alternately hangs on the bobbin cradle, segmentation is through axle, and described base cloth weaves the quilling step in the step, the weft yarn that the thickness of employing is different.
The advantage of technical solution of the present invention is mainly reflected in following several respects:
1, dehydrating effect is good
Voidage is a voidage and the ratio of fabric cumulative volume.Felt of the present invention since adopted different thicknesses through weft yarn, its void space is compared with prior art increased.Voidage and permeability are directly proportional, and voidage is big, and the moisture penetration performance is good, and the woollen blanket water-holding capacity strengthens, and the woollen blanket dehydrating effect is good.
2, prolong service life
In paper pulp and the separation process of l Water Paper solid and liquid, bigger particle is trapped within the felt surface, and fine particle is then resided in the felt deep layer, though by flushing process, still have small quantities of particles to reside in the felt deep layer.Owing to uninterrupted produce continuously, reside in the felt deep layer particle and constantly assemble increase, thereby stop up the felt space, when serious felt is scrapped because of can not fully dewatering.Felt voidage of the present invention is bigger than the product of prior art, resides in to be easy to be rinsed the place to go in the felt deep layer, effectively prevents to stop up, thereby has prolonged service life.
In addition, felt of the present invention is an example for 500 meters/minute with paper machine service pressure 300KN, the speed of a motor vehicle in paper-making process, and felt per minute then of the present invention bears continual 300KN weight 25 times.Because the rove favorable rigidity has played supporting role, rove bears main pressure, and good recoverability is arranged; so keep the high voidage of base cloth; guarantee the lasting permeability rate of base cloth, avoid base cloth to produce compacting, nested, prolonged service life because of weight repeatedly.
Through actual measurement, the felt of the invention is compared with the felt of prior art and has been prolonged 1/3 service life.
Description of drawings
Fig. 1 is the schematic diagram of prior art felt.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the base cloth schematic diagram of the embodiment of the invention 1.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5 is the base cloth schematic diagram of the embodiment of the invention 2.
Fig. 6 is the C-C cutaway view of Fig. 5.
Fig. 7 is the base cloth schematic diagram of the embodiment of the invention 3.
Fig. 8 is the D-D cutaway view of Fig. 7.
Fig. 9 is the base cloth schematic diagram of the embodiment of the invention 4.
Figure 10 is the E-E cutaway view of Fig. 9.
The specific embodiment
Felt of the present invention comprises fiber top layer 3, fiber sandwich layer 4 successively, weaves base cloth 5 and the fiber backing layer of forming 6 by warp thread 1 and weft yarn 2.Difference from prior art is, wherein base cloth 5 is improved.
Fig. 3 is for after improving at the base cloth in the prior art felt 5, and the base cloth schematic diagram of felt of the present invention, Fig. 4 are the B-B cutaway view of Fig. 3.
As shown in Figure 3, warp thread 1 by
The warp thread 11c of root and
The alternate composition of warp thread 11a.
As shown in Figure 4, weft yarn 2 by
The weft yarn 21c of root and
The alternate composition of weft yarn 21a.
The preparation method of present embodiment papermaking carpet is as follows:
(1) processing step
1, base cloth braiding
2, fiber hair rolls and makes
Staple card becomes net → pre-needling → fiber wadding of wool
3, the acupuncture grey cloth is made
4, the HEAT SETTING post processing forms finished product
(2) technical parameter
I. base cloth braiding
1, warping
The TSB-IA warping machines that adopts Sweden TEXO company to provide
Use material: terylene or polyamide fibre heald
The material specification:
Root
Bobbin cradle cup mode: 1
Terylene or polyamide fibre heald
1
The root folded yarn alternately hangs on the bobbin cradle, and segmentation is through axle.Stand-by according to required width.
2, quilling (being wound into winding)
The SSA6000M Pirn winder that weft yarn adopts German HACOBA company to provide
Use material: terylene or polyamide fibre heald
The material specification:
Root
3, weave
The ring that adopts 16 meters Sweden TEXO companies of TM-100 to make is knitted mode, uses the 45# reed, and 1 reed is worn 2 one threads
Filling density: 110/10CM
Through close: 90/10CM
Tissue: 1/3 brokentwlllweave, 2/2 brokentwlllweave, 1/1 plain weave, 1/5 satin weave
4, edge is repaiied
Hand inspection base cloth quality is repaired fault.
5, HEAT SETTING
The heat setting machine HEAT SETTING.
Temperature: 150～170 ℃
II. fiber hair rolls and makes
1, staple card becomes net
Staple card become net be with the fiber (terylene, polyamide fibre, acrylic fibers) of different dawn numbers through shredding and hair, combing, shop layer, fluffy batt coordinates.The formation method of batt is: the fiber of different dawn numbers is arranged in order (carefully last, slightly following) up and down, forms wadding of wool.
2, pre-needling
Pre-needling is to utilize needle-punching method that fiber is fixed, and forms obvolvent between the fiber.
3, fiber wadding of wool
The fiber wadding of wool is meant according to different grammes per square metres (substantially at 20～100g/m
2) rolling.
III. the acupuncture grey cloth is made
The manufacturing of acupuncture grey cloth is that base cloth after the typing and fiber wadding of wool are passed through needling process, and making up and down, the fiber hair circumvolution is combined into the acupuncture grey cloth around fixing with base cloth.
Pricker: adopt German GROS pricker
The cloth pin density: a needle plate is substantially at 2000～3000 pieces/meter
Acupuncture traverse: 40～60mm
Punch frequency: 400～800 times/minute
IV. the HEAT SETTING post processing forms finished product
HEAT SETTING is to be combined into the acupuncture grey cloth in the heat setting machine HEAT SETTING, to make it surfacing, also can wait other technology in conjunction with singing, also can be in conjunction with anti-soil, post processing such as antistatic, fire-retardant.
Temperature: 150～170 ℃
Fig. 5 is for after improving at the base cloth in the prior art felt 5, and the base cloth schematic diagram of felt of the present invention, Fig. 6 are the C-C cutaway view of Fig. 5.
As shown in Figure 5, warp thread 1 is by being
The warp thread 12c of root and
The alternate composition of warp thread 12a.
As shown in Figure 6, weft yarn 2 is by being
The weft yarn 22c of root and
The alternate composition of weft yarn 22a.
Fig. 7 is for after improving at the base cloth in the prior art felt 5, and the base cloth schematic diagram of felt of the present invention, Fig. 8 are the D-D cutaway view of Fig. 7.
As shown in Figure 7, the base cloth 5 in the present embodiment felt is the multilayer base fabric structure, by individual layer base cloth stack individual layer base cloth, wherein:
The individual layer base cloth on upper strata: warp thread 13b is
The polyamide staple fibre spun yarn of root, through close be 90/10CM.The individual layer base cloth warp thread thickness on upper strata is identical.
The individual layer base cloth of lower floor: warp thread 1 by
Polyamide staple fibre spun yarn warp thread 13a with
* 6 the alternate composition of polyamide staple fibre spun yarn warp thread 13c, through close be 90/10CM.
As shown in Figure 8:
The individual layer base cloth on upper strata: weft yarn 23b is
The polyamide staple fibre spun yarn of root, filling density are 140/10CM, tissue: 1/1 plain weave.The individual layer base cloth weft yarn thickness on upper strata is identical.
The individual layer base cloth of lower floor: weft yarn 2 by
Polyamide staple fibre spun yarn weft yarn 23a with
The alternate composition of polyamide staple fibre spun yarn weft yarn 23c, filling density is 110/10CM, the tissue: 1/3 brokentwlllweave.
Fig. 9 is for after improving at the base cloth in the prior art felt 5, and the base cloth schematic diagram of felt of the present invention, Figure 10 are the E-E cutaway view of Fig. 9.
As shown in Figure 9, the base cloth 5 in the present embodiment felt is the multilayer base fabric structure, by the individual layer base cloth double-deck base cloth that superposes, wherein:
The individual layer base cloth on upper strata: warp thread 14b is
The polyamide staple fibre spun yarn of root, through close be 90/10CM.The individual layer base cloth warp thread thickness on upper strata is identical.
The double-deck base cloth of lower floor: warp thread 1 by
Polyamide staple fibre spun yarn warp thread 14a with
The alternate composition of polyamide staple fibre spun yarn warp thread 14c of root is through close 90/10CM.
As shown in figure 10:
The individual layer base cloth on upper strata: weft yarn 24b is
The polyamide staple fibre spun yarn of root, filling density are 140/10CM, tissue: 1/1 plain weave.The individual layer base cloth weft yarn thickness on upper strata is identical.
The double-deck base cloth of lower floor: weft yarn 2 by
Polyamide staple fibre spun yarn weft yarn 24a with
* 6 the alternate composition of polyamide staple fibre spun yarn weft yarn 24c, filling density is 110/10CM, tissue: 1/3 brokentwlllweave.
Double-deck base cloth can be divided into through double-deck and latitude double-decker, and present embodiment adopts through double-layered structure.
For improving the felt flatness, the present invention can also be provided with one deck base net layer between base cloth that adopts alternate warp thread of thickness and weft yarn braiding to form and fiber sandwich layer, this base net layer is comparatively fine and closely woven, can play and modify the page surface, the effect that improves paper quality.
The present invention forms base cloth by adopting alternate warp thread of thickness and weft yarn braiding; this base cloth through (usually in 300KN, 25 times/minute uninterrupted weight) under pressure down rove bear main pressure; and good recoverability is arranged; so keep the high voidage of base cloth, guarantee the lasting permeability rate of base cloth.
Especially in base cloth MULTILAYER COMPOSITE base cloth, the rove favorable rigidity has played supporting role, avoids base cloth to produce compacting, nested because of weight repeatedly, has kept permanent voidage, thereby improved the lasting permeability rate of base cloth, prolonged the service life of felt.
Undoubtedly, the present invention can also have multiple conversion and remodeling, is not limited to the concrete structure of above-mentioned embodiment.In a word, protection scope of the present invention should comprise those conspicuous to those skilled in the art conversion or substitute and change shape.
Claims (8)
1, a kind of felt comprises fiber top layer, fiber sandwich layer, successively by base cloth and fiber backing layer that warp thread and weft yarn are formed, and it is characterized in that: the warp thread thickness in the described base cloth is alternate or the weft yarn thickness is alternate.
2, felt as claimed in claim 1 is characterized in that: described warp thread thickness is alternate, and described weft yarn thickness is identical.
3, felt as claimed in claim 1 is characterized in that: described warp thread thickness is identical, and described weft yarn thickness is alternate.
4, felt as claimed in claim 1 is characterized in that: described warp thread thickness is alternate, and described weft yarn thickness is alternate.
5, as each described felt in the claim 1～4, it is characterized in that: described base cloth is the individual layer base cloth, through the double-deck base cloth of bilayer or the double-deck base cloth of latitude bilayer.
6, as each described felt in the claim 1～4, it is characterized in that: described base cloth is the multilayer base fabric structure, and this multilayer base fabric structure is made up of individual layer base cloth stack individual layer base cloth, individual layer base cloth double-deck base cloth, double-deck base cloth stack individual layer base cloth, double-deck base cloth double-deck base cloth or the individual layer base cloth stack individual layer base cloth individual layer base cloth that superposes again that superposes that superposes.
7, felt as claimed in claim 6 is characterized in that: described felt is a circulus.
8, the preparation method of papermaking carpet as claimed in claim 1 comprises that base cloth braiding, fiber hair roll and make, the manufacturing of acupuncture grey cloth and HEAT SETTING post processing, and described base cloth braiding step comprises warping, quilling, weaves, inlays and repair and HEAT SETTING, it is characterized in that:
Warping step in the described base cloth braiding step, the warp thread that the thickness of employing is different alternately hangs on the bobbin cradle, and segmentation is through axle;
Quilling step in the described base cloth braiding step, the weft yarn that the thickness of employing is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910045776 CN101638860B (en) | 2009-02-05 | 2009-02-05 | Woolen blanket for papermaking and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910045776 CN101638860B (en) | 2009-02-05 | 2009-02-05 | Woolen blanket for papermaking and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101638860A true CN101638860A (en) | 2010-02-03 |
| CN101638860B CN101638860B (en) | 2013-04-10 |
Family
ID=41614026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910045776 Active CN101638860B (en) | 2009-02-05 | 2009-02-05 | Woolen blanket for papermaking and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101638860B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774088A (en) * | 2016-03-09 | 2016-07-20 | 应城市天润产业用布有限责任公司 | Production technology of temperature-resistance paper making wet felt |
| CN108560304A (en) * | 2018-03-06 | 2018-09-21 | 应城市天润产业用布有限责任公司 | Adhesivity material special filtering blanket and its production method |
| CN108635964A (en) * | 2018-05-14 | 2018-10-12 | 天津工业大学 | A kind of preparation method of high temperature resistant filtration fabrics |
| CN108797185A (en) * | 2018-06-28 | 2018-11-13 | 河南省双龙网毯有限公司 | High speed paper machine felt production technology |
| CN109881523A (en) * | 2019-04-04 | 2019-06-14 | 江苏金呢工程织物股份有限公司 | Suitable for high grammes per square metre press with large-roll-diameter felt of high speed and preparation method thereof |
| CN109881522A (en) * | 2019-04-04 | 2019-06-14 | 江苏金呢工程织物股份有限公司 | Suitable for high speed high linear pressure press felt and preparation method thereof |
| CN110144751A (en) * | 2019-06-28 | 2019-08-20 | 四川环龙技术织物有限公司 | A kind of woollen blanket applied to high-speed vacuum cylinder mould machine |
| CN111893691A (en) * | 2020-08-19 | 2020-11-06 | 苏州优莱特种织物新科技有限公司 | Papermaking felt shaping process |
| CN113957589A (en) * | 2021-11-23 | 2022-01-21 | 上海金熊造纸网毯有限公司 | Production process of papermaking felt special for packaging paper |
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| CN109629311B (en) * | 2018-12-19 | 2020-09-22 | 上海金熊造纸网毯有限公司 | Double-layer bottom net papermaking felt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105774088A (en) * | 2016-03-09 | 2016-07-20 | 应城市天润产业用布有限责任公司 | Production technology of temperature-resistance paper making wet felt |
| CN108560304A (en) * | 2018-03-06 | 2018-09-21 | 应城市天润产业用布有限责任公司 | Adhesivity material special filtering blanket and its production method |
| CN108635964A (en) * | 2018-05-14 | 2018-10-12 | 天津工业大学 | A kind of preparation method of high temperature resistant filtration fabrics |
| CN108797185A (en) * | 2018-06-28 | 2018-11-13 | 河南省双龙网毯有限公司 | High speed paper machine felt production technology |
| CN109881523A (en) * | 2019-04-04 | 2019-06-14 | 江苏金呢工程织物股份有限公司 | Suitable for high grammes per square metre press with large-roll-diameter felt of high speed and preparation method thereof |
| CN109881522A (en) * | 2019-04-04 | 2019-06-14 | 江苏金呢工程织物股份有限公司 | Suitable for high speed high linear pressure press felt and preparation method thereof |
| CN110144751A (en) * | 2019-06-28 | 2019-08-20 | 四川环龙技术织物有限公司 | A kind of woollen blanket applied to high-speed vacuum cylinder mould machine |
| CN111893691A (en) * | 2020-08-19 | 2020-11-06 | 苏州优莱特种织物新科技有限公司 | Papermaking felt shaping process |
| CN113957589A (en) * | 2021-11-23 | 2022-01-21 | 上海金熊造纸网毯有限公司 | Production process of papermaking felt special for packaging paper |
| CN113957589B (en) * | 2021-11-23 | 2023-02-21 | 上海金熊造纸网毯有限公司 | Production process of papermaking felt special for packaging paper |
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| CN101638860B (en) | 2013-04-10 |
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Application publication date: 20100203 Assignee: Sichuan Vanov Technology Fabric Co., Ltd. Assignor: Shanghai Jinxiong Paper Felts Co., Ltd. Contract record no.: 2013510000077 Denomination of invention: Woolen blanket for papermaking and manufacturing method thereof Granted publication date: 20130410 License type: Exclusive License Record date: 20130822 |
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Denomination of invention: Woolen blanket for papermaking and manufacturing method thereof Effective date of registration: 20170908 Granted publication date: 20130410 Pledgee: Chengdu rural commercial bank, Limited by Share Ltd, Wenjiang Yongsheng branch Pledgor: Shanghai Jinxiong Paper Felts Co., Ltd. Registration number: 2017510000060 |
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Assignee: Sichuan Vanov Technology Fabric Co., Ltd. Assignor: Shanghai Jinxiong Paper Felts Co., Ltd. Contract record no.: 2013510000077 Date of cancellation: 20170918 |
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Denomination of invention: Woolen blanket for papermaking and manufacturing method thereof Effective date of registration: 20180927 Granted publication date: 20130410 Pledgee: Chengdu rural commercial bank, Limited by Share Ltd, Wenjiang Yongsheng branch Pledgor: Shanghai Jinxiong Paper Felts Co., Ltd. Registration number: 2018510000091 |
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