CN110306292A - A kind of quartz fibre revolving body product process equipment - Google Patents
A kind of quartz fibre revolving body product process equipment Download PDFInfo
- Publication number
- CN110306292A CN110306292A CN201810228927.9A CN201810228927A CN110306292A CN 110306292 A CN110306292 A CN 110306292A CN 201810228927 A CN201810228927 A CN 201810228927A CN 110306292 A CN110306292 A CN 110306292A
- Authority
- CN
- China
- Prior art keywords
- quartz fibre
- revolving body
- body product
- process equipment
- spinning head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/76—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres otherwise than in a plane, e.g. in a tubular way
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
- D04H3/073—Hollow cylinder shaped
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention proposes a kind of quartz fibre revolving body product process equipments, including being oppositely arranged and the rotating member of synchronous rotary, two rotating members are connect with the both ends of quartz fibre rope respectively, spinning head is additionally provided between two rotating members, the spinning nozzle of spinning head is arranged towards the line between two rotating members, when in use, two rotating members drive the quartz fibre rope rotation being connected between the two, and the quartz fibre silk that spinning head sprays is sprayed at the quartz fibre rope of rotation and is wrapped on quartz fibre rope to form quartz fibre revolving body product.Whole process very simple, conveniently, and device structure is simple, it is low in cost, relative to conventional silica fibers revolving body product due to being that quartz fibre silk mutually winds and forms together, even if the winding that therefore do not processed between its quartz fibre silk by pricker interweaves still very closely, it is able to use equipment processing for processing various rotational-like quartz fibre products, is had broad application prospects.
Description
Technical field
The present invention relates to a kind of quartz fibre revolving body product process equipments.
Background technique
Quartz fibre revolving body product refers to the rotational-like quartz fibre product being made by quartz fibre, including
Common silica wool gasket.
In optical fiber manufacturing processes, the gap between fiber drawing furnace and preform is real generally by flexible sealing device
When adjust, while being blown into inert gas and forming isolation compression ring, to prevent outside air from entering furnace chamber, guarantee air-flow in furnace chamber with
The stabilization of temperature.This sealing heat-proof device is made of quartz glass part, metalwork and silica wool gasket.
The manufacturing process of existing silica wool gasket is first to be laid with silica wool to be in strip, then quartz rope is placed in cotton
On item, centered on rope then bar shaped cotton roll is reloaded into cylinder mold at cylindric, makes to justify by multiple radial direction pricker
Interweave between multiple fibrous layers of column cotton body, wind, eventually forms the quartz fibre sliver an of entirety.This processing method
Process is cumbersome, the degree of automation is low, and lamination is serious, and fluffy not fine and close, globality is poor.
Summary of the invention
The present invention proposes a kind of quartz fibre revolving body product process equipment, to solve the quartz such as existing silica wool gasket
The device is complicated for the processing method of fibers turn body product, complex steps, inefficiency and the quartz fibre revolving body processed
The fiber filament layer of product is loose, lamination is serious, globality poor, the bad technical problem of sealing effect.
The technical scheme of the present invention is realized as follows: quartz fibre revolving body product process equipment include be oppositely arranged and
The rotating member of synchronous rotary, is respectively provided with the connection structure of the both ends connection for quartz fibre rope on two rotating members, and two
Spinning head more than one, that quartz fibre can be sprayed, the spinning nozzle direction of the spinning head are additionally provided between a rotating member
Line setting between two rotating members, when in use, two rotating members drive the quartz fibre rope rotation being connected between the two,
The quartz fibre that spinning head sprays is ejected at the quartz fibre rope of rotation and is wrapped on quartz fibre rope to form quartz
Fibers turn body product.
The program has the beneficial effect that the rotating member that the present invention is oppositely arranged and is rotated synchronously by two drives the two
Between exceptionally straight quartz fibre rope rotation, and quartz fibre silk, stone are uniformly sprayed on the quartz fibre rope of rotation by spinning head
The quartz fibre rope that English fiber filament is rotated adheres to and quartz fibre silk is driven to wind on quartz fibre rope, ultimately forms cylinder
Quartz fibre rope is taken off quartz fibre from the connection structure of rotating member after processing is completed by the quartz fibre cotton body of shape, spinneret
Rope, the integral quartz of the quartz fibre cotton body group of quartz fibre rope and the quartz fibre silk composition of its periphery winding is fine at this time
Tie up revolving body product, whole process very simple, conveniently, relative to conventional silica fibers revolving body product due to being quartz
Fiber staple is mutually wound to be formed together, no layering, and consistency is high, and sealing effect is excellent, be cannot be only used for processing optical fiber and is drawn
The processing of the furnace envelope of silk furnace, and can be used for the processing of the required quartz fibre revolving body product of various industries, have wide
Application market and application prospect.
Further improvement is as follows on the basis of above scheme, and the spinning head can be along the line side between two rotating members
To reciprocating motion.
The program has the beneficial effect that spinning head moves back and forth, and can control quartz fibre silk along quartz fibre revolving body
Multiple sprays are arranged on sliver, without the length direction along quartz fibre revolving body product in the length direction uniform winding of product
Silk head can still process the quartz fibre revolving body product of random length.
Further improvement is as follows on the basis of above scheme, and quartz fibre revolving body product process equipment further includes by driving
Dynamic device drives and the synchronizing shaft rotated and the actuator for being mounted on synchronizing shaft and cooperating with the transmission of described two rotating members.
By from synchronizing shaft that driving device drives while relying on actuator and two rotating members transmission cooperations, it can be achieved that a driving dress
Moving synchronously for two rotating members of driving is set, the net synchronization capability between two rotating members is ensured while saving driving device.
On the basis of above scheme be further improved it is as follows, the spinning head be located under the line of two rotating members and
Spinning head spinneret from bottom to top.
Further improvement is as follows on the basis of above scheme, and the rotating member is gear or belt wheel.
Further improvement is as follows on the basis of above scheme, and the driving device is rotating electric machine, and rotating electric machine passes through
Shaft coupling and synchronous axis connection.
On the basis of above scheme be further improved it is as follows, the connection structure be arranged in it is fast at rotating member center
Speed locking folder so as to for quartz fibre rope wind and by quartz fibre rope clamp it is tight.
Having the beneficial effect that for the program is gripped and can quickly be pressed from both sides to quartz fibre rope both ends by common various fast locks
Tightly, and after processing is completed it quickly dismantles, improves production efficiency.
Further improvement is as follows on the basis of above scheme, and protection is also covered with outside the actuator and rotating member
Shell is additionally provided with the avoid holes stretched out for the connection structure on housing.
The program has the beneficial effect that the setting of shield can be provide with rotating member, especially to the biography of rotating member
Dynamic part is provide with, and quartz fibre silk is avoided to descend slowly and lightly to being wrapped on rotating member or be extruded in running part at rotating member
Place.
Be further improved on the basis of above scheme it is as follows, the spinning head at least there are two, each spinning head is along putting down
Capable path is opposite or back movement is so that the quartz fibre silk Stagger-wrap sprayed.
Multiple spinning heads and each spinning head is arranged in the having the beneficial effect that of the program can be along different paths mutually without dry
The self-movement related to can control the winding between the quartz fibre silk of its ejection by the movement velocity and direction that control them
Mode, similar to the form of loom, to improve the compactness between the fiber filament of processed quartz fibre product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the embodiment 1 of quartz fibre revolving body product process equipment of the invention；
Fig. 2 is the use state diagram of Fig. 1 equipment；
Fig. 3 is the schematic illustration of the side view angle of Fig. 1 equipment；
Fig. 4 is the structural schematic diagram of the embodiment 2 of quartz fibre revolving body product process equipment of the invention；
Fig. 5 is the structural schematic diagram of the embodiment 3 of quartz fibre revolving body product process equipment of the invention；
Fig. 6 is the schematic illustration of the side view angle of Fig. 5 equipment；
Fig. 7 is the structural schematic diagram of the embodiment 4 of quartz fibre revolving body product process equipment of the invention；
Wherein: 1- body, 2- rotating member, 21- shaft, 22- connection structure, the 23- gear teeth, 24- transmission belt, 3- spinning head, 31- spray
Silk mouth, 4- quartz fibre sliver, 41- quartz fibre rope, 42- quartz fibre cotton body, 43- quartz fibre silk, 5- driving device, 6-
Shaft coupling, 7- synchronizing shaft, 8- bearing, 9- actuator, 10- output shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment 1 of quartz fibre revolving body product process equipment of the invention: the quartz fibre revolving body of the present embodiment
Product process equipment can be used for processing quartz fibre sliver 4 or other quartz fibre revolving body products, as shown in Figure 1, including
Body 1, driving device 5 is equipped on body 1, and the driving device 5 of the present embodiment is rotating electric machine, the shaft 21 of driving device 5
It is connected with synchronizing shaft 7 by shaft coupling 6, the both ends of synchronizing shaft 7 on body 1, are led to by 8 rolling assembling of bearing on synchronizing shaft 7
The cooperation for crossing keyway and key is fixedly connected with actuator 9, and the actuator 9 in the present embodiment is driving gear, as shown in Figure 1,3,
The rotating member 2 being sequentially connected with it is equipped in the oblique upper of actuator 9, the rotating member 2 in the present embodiment is driven gear, driven
Gear has shaft 21 and by two 8 rolling assemblings of bearing arranged side by side on body 1, since both ends are nearby divided on synchronizing shaft 7
Driving gear is not installed, accordingly in the installation of the both ends of body 1 there are two opposite driven gear, two driven gears are opposite
Side side center at be equipped with connection structure 22, the connection structure 22 in this implementations is gripped for fast lock, is used for for quartz
The both ends of cordage 41 wind and clamp quartz fibre rope 41, while facilitating the disassembly of quartz fibre rope 41.
As shown in Figure 1-3, the underface of the line in two rotating members 2, that is to say that the connected quartz of two rotating members 2 is fine
Dimension rope 41 is arranged right below spinning head 3, and spinning head 3 is equipped with spinning nozzle 31, can be to quartz fibre rope 41 by spinning nozzle 31
Quartz fibre silk 43 is sprayed at place, and there are three the spinning heads 3 in the present embodiment, and three spinning heads 3 can be between two rotating members 2
It is moved back and forth on the direction of line, and three movement routines can slightly be staggered, so that not will receive interference each other, guarantee
The quartz fibre silk 43 that three sprays can mutually be wound with setting means, to form more close braiding structure etc..
Both ends are separately fixed at two rotations when in use: quartz fibre rope 41(can be one or more first)
It at the connection structure 22 of part 2, and is to ensure that quartz fibre rope 41 is tauted in fixation, controls the movement of driving device 5 then with band
Dynamic synchronizing shaft 7 rotates, and the rotation of synchronizing shaft 7 drives two rotating members 2 to rotate synchronously by two actuators 9, and then drives and be connected in
Quartz fibre rope 41 between two rotating members 2 rotates, while controlling each spinning head 3 and starting and start spinneret, due to spinneret
The quartz fibre rope 41 of mouth 31 towards rotation is arranged, and the quartz fibre silk 43 of ejection is floated at quartz fibre rope 41 by quartzy fibre
Dimension rope 41 adheres to and on quartz fibre rope 41, and with the reciprocating movement of each spinning head 3, quartz fibre silk 43 is in quartz
It is successively superimposed in cordage 41, ultimately forms cylindrical quartz fibre cotton body 42, spinning head 3 and driving device 5 are closed, by stone
The both ends of English cordage 41 are removed from the connection structure 22 of the rotating member 2 at both ends, and entire quartz fibre sliver 4 is processed at this time
It completes.
Embodiment 2: as shown in figure 4, the present embodiment difference from example 1 is that, actuator 9 at this time is actively
Belt wheel, rotating member 2 at this time are driven pulley, and driving pulley is sequentially connected by a plurality of transmission belt 24 with driven pulley.
Embodiment 3: as shown in Figure 5,6, difference from example 1 is that, 1 top of body has roof, on roof
Equipped with spinning head 3, the quartz fibre rope 41 of the spinning nozzle 31 of spinning head 3 downward is arranged, and the quartz fibre silk 43 of ejection is certainly
It is fallen on the quartz fibre rope 41 of rotation under above, since spinning nozzle 31 is without avoiding synchronizing shaft 7, synchronizing shaft 7 is settable
In the underface of quartz fibre rope 41.
Embodiment 4: as shown in fig. 7, the difference is that, driving device 5 at this time is double shaft electricity with embodiment 3
Machine, the both ends of double output shaft electric machines pass through shaft coupling 6 respectively and connect with two output shafts 10, to drive two output shafts 10 are synchronous to turn
It is dynamic, settable smaller of 1 size of body at this time.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of quartz fibre revolving body product process equipment, which is characterized in that including being oppositely arranged and the rotation of synchronous rotary
Part, is respectively provided with the connection structure of the both ends connection for quartz fibre rope on two rotating members, between two rotating members also
Be provided with spinning head more than one, that quartz fibre silk can be sprayed, the spinning nozzle of the spinning head towards two rotating members it
Between line setting, when in use, two rotating members drive the quartz fibre rope rotation being connected between the two, what spinning head sprayed
Quartz fibre silk is sprayed at the quartz fibre rope of rotation and is wrapped on quartz fibre rope to form the production of quartz fibre revolving body
Product.
2. quartz fibre revolving body product process equipment according to claim 1, which is characterized in that the spinning head can edge
Line direction between two rotating members moves back and forth.
3. quartz fibre revolving body product process equipment according to claim 2, which is characterized in that quartz fibre revolving body
Product process equipment further include by driving device drive and rotate synchronizing shaft and be mounted on synchronizing shaft and with it is described two
The actuator of rotating member transmission cooperation.
4. quartz fibre revolving body product process equipment according to claim 1 to 3, which is characterized in that described
Spinning head is located under the line of two rotating members and spinning head spinneret from bottom to top.
5. quartz fibre revolving body product process equipment according to claim 1 to 3, which is characterized in that described
Rotating member is gear or belt wheel.
6. quartz fibre revolving body product process equipment according to claim 3, which is characterized in that the driving device is
Rotating electric machine, rotating electric machine pass through shaft coupling and synchronous axis connection.
7. quartz fibre revolving body product process equipment according to claim 1 to 3, which is characterized in that described
Connection structure is that the fast lock for being arranged at rotating member center grips to wind for quartz fibre rope and by quartz fibre rope clamp
Tightly.
8. quartz fibre revolving body product process equipment according to claim 3, which is characterized in that the actuator and turn
It is also covered with protecting crust outside moving part, the avoid holes stretched out for the connection structure are additionally provided on housing.
9. quartz fibre revolving body product process equipment according to claim 2 or 3, which is characterized in that the spinning head
There are two at least, each spinning head is opposite along parallel path or back movement is so that the quartz fibre silk sprayed staggeredly twines
Around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228927.9A CN110306292B (en) | 2018-03-20 | 2018-03-20 | Quartz fiber revolution body product processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228927.9A CN110306292B (en) | 2018-03-20 | 2018-03-20 | Quartz fiber revolution body product processing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110306292A true CN110306292A (en) | 2019-10-08 |
| CN110306292B CN110306292B (en) | 2023-08-15 |
Family
ID=68073355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810228927.9A Active CN110306292B (en) | 2018-03-20 | 2018-03-20 | Quartz fiber revolution body product processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306292B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481835A (en) * | 2020-11-30 | 2021-03-12 | 厦门当盛新材料有限公司 | Production method of polyethylene film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086271A (en) * | 1998-09-17 | 2000-03-28 | Sumitomo Electric Ind Ltd | Method and apparatus for producing optical fiber preform |
| CN102212894A (en) * | 2011-05-14 | 2011-10-12 | 青岛大学 | Electrostatic spinning device with frame collecting type nanometer fiber stranded wire structure |
| CN203382658U (en) * | 2013-08-16 | 2014-01-08 | 武汉鑫友泰光电科技有限公司 | High-purity quartz fiber sliver |
| CN106868675A (en) * | 2017-01-25 | 2017-06-20 | 清华大学 | A kind of continuous preparation device of nanofiber covering yarn |
| CN208038714U (en) * | 2018-03-20 | 2018-11-02 | 河南神玖复合材料有限公司 | Quartz fibre revolving body product process equipment |
-
2018
- 2018-03-20 CN CN201810228927.9A patent/CN110306292B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000086271A (en) * | 1998-09-17 | 2000-03-28 | Sumitomo Electric Ind Ltd | Method and apparatus for producing optical fiber preform |
| CN102212894A (en) * | 2011-05-14 | 2011-10-12 | 青岛大学 | Electrostatic spinning device with frame collecting type nanometer fiber stranded wire structure |
| CN203382658U (en) * | 2013-08-16 | 2014-01-08 | 武汉鑫友泰光电科技有限公司 | High-purity quartz fiber sliver |
| CN106868675A (en) * | 2017-01-25 | 2017-06-20 | 清华大学 | A kind of continuous preparation device of nanofiber covering yarn |
| CN208038714U (en) * | 2018-03-20 | 2018-11-02 | 河南神玖复合材料有限公司 | Quartz fibre revolving body product process equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112481835A (en) * | 2020-11-30 | 2021-03-12 | 厦门当盛新材料有限公司 | Production method of polyethylene film |
| CN112481835B (en) * | 2020-11-30 | 2022-08-23 | 厦门当盛新材料有限公司 | Production method of polyethylene film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110306292B (en) | 2023-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110306292A (en) | A kind of quartz fibre revolving body product process equipment | |
| CN208038714U (en) | Quartz fibre revolving body product process equipment | |
| CN109399343A (en) | A kind of yarn drafts rolling-up mechanism | |
| CN102965837A (en) | Knot tying machine and knot product preparation method thereof | |
| CN112442766B (en) | Double-yarn-feeding twisting type storage yarn feeder and application thereof | |
| CN108861729A (en) | A kind of cloth wrap-up of adjustable winding up roller | |
| CN210287922U (en) | Vertical-filament rock wool production line | |
| CN108639817A (en) | A kind of producing technology of non-woven fabrics | |
| CN102121148B (en) | Normal temperature damp heat processing method of polyester filament differential shrinkage air multi-textured yarns | |
| CN207828525U (en) | A kind of novel man-made fur braider | |
| CN107488911B (en) | A kind of spinning section increases pre- twisting spinning apparatus and Yarn spinning method paragraph by paragraph | |
| CN209383929U (en) | One kind having stereochemical structure spunbond hot-wind nonwoven cloth production line | |
| CN104404695B (en) | A kind of weft yarn auto-introducing device | |
| CN103547718B (en) | For the method and apparatus for producing braiding knot on multifilament thread | |
| CN2685298Y (en) | Forming mechanism for loose bobbin winder | |
| US2287557A (en) | Apparatus for continuously drawing and winding glass fibers | |
| CN212640907U (en) | Non-woven fabric stretching equipment capable of changing stretching length | |
| CN217154876U (en) | False eyelash production is with raw materials air-dries device | |
| US2729029A (en) | Method and apparatus for attenuating glass and other fibers | |
| CN210031003U (en) | Air pressure control device suitable for air texturing yarn processing | |
| CN214694694U (en) | Setting device of warp knitting cloth | |
| CN86103720A (en) | Rotary-printing on tubular fabric | |
| CN109338599B (en) | Processing method for producing glass fiber long fiber felt by dispersing glass fiber yarn bundles | |
| CN204530081U (en) | A kind of friction false twist device | |
| CN114892325B (en) | Prefabricated body densification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |