CN107311473A - Glass fiber infiltration agent oiling box agitating device and stirring means - Google Patents

Glass fiber infiltration agent oiling box agitating device and stirring means Download PDF

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Publication number
CN107311473A
CN107311473A CN201710423522.6A CN201710423522A CN107311473A CN 107311473 A CN107311473 A CN 107311473A CN 201710423522 A CN201710423522 A CN 201710423522A CN 107311473 A CN107311473 A CN 107311473A
Authority
CN
China
Prior art keywords
blade
fixed sleeving
agitating device
glass fiber
power transmission
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.)
Pending
Application number
CN201710423522.6A
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Chinese (zh)
Inventor
代平
周志豪
朱鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Tianze New Materials Co Ltd
Original Assignee
Chongqing Tianze New Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Tianze New Materials Co Ltd filed Critical Chongqing Tianze New Materials Co Ltd
Priority to CN201710423522.6A priority Critical patent/CN107311473A/en
Publication of CN107311473A publication Critical patent/CN107311473A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/12General methods of coating; Devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/07Stirrers characterised by their mounting on the shaft
    • B01F27/072Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis
    • B01F27/0723Stirrers characterised by their mounting on the shaft characterised by the disposition of the stirrers with respect to the rotating axis oblique with respect to the rotating axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/19Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/12General methods of coating; Devices therefor
    • C03C25/20Contacting the fibres with applicators, e.g. rolls

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The present invention relates to glass fiber wire-drawing oiling station technical field, a kind of glass fiber infiltration agent oiling box agitating device and stirring means are disclosed.The present invention is arranged on the power transmission shaft of oiling rolls both sides, including the fixed sleeving being set on the outside of power transmission shaft and the blade being arranged on the outside of fixed cover, the fixed sleeving outer surface is set for convex outward, curvature is 0.4 0.47, an elongated rectangle gap is provided with the wall of the fixed sleeving side in the axial direction, fixed sleeving is detachably secured on power transmission shaft;The blade is distributed along fixed sleeving periphery uniform intervals, and the blade lean is set, and blade is welded and fixed with fixed sleeving.The present invention is applied to large volume oiling box, simple in construction, can be prevented effectively from size skinning.

Description

Glass fiber infiltration agent oiling box agitating device and stirring means
Technical field
The present invention relates to glass fiber wire-drawing oiling station technical field, more particularly to a kind of glass fiber infiltration agent is applied Oil box agitating device and stirring means.
Background technology
Production glass fiber precursor, using pool kiln wiredrawing technology, passes through natural gas using various mineral powders as raw material at present , then will melting or multi mineral material powder is melted and forms glass metal by the natural gas mode mixed with electrical heating in tank furnace Glass metal be beamed into glass fiber filaments by bushing, needed in spun yarn drawing process coating size to glass fibers dimension table Face carries out protection processing.
Electronic-grade glass belongs to starch type size using most of size, and starch type size is extremely easily produced Raw precipitation, and the temperature in size oiling box is general under 60 DEG C or so, long-time hot conditions, baster tray interior Subregion size is influenceed easily to produce skinning by poor fluidity, directly affects size characteristic and glass fibre production The quality of product.In existing oiling box, mostly by reducing the volume of oiling box, accelerate the rate of circulating flow of size to avoid infiltration The skinning of agent or solidification, this mode are simple in construction, but disposal ability is smaller, it is impossible to adapt to large batch of production;Or applying The relative flow of size is formed in oil box, such as from oiling box front and back end while oil-feed, size is formed in oiling box pair The swash of wave is moved, it is to avoid size because it is of short duration it is static produce skinning, this mode is effective in a short time, when equipment parking A period of time or when entering oil flow rate and not reaching setting value, preventing the effect of skinning can have a greatly reduced quality, and this mode needs to set A plurality of petroleum pipeline is put, oiling box and related corollary equipment are complicated, and cost is higher.
The content of the invention
The present invention provides a kind of suitable for large volume oiling box, simple in construction, can be prevented effectively from size skinning Glass fiber infiltration agent oiling box agitating device and stirring means.
The technical problem of solution is:Existing oiling box small volume, and large volume oiling box can not effectively solve size Skinning.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that:
On glass fiber infiltration agent oiling box agitating device of the present invention, the power transmission shaft for being arranged on oiling rolls both sides, including it is set in Fixed sleeving and the blade being arranged on the outside of fixed cover on the outside of power transmission shaft, the fixed sleeving outer surface sets for convex outward Put, curvature is 0.4-0.47, be provided with an elongated rectangle gap on the wall of the fixed sleeving side in the axial direction, fixed sleeving can Dismounting is fixed on power transmission shaft;The blade is distributed along fixed sleeving periphery uniform intervals, and the blade lean is set, blade with Fixed sleeving is welded and fixed.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the fixed sleeving inner chamber are cylinder, The external diameter of internal diameter and power transmission shaft is adapted.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the length of the fixed sleeving is wherein 1.5-2 times of portion's external diameter.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the fixed sleeving use spring steel Into the width of rectangle gap is not more than the external diameter of power transmission shaft.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the fixed sleeving use stainless steel Into the width of rectangle gap is not less than the external diameter of power transmission shaft.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, fixation is additionally provided with the fixed sleeving Part, the fixture is bolt, steady pin or fixed buckle.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the blade quantity are 2-4 pieces, adjacent The incline direction of blade is reversed, and the angle α of the blade and fixed sleeving axis is 45 °.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the surface of the blade are set for curved surface, Curvature is 0.32-0.37, the negative cambers of adjacent blades towards identical, consistent with the rotation direction of power transmission shaft, the blade Highly it is 0.4-0.7 times of fixed sleeving internal diameter.
Glass fiber infiltration agent oiling box agitating device of the present invention, further, the blade and fixed sleeving are detachable It is fixed.
The stirring means of glass fiber infiltration agent oiling box agitating device of the present invention, power transmission shaft is with rotating speed R uniform rotation, band Dynamic agitating device uniform rotation, blade quantity is n, is obliquely installed, and the angle with fixed sleeving axis is α, adjacent agitating device The spacing of center line is L, specifically includes following steps:
Step 1: blade promote size in front of it along with direction to the left forward of the axial direction in α angles, with its phase Adjacent blade then promotes the size in front of it to be moved to corresponding right front, and blade alternate promotes size to both sides, to stir Projected area where mixing device is that the tangential angle that moves of the size in front of border region, adjacent two blade is 2 α;
Step 2: size under the promotion of blade along power transmission shaft in a spiral manner to two lateral movements, size per side it is dynamic Power frequency is 1/nR;
Step 3: convection current occurs for the size of size both sides at L/2, it is sufficiently mixed;
Step 4: agitating device uniform intervals are distributed so that the size in oiling box is in pair that blade is promoted and convection current is collided Recast is with lower uniform mixing, it is to avoid dead angle.
Glass fiber infiltration agent oiling box agitating device of the present invention compared with prior art, has the advantages that:
Glass fiber infiltration agent oiling box agitating device of the present invention is arranged at intervals agitating device on the power transmission shaft of oiling rolls both sides, During power transmission shaft at the uniform velocity rotates, the blade on fixed sleeving can be evenly driven to rotate, without being again individually stirring dress Dynamical system is installed, apparatus structure is simplified, energy resource consumption is reduced;Agitating device is arranged at intervals, and improves the equal of stirring Even property, can be prevented effectively from size precipitation or the phenomenon of skinning;The fixed sleeving outer surface of agitating device is set for curved surface, significantly Reduce resistance of the size in flow process;Blade surface is set for curved surface, improves the mobility of size, maximum journey The interaction that make use of between infiltration agent molecule of degree, improves stirring efficiency;Adjacent blades are staggered, and fixed cover The axis of pipe adds the flow direction of size in 45 ° of settings, exacerbates flow strength and the intensity that liquidates, improves infiltration The uniformity of agent, effectively avoids the precipitation and skinning of size.
Further is made to the glass fiber infiltration agent oiling box agitating device and stirring means of the present invention below in conjunction with the accompanying drawings Explanation.
Brief description of the drawings
Fig. 1 is the structural representation of agitating device in embodiment 1.
Fig. 2 is the structural representation of agitating device in embodiment 2.
Fig. 3 is the structural representation of agitating device in embodiment 3.
Fig. 4 is the use structural representation of embodiment 1.
Reference:
1- oiling rolls;2- power transmission shafts;3- fixed sleevings;31- rectangle gap;4- blades;5- fixed vias.
Embodiment
Embodiment 1
As shown in figure 1, glass fiber infiltration agent oiling box agitating device of the present invention, is arranged on the power transmission shaft 2 of the both sides of oiling rolls 1 On, as shown in figure 4, including the blade 4 for being set in the fixed sleeving 3 in the outside of power transmission shaft 2 and being arranged on the outside of fixed cover, fixed cover The inner chamber of pipe 3 is cylinder, and the external diameter of internal diameter and power transmission shaft 2 is adapted, and fixed sleeving 3 is made of spring steel, and its outer surface is Convex outward is set, and curvature is 0.4, and the length of fixed sleeving 3 is 1.5 times of its middle part external diameter, along axle on the side wall of fixed sleeving 3 Line direction is provided with an elongated rectangle gap 31, and the width of rectangle gap 31 is not more than the external diameter of power transmission shaft 2, and fixed sleeving 3 blocks Connect and be fixed on power transmission shaft 2;The quantity of blade 4 is 2, and symmetrical along the periphery of fixed sleeving 3, blade 4 is obliquely installed, with fixation The angle α of the axis of sleeve pipe 3 is 45 °, and the incline direction of two blades 4 is reversed, and the surface of blade 4 is set for curved surface, and curvature is 0.32, the negative cambers of adjacent blades 4 is towards identical, consistent with the rotation direction of power transmission shaft 2, and the height of blade 4 is fixed cover 0.7 times of the internal diameter of pipe 3, blade 4 is welded and fixed with fixed sleeving 3.
Embodiment 2
As shown in Fig. 2 glass fiber infiltration agent oiling box agitating device of the present invention, is arranged on the power transmission shaft 2 of the both sides of oiling rolls 1 On, including the fixed sleeving 3 in the outside of power transmission shaft 2 and the blade 4 being arranged on the outside of fixed cover are set in, the inner chamber of fixed sleeving 3 is Cylinder, the external diameter of internal diameter and power transmission shaft 2 is adapted, and fixed sleeving 3 is made of stainless steel, and its outer surface sets for convex outward Put, curvature is 0.44, the length of fixed sleeving 3 is 2 times of its middle part external diameter, be provided with the axial direction on the side wall of fixed sleeving 3 One elongated rectangle gap 31, the width of rectangle gap 31 is not less than the external diameter of power transmission shaft 2;Offered on the side wall of fixed sleeving 3 Fixed via 5, is fixed by fixture with power transmission shaft 2, and fixture is bolt or steady pin;The quantity of blade 4 is 3, along fixation The periphery uniform intervals distribution of sleeve pipe 3, blade 4 is obliquely installed, the angle α with the axis of fixed sleeving 3 is 45 °, and adjacent blades 4 incline Tilted direction is reversed, and the surface of blade 4 is that curved surface is set, and curvature is 0.37, and the negative cambers of adjacent blades 4 is towards identical, equal Consistent with the rotation direction of power transmission shaft 2, the height of blade 4 is 0.4 times of the internal diameter of fixed sleeving 3, the bottom side of the wall surface pair of blade 4 Title is provided with elongated card and dashed forward, and the outer surface of fixed sleeving 3 is provided with circumferentially uniformly to be set with the prominent adaptable neck of card, neck Put, blade 4 is detachably fixed by the way that card is prominent with the neck on fixed sleeving 3.
Embodiment 3
As shown in figure 3, glass fiber infiltration agent oiling box agitating device of the present invention, is arranged on the power transmission shaft 2 of the both sides of oiling rolls 1 On, including the fixed sleeving 3 in the outside of power transmission shaft 2 and the blade 4 being arranged on the outside of fixed cover are set in, the inner chamber of fixed sleeving 3 is Cylinder, the external diameter of internal diameter and power transmission shaft 2 is adapted, and fixed sleeving 3 is made of spring steel, and its outer surface sets for convex outward Put, curvature is 0.47, the length of fixed sleeving 3 is 1.7 times of its middle part external diameter, set in the axial direction on the side wall of fixed sleeving 3 There is an elongated rectangle gap 31, the width of rectangle gap 31 is not more than the external diameter of power transmission shaft 2, and fixed sleeving 3 passes through fixture It is fixed on power transmission shaft 2, fixture is fixed buckle, fixed buckle is arranged on the side of rectangle gap 31, and rectangle gap 31 is another Side offers fixing groove, and fixed buckle is corresponding with the position of fixing groove, and fixed buckle is fixed with fixing groove locks;Blade 4 is counted Measure as 4, be distributed along the periphery uniform intervals of fixed sleeving 3, blade 4 is obliquely installed, and the angle α with the axis of fixed sleeving 3 is 45 °, the incline direction of adjacent blades 4 is reversed, and the surface of blade 4 is set for curved surface, and curvature is 0.35, adjacent blades 4 Negative camber is towards identical, consistent with the rotation direction of power transmission shaft 2, and the height of blade 4 is 0.5 times of the internal diameter of fixed sleeving 3, leaf Piece 4 is detachably fixed with fixed sleeving 3 by bolt.
The stirring means of glass fiber infiltration agent oiling box agitating device of the present invention specifically include following steps:
Step 1: power transmission shaft 2 is with rotating speed R uniform rotation, agitating device uniform rotation is driven, the quantity of blade 4 is n, is obliquely installed, Angle with the axis of fixed sleeving 3 is α, blade 4 promote size in front of it along with axial direction in α angles direction to the left Forward, blade 4 adjacent thereto then promotes the size in front of it to be moved to corresponding right front, and blade 4 is alternately to two Side promotes size, and border region is in projected area where using agitating device, and the motion of the size in the adjacent front of two blade 4 is tangential Angle be 2 α;
Step 2: size under the promotion of blade 4 along power transmission shaft 2 in a spiral manner to two lateral movements, size per side Power frequency is 1/nR;
Step 3: the spacing of adjacent agitating device center line is L, convection current occurs for the size of both sides at L/2, is sufficiently mixed;
Step 4: agitating device uniform intervals are distributed so that the size in oiling box is in pair that blade 4 is promoted and convection current is collided Recast is with lower uniform mixing, it is to avoid dead angle.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention In various modifications and improvement that case is made, the protection domain that claims of the present invention determination all should be fallen into.

Claims (10)

1. glass fiber infiltration agent oiling box agitating device, it is characterised in that:It is arranged on oiling rolls(1)The power transmission shaft of both sides(2) On, including it is set in power transmission shaft(2)The fixed sleeving in outside(3)With the blade being arranged on the outside of fixed cover(4), the fixed cover Pipe(3)Outer surface is set for convex outward, and curvature is 0.4-0.47, the fixed sleeving(3)It is provided with the axial direction on the wall of side One elongated rectangle gap(31), fixed sleeving(3)It is detachably secured to power transmission shaft(2)On;The blade(4)Along fixed sleeving (3)Periphery uniform intervals distribution, the blade(4)It is obliquely installed, blade(4)With fixed sleeving(3)It is welded and fixed.
2. glass fiber infiltration agent oiling box agitating device according to claim 1, it is characterised in that:The fixed sleeving (3)Inner chamber is cylinder, internal diameter and power transmission shaft(2)External diameter be adapted.
3. glass fiber infiltration agent oiling box agitating device according to claim 2, it is characterised in that:The fixed sleeving (3)Length be its middle part 1.5-2 times of external diameter.
4. glass fiber infiltration agent oiling box agitating device according to claim 3, it is characterised in that:The fixed sleeving (3)It is made of spring steel, rectangle gap(31)Width be not more than power transmission shaft(2)External diameter.
5. glass fiber infiltration agent oiling box agitating device according to claim 3, it is characterised in that:The fixed sleeving (3)It is made of stainless steel, rectangle gap(31)Width be not less than power transmission shaft(2)External diameter.
6. glass fiber infiltration agent oiling box agitating device according to claim 5, it is characterised in that:The fixed sleeving (3)On be additionally provided with fixture, the fixture is bolt, steady pin or fixed buckle.
7. glass fiber infiltration agent oiling box agitating device according to claim 6, it is characterised in that:The blade(4) Quantity is 2-4 pieces, adjacent blades(4)Incline direction be reversed, the blade(4)With fixed sleeving(3)The angle α of axis For 45 °.
8. glass fiber infiltration agent oiling box agitating device according to claim 7, it is characterised in that:The blade(4) Surface be curved surface set, curvature is 0.32-0.37, adjacent blades(4)Negative camber towards identical, and power transmission shaft(2)'s Rotation direction is consistent, the blade(4)Height be fixed sleeving(3)0.4-0.7 times of internal diameter.
9. glass fiber infiltration agent oiling box agitating device according to claim 8, it is characterised in that:The blade(4) With fixed sleeving(3)It is detachably fixed.
10. the stirring means of the glass fiber infiltration agent oiling box agitating device described in claim 1-9 any one, its feature It is:Power transmission shaft(2)With rotating speed R uniform rotation, agitating device uniform rotation, blade are driven(4)Quantity is n, is obliquely installed, with Fixed sleeving(3)The angle of axis is α, and the spacing of adjacent agitating device center line is L, specifically includes following steps:
Step 1: blade(4)Promote size in front of it along with direction to the left forward of the axial direction in α angles, with Its adjacent blade(4)The size in front of it is then promoted to be moved to corresponding right front, blade(4)Alternately promote and soak to both sides Moisten agent, border region is in projected area where using agitating device, adjacent two blade(4)The tangential angle of motion of the size in front For 2 α;
Step 2: size is in blade(4)Promotion under along power transmission shaft(2)In a spiral manner to two lateral movements, the infiltration per side The power frequency of agent is 1/nR;
Step 3: convection current occurs for the size of size both sides at L/2, it is sufficiently mixed;
Step 4: agitating device uniform intervals are distributed so that the size in oiling box is in blade(4)Promote what is collided with convection current Uniformly mixed under double action, it is to avoid dead angle.
CN201710423522.6A 2017-06-07 2017-06-07 Glass fiber infiltration agent oiling box agitating device and stirring means Pending CN107311473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710423522.6A CN107311473A (en) 2017-06-07 2017-06-07 Glass fiber infiltration agent oiling box agitating device and stirring means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710423522.6A CN107311473A (en) 2017-06-07 2017-06-07 Glass fiber infiltration agent oiling box agitating device and stirring means

Publications (1)

Publication Number Publication Date
CN107311473A true CN107311473A (en) 2017-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710423522.6A Pending CN107311473A (en) 2017-06-07 2017-06-07 Glass fiber infiltration agent oiling box agitating device and stirring means

Country Status (1)

Country Link
CN (1) CN107311473A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104178961A (en) * 2014-05-30 2014-12-03 安徽丹凤电子材料股份有限公司 Glass fiber cloth infiltration device
CN204385064U (en) * 2014-12-29 2015-06-10 广州忠信世纪玻纤有限公司 A kind of glass fiber wire-drawing integral type baster
CN204841542U (en) * 2015-07-21 2015-12-09 百宁纺织化工(中山)有限公司 Cylinder body agitating unit
CN205868045U (en) * 2016-06-27 2017-01-11 长兴大胜环保科技有限公司 Ready -package agitating unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104178961A (en) * 2014-05-30 2014-12-03 安徽丹凤电子材料股份有限公司 Glass fiber cloth infiltration device
CN204385064U (en) * 2014-12-29 2015-06-10 广州忠信世纪玻纤有限公司 A kind of glass fiber wire-drawing integral type baster
CN204841542U (en) * 2015-07-21 2015-12-09 百宁纺织化工(中山)有限公司 Cylinder body agitating unit
CN205868045U (en) * 2016-06-27 2017-01-11 长兴大胜环保科技有限公司 Ready -package agitating unit

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Application publication date: 20171103

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