CN107447324A - Electrical heating hot gas spring case - Google Patents
Electrical heating hot gas spring case Download PDFInfo
- Publication number
- CN107447324A CN107447324A CN201710735670.1A CN201710735670A CN107447324A CN 107447324 A CN107447324 A CN 107447324A CN 201710735670 A CN201710735670 A CN 201710735670A CN 107447324 A CN107447324 A CN 107447324A
- Authority
- CN
- China
- Prior art keywords
- nowel
- top box
- electrical heating
- air compartment
- circulating
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
- D02J1/224—Selection or control of the temperature during stretching
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of electrical heating hot gas spring case, including casing, electrical heating elements, blower fan and the motor being connected with blower fan, casing includes the top box and nowel mutually fastened, top box is connected through the hinge with nowel, at the gap of the front and rear sides of top box and nowel connection, top box or lower chamber interior wall are respectively fixed with front side deep bead and rear side deep bead, and press strip is provided with the gap of top box and nowel, length direction of the press strip along the gap is set, tow Processing Room is provided with inside top box, circulating-heating air compartment is provided with nowel, circulating-heating air compartment connects with tow Processing Room, circulating-heating air compartment is provided with inlet scoop, blower fan is arranged in circulating-heating air compartment and set corresponding to inlet scoop, electrical heating elements are arranged in circulating-heating air compartment.The features such as electrical heating hot gas spring case can carry out drawing-off heat-shaping to tow, have good airproof performance, and heating effect is good, and guidance quality is good.
Description
Technical field
The present invention relates to technical field of textile machine, in particular to a kind of electrical heating hot gas spring case.
Background technology
Draw box is the visual plant of PET production processing, by setting different fast ratios between drafting machine, to complete
Stretching and drying and shaping to tow.It is provided with drying baker in draw box, in tow drafting process, controls drying baker heating-up temperature
Size and uniformity can effectively be lifted tow production stability, if when draft temperature is too low, tow can impact
Property the tiny crackle of crisp section of work, produce lousiness phenomenon；If temperature is too high, tow can then produce excessive refinement.
Draw box drying room surrounding of the prior art is provided with thermal insulation board, and each electric boiling plate is each attached to drying room frame
On, tow respectively has one piece of main electric boiling plate up and down, and respectively there is one block of auxiliary electrical heater plate at both ends, and 3 surveys are provided with working range
Warm spot, middle temperature measuring point are used for the temperature for showing drying room, and both sides temperature measuring point is used to control auxiliary electrical heater plate to open and close, away from tow
Electric boiling plate side be coated with heat-insulation layer.But there is certain gap the opening and closing place of the case lid of draw box and casing, heating
Thermal current afterwards easily flows out from the gap, it is impossible to ensures the circulation of the heating indoor hot air of drying baker, is susceptible to outer
The influence of boundary's air, and the hot blast temperature at the gap of case lid and casing can be low compared with the hot blast temperature at middle part so that dry
The hot blast of tow non-uniform temperature everywhere, so as to cause the sizing of tow bad.
The content of the invention
It is contemplated that solves one of above-mentioned technical problem to a certain extent.
In view of this, the invention provides a kind of electrical heating hot gas spring case, the electrical heating hot gas spring case to be carried out to tow
Drawing-off heat-shaping, there is good airproof performance, the features such as heating effect is good, and guidance quality is good.
In order to solve the above-mentioned technical problem, the invention provides a kind of electrical heating hot gas spring case, including casing, electrical heating member
Part, blower fan and the motor being connected with the blower fan, the casing include the top box and nowel mutually fastened, the top box
Be connected through the hinge with the nowel, at the gap being connected corresponding to the top box with the front and rear sides of the nowel, it is described on
Case or the lower chamber interior wall are respectively fixed with front side deep bead and rear side deep bead, and at the gap of the top box and the nowel
Provided with press strip, length direction of the press strip along the gap is set, and is provided with tow Processing Room inside the top box, in the nowel
Provided with circulating-heating air compartment, the circulating-heating air compartment is connected with the tow Processing Room, and the circulating-heating air compartment, which is provided with, to be inhaled
Air port, the blower fan are arranged in the circulating-heating air compartment and set corresponding to the inlet scoop, and the electrical heating elements are set
Put in the circulating-heating air compartment.
Further, the circulating-heating air compartment is arranged at institute including heating air compartment, plenum chamber and pressure stabilizing chamber, the plenum chamber
State above heating air compartment, the pressure stabilizing chamber is arranged above the plenum chamber, an end entrance and the tow of the inlet scoop
Processing Room connects, and other end outlet connects with the heating air compartment, and the heating air compartment connects with the plenum chamber, the static pressure
Room connects with the pressure stabilizing chamber, and the pressure stabilizing chamber connects with the tow Processing Room.
Further, the top of the pressure stabilizing chamber is provided with porous plate, and the porous plate has multiple through holes, into the voltage stabilizing
Indoor thermal current can enter in the tow Processing Room with to tow heat-shaping from the through hole.
Further, width of the electrical heating elements along the nowel is set, and one end is fixed on the inside of nowel, separately
One end is exposed to the nowel, and is fixed on by electrothermal tube attaching nut on the nowel.
Further, the electrical heating elements expose is provided with protective cover outside one end of the nowel.
Further, the top box is provided with temperature sensor, and the temperature-sensitive portion of the temperature sensor stretches into the tow and added
In work room.
Further, the circulating-heating air compartment periphery is provided with moving thermal insulation plate.
Further, the top box is connected with self-opening closure, the self-opening closure be include cylinder, hinged-support and
Fixed support, the fixed support are fixed on the casing side and are higher than the casing, and described cylinder one end passes through the hinge
Bearing is fixed on the open at one end of the upper lid, and the other end is fixed on the support bracket fastened crossbeam by the hinged-support.
Further, the press strip includes horizontal press strip and annulus press strip, and the horizontal press strip link is in the annulus press strip
Sidepiece.
Further, the pressure stabilizing chamber includes the pressure stabilizing chamber that multiple length directions along the nowel are set.
The technical effects of the invention are that：According to a kind of electrical heating hot gas spring case of the present invention, including casing, electrical heating member
Part, blower fan and motor, casing include the top box and nowel fastened, and tow Processing Room is provided with top box, is provided with and follows in nowel
Ring heats air compartment, and top box is connected through the hinge with nowel one end, and the front and rear sides junction of top box and nowel is respectively equipped with front side
Deep bead and rear side deep bead, so as to prevent hot blast from being flowed out from the gap of top box and nowel or outside air is from the gap
Flow into, the sealing in guard box body is good, the air circulation circulation in casing, and the air themperature that top box is flowed to from nowel is uniform
Unanimously.
In addition, being provided with press strip at the gap of top box and nowel, length direction of the press strip along top box is set, and is fastened when by top box
When on nowel, press strip is crushed at the gap of top box and nowel, can improve the sealing between top box and nowel, ensures circulation
The air of air and the external world inside heating air compartment is isolated entirely from, and ensures that the hot blast temperature of inflow in top box is consistent, not by outer
The influence of boundary's environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electrical heating hot gas spring case according to an embodiment of the invention.
Fig. 2 is a kind of left view of electrical heating hot gas spring case according to an embodiment of the invention.
Fig. 3 is according to the enlarged diagram in Fig. 2 at I.
Fig. 4 is according to the enlarged diagram in Fig. 2 at II.
Wherein, 1- casings；2- electrical heating elements；3- blower fans；4- motors；5- tow Processing Rooms；6- circulating-heating wind
Room；7- protective covers；8- hinges；9- press strips；10- temperature sensors；11- top boxs；12- nowels；Deep bead on front side of 13-；On rear side of 14-
Deep bead；15- cylinders；16- hinged-supports；17- fixed supports；21- electrothermal tube attaching nuts；61- inlet scoops；62- heats air compartment；
63- plenum chambers；64- pressure stabilizing chambers；81- top box connecting plates；82- nowel connecting plates.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the invention provides a kind of electrical heating hot gas spring case, including casing 1, electricity to add
Thermal element 2, blower fan 3 and the motor 4 being connected with blower fan 3, casing 1 includes mutually fastening and the top box 11 and nowel of connection
12, top box 11 is connected with nowel 12 by hinge 8, at the gap being connected corresponding to top box 11 with the front and rear sides of nowel 12, on
Case 11 or the inwall of nowel 12 are respectively fixed with front side deep bead 13 and rear side deep bead 14, and at the gap of top box 11 and nowel 12
Provided with press strip 9, length direction of the press strip 9 along the gap is set, and the inside of top box 11 is provided with tow Processing Room 5, is provided with nowel 12
Circulating-heating air compartment 6, circulating-heating air compartment 6 connect with tow Processing Room 5, and circulating-heating air compartment 6 is provided with inlet scoop 61, blower fan 3
It is arranged in circulating-heating air compartment 6 and is set corresponding to inlet scoop 61, electrical heating elements 2 is arranged in circulating-heating air compartment 6.
According to a kind of electrical heating hot gas spring case of the present invention, including casing 1, electrical heating elements 2, blower fan 3 and motor
4, casing 1 includes the top box 11 and nowel 12 fastened, and tow Processing Room 5 is provided with top box 11, circulating-heating is provided with nowel 12
Air compartment 6, top box 11 are connected with the one end of nowel 12 by hinge 8, and the front and rear sides junction of top box 11 and nowel 12 is respectively equipped with
Front side deep bead 13 and rear side deep bead 14, so as to prevent hot blast from being flowed out from the gap of top box 11 and nowel 12 or outside sky
Gas flows into from the gap, ensures that the sealing in casing 1 is good, the air circulation circulation in casing 1, is flowed to from nowel 12
The air themperature uniformity of case 11.
In addition, being provided with press strip 9 at the gap of top box 11 and nowel 12, length direction of the press strip 9 along top box 11 is set, as general
When top box 11 is fastened on nowel 12, press strip 9 is crushed at the gap of top box 11 and nowel 12, can improve top box 11 and nowel 12
Between sealing, the air and extraneous air for ensureing the inside of circulating-heating air compartment 6 be isolated entirely from, and ensures the interior stream of top box 11
The hot blast temperature entered is consistent, free from the influence of the external environment.
Set as shown in figure 1, circulating-heating air compartment 6 includes heating air compartment 62, plenum chamber 63 and pressure stabilizing chamber 64, plenum chamber 63
Above heating air compartment 62, pressure stabilizing chamber 64 is arranged at the top of plenum chamber 63, and an end entrance and the tow Processing Room 5 of inlet scoop 61 connect
Logical, other end outlet connects with heating air compartment 62, and heating air compartment 62 connects with plenum chamber 63, and plenum chamber 63 connects with pressure stabilizing chamber 64
Logical, pressure stabilizing chamber 64 connects with tow Processing Room 5.
Plenum chamber 63 is keeps the air containment room of certain pressure, so as to ensure that the air quantity into pressure stabilizing chamber 64 meets to want
Ask.
According to the specific embodiment of the present invention, the top of pressure stabilizing chamber 64 is provided with porous plate, and porous plate has multiple logical
Hole, it is fixed to be heated to tow in tow Processing Room 5 to enter into the thermal current in pressure stabilizing chamber 64 from the through hole that porous plate is set
Type.
As shown in figure 3, according to the specific embodiment of the present invention, connected between top box 11 and nowel 12 by hinge 8,
And hinge 8 is arranged on the rear end that top box 11 and nowel 12 connect, the front end of top box 11 can be lifted up and be separated with nowel 12, compared with
Company includes top box connecting plate 81, nowel connecting plate 82 and jointed shaft, and top box connecting plate 81 and nowel connecting plate 82 pass through jointed shaft
Connection, top box connecting plate 81 and nowel connecting plate 82 can be set around the center rotating of jointed shaft, jointed shaft along the length direction of top box
Put, and at the gap connected corresponding to top box 11 and nowel 12, the connecting plate of top box 11 is fixed on the outer wall of top box 11, nowel connects
Fishplate bar 82 is fixed on the outer wall of nowel 12, then when opening the open at one end of top box 11, it can turn an angle around jointed shaft,
So as to which top box 11 is opened.
According to the specific embodiment of the present invention, width of the electrical heating elements 2 along nowel 12 is set, and one end is fixed
In the inside of nowel 12, the other end is exposed to nowel 12, and is fixed on by electrothermal tube attaching nut 21 on nowel 12.
As shown in Fig. 2 electrical heating elements 2 expose is provided with protective cover 7 outside one end of nowel 12, protective cover 7 is to electrical heating
The bared end of element 2 plays certain protective effect, and protective cover 7 can prevent electrical heating elements 2 from personnel occurring after being powered and get an electric shock now
As.
As shown in figure 1, top box 11 is provided with temperature sensor 10, the temperature-sensitive portion of temperature sensor 10 stretches into tow Processing Room
In 5.
According to the specific embodiment of the present invention, temperature sensor 10 can be bimetallic thermometer, bimetallic thermometer
For the site environment of low temperature in measurement, can direct measurement steam or gas temperature, it is mainly by two or more sheet metals
Be superimposed the multilayered metal film of composition, utilizes the different principle work of degrees of expansion of two kinds of different metals when temperature changes
Make, when the temperature varies, the free end of temperature sensing device rotates therewith, so as to drive the pointer on thin axle to rotate,
Corresponding temperature is pointed out on dial.
According to the specific embodiment of the present invention, the periphery of circulating-heating air compartment 6 is provided with moving thermal insulation plate, moving thermal insulation
The heat that plate is used to reduce in circulating-heating air compartment 6 scatters and disappears.
According to the specific embodiment of the present invention, top box 11 is connected with self-opening closure, and self-opening closure is bag
Cylinder 15, hinged-support 16 and fixed support 17 are included, fixed support 17 is fixed on the side of casing 1 and is higher than casing 1, the one end of cylinder 15
The open at one end of upper lid is fixed on by hinged-support 16, the other end is fixed on by hinged-support 16 on the crossbeam of fixed support 17.
As shown in figure 3, according to the specific embodiment of the present invention, press strip 9 includes horizontal press strip and annulus press strip, horizontal
Press strip link passes through bolt in the sidepiece of annulus press strip, the ground surface setting by horizontal press strip parallel to the edge of top box 11
Fixed, the material of press strip 9 is silica gel material, has certain elasticity, and its compression effectiveness is more preferable, when top box 11 is fastened on into nowel
When on 12, annulus press strip is compressed, and is fitted at the gap of top box 11 and nowel 12, so as to realize the effect of sealing, is prevented outer
The air on boundary and the air circulation in casing 1.
Pressure stabilizing chamber 64 includes the pressure stabilizing chamber 64 that multiple length directions along nowel 12 are set.
It is as follows according to a kind of electrical heating heat-traction case of the present invention, its operation principle：
Blower fan 3 is rotated under the drive of motor 4, and the air of tow Processing Room 5 is delivered to heating wind by blower fan 3 from inlet scoop 61
In room 62, electrical heating elements 2 heat to the air-flow in heating air compartment 62；
Hot gas after heating enters plenum chamber 63 from the outlet of heating air compartment 62, air-flow the going out from plenum chamber 63 in plenum chamber 63
Mouthful flow into pressure stabilizing chamber 64, the air-flow in pressure stabilizing chamber 64 flowed out to by porous plate in tow Processing Room 5 tow dry it is fixed
Type；
It is sucked back into again in the presence of blower fan 3 in heating air compartment 62 into the air-flow in tow Processing Room 5, so that in casing 1
Air form the air-flow of a circulation, constantly heating, ensure the temperature uniformity in tow Processing Room 5, TEMP
Device 10 monitors the temperature in tow Processing Room 5 in real time, so that processing effect is more preferable.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of electrical heating hot gas spring case, including casing, electrical heating elements, blower fan and the driving electricity being connected with the blower fan
Machine, the casing include the top box and nowel mutually fastened, it is characterised in that the top box is connected with the nowel by hinge
Connect, at the gap being connected corresponding to the top box with the front and rear sides of the nowel, the top box or the lower chamber interior wall difference
Front side deep bead and rear side deep bead are fixed with, and press strip, the press strip edge are provided with the gap of the top box and the nowel
The length direction in the gap is set, and tow Processing Room is provided with inside the top box, circulating-heating air compartment, institute are provided with the nowel
State circulating-heating air compartment to connect with the tow Processing Room, the circulating-heating air compartment is provided with inlet scoop, and the blower fan is arranged on
Set in the circulating-heating air compartment and corresponding to the inlet scoop, the electrical heating elements are arranged on the circulating-heating air compartment
It is interior.
2. electrical heating hot gas spring case according to claim 1, it is characterised in that the circulating-heating air compartment includes heating wind
Room, plenum chamber and pressure stabilizing chamber, the plenum chamber are arranged above the heating air compartment, and the pressure stabilizing chamber is arranged at the plenum chamber
Top, an end entrance of the inlet scoop connect with the tow Processing Room, and other end outlet connects with the heating air compartment, institute
State heating air compartment to connect with the plenum chamber, the plenum chamber connects with the pressure stabilizing chamber, and the pressure stabilizing chamber adds with the tow
Work room connects.
3. electrical heating hot gas spring case according to claim 2, it is characterised in that the top of the pressure stabilizing chamber is provided with porous
Plate, the porous plate have multiple through holes, can add into the thermal current in the pressure stabilizing chamber from the through hole into the tow
With to tow heat-shaping in work room.
4. electrical heating hot gas spring case according to claim 1, it is characterised in that the electrical heating elements are along the nowel
Width is set, and one end is fixed on the inside of nowel, and the other end is exposed to the nowel, and is consolidated by electrothermal tube attaching nut
It is scheduled on the nowel.
5. electrical heating hot gas spring case according to claim 4, it is characterised in that the electrical heating elements expose the nowel
One end outside be provided with protective cover.
6. electrical heating hot gas spring case according to claim 1, it is characterised in that the top box is provided with temperature sensor,
The temperature-sensitive portion of the temperature sensor is stretched into the tow Processing Room.
7. electrical heating hot gas spring case according to claim 1, it is characterised in that the circulating-heating air compartment periphery is provided with
Moving thermal insulation plate.
8. electrical heating hot gas spring case according to claim 1, it is characterised in that the top box is connected with automatic lid closing/opening machine
Structure, the self-opening closure are to include cylinder, hinged-support and fixed support, and the fixed support is fixed on the casing side
And it is higher than the casing, described cylinder one end is fixed on the open at one end of the upper lid by the hinged-support, and the other end passes through
The hinged-support is fixed on the support bracket fastened crossbeam.
9. electrical heating hot gas spring case according to claim 1, it is characterised in that the press strip includes horizontal press strip and annulus
Press strip, sidepiece of the horizontal press strip link in the annulus press strip.
10. electrical heating hot gas spring case according to claim 2, it is characterised in that the pressure stabilizing chamber includes multiple along described
The pressure stabilizing chamber that the length direction of nowel is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735670.1A CN107447324A (en) | 2017-08-24 | 2017-08-24 | Electrical heating hot gas spring case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735670.1A CN107447324A (en) | 2017-08-24 | 2017-08-24 | Electrical heating hot gas spring case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107447324A true CN107447324A (en) | 2017-12-08 |
Family
ID=60493974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710735670.1A Withdrawn CN107447324A (en) | 2017-08-24 | 2017-08-24 | Electrical heating hot gas spring case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107447324A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532077A (en) * | 2018-06-01 | 2018-09-14 | 桐乡市建泰纺织有限公司 | A kind of heating drafting system for covering yarn |
| CN109604788A (en) * | 2019-01-24 | 2019-04-12 | 重庆佛思坦智能装备有限公司 | Mold electric arc increasing material manufacturing heat insulation system and method |
| CN112593323A (en) * | 2020-12-09 | 2021-04-02 | 南通新帝克单丝科技股份有限公司 | Water heating device for monofilament post-stretching |
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| JPH0941238A (en) * | 1995-07-26 | 1997-02-10 | Mitsuboshi Belting Ltd | Oven apparatus of cord treating machine |
| CN101845678A (en) * | 2009-03-23 | 2010-09-29 | 江苏鑫龙化纤机械有限公司 | Intelligent heat setting machine for high molecular fibers |
| CN102061585A (en) * | 2009-11-13 | 2011-05-18 | 陈如巧 | Heating system of ultra-strong high-molecule fiber intelligent high-temperature heat setting machine |
| CN102677201A (en) * | 2011-03-18 | 2012-09-19 | 江苏鑫龙化纤机械有限公司 | Box body structure of dry hot drafting box |
| US20160102421A1 (en) * | 2013-05-21 | 2016-04-14 | M.A.E. S.P.A. | Apparatus for stretching acrylic fibers in a pressurized steam environment and automatic fiber drawing-in device for said apparatus |
| CN106048754A (en) * | 2016-07-09 | 2016-10-26 | 江苏金斗重工有限公司 | Hot-air drawing box with uniform temperature and height |
| CN207468807U (en) * | 2017-08-24 | 2018-06-08 | 江苏金斗重工有限公司 | Electrical heating hot gas spring case |
-
2017
- 2017-08-24 CN CN201710735670.1A patent/CN107447324A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0941238A (en) * | 1995-07-26 | 1997-02-10 | Mitsuboshi Belting Ltd | Oven apparatus of cord treating machine |
| CN101845678A (en) * | 2009-03-23 | 2010-09-29 | 江苏鑫龙化纤机械有限公司 | Intelligent heat setting machine for high molecular fibers |
| CN102061585A (en) * | 2009-11-13 | 2011-05-18 | 陈如巧 | Heating system of ultra-strong high-molecule fiber intelligent high-temperature heat setting machine |
| CN102677201A (en) * | 2011-03-18 | 2012-09-19 | 江苏鑫龙化纤机械有限公司 | Box body structure of dry hot drafting box |
| US20160102421A1 (en) * | 2013-05-21 | 2016-04-14 | M.A.E. S.P.A. | Apparatus for stretching acrylic fibers in a pressurized steam environment and automatic fiber drawing-in device for said apparatus |
| CN106048754A (en) * | 2016-07-09 | 2016-10-26 | 江苏金斗重工有限公司 | Hot-air drawing box with uniform temperature and height |
| CN207468807U (en) * | 2017-08-24 | 2018-06-08 | 江苏金斗重工有限公司 | Electrical heating hot gas spring case |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532077A (en) * | 2018-06-01 | 2018-09-14 | 桐乡市建泰纺织有限公司 | A kind of heating drafting system for covering yarn |
| CN108532077B (en) * | 2018-06-01 | 2023-11-14 | 桐乡市建泰纺织有限公司 | Heating and drafting device for core spun yarn |
| CN109604788A (en) * | 2019-01-24 | 2019-04-12 | 重庆佛思坦智能装备有限公司 | Mold electric arc increasing material manufacturing heat insulation system and method |
| CN109604788B (en) * | 2019-01-24 | 2020-11-24 | 重庆佛思坦智能装备有限公司 | Heating and heat-preserving system and method for mold electric arc additive manufacturing |
| CN112593323A (en) * | 2020-12-09 | 2021-04-02 | 南通新帝克单丝科技股份有限公司 | Water heating device for monofilament post-stretching |
| CN112593323B (en) * | 2020-12-09 | 2022-07-01 | 南通新帝克单丝科技股份有限公司 | Water heating device for monofilament post-stretching |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171208 |