CN107640371A - A kind of firm means of defence of rotor oversheath pyrocondensation - Google Patents

A kind of firm means of defence of rotor oversheath pyrocondensation Download PDF

Info

Publication number
CN107640371A
CN107640371A CN201711082364.9A CN201711082364A CN107640371A CN 107640371 A CN107640371 A CN 107640371A CN 201711082364 A CN201711082364 A CN 201711082364A CN 107640371 A CN107640371 A CN 107640371A
Authority
CN
China
Prior art keywords
rotor
rotating shaft
thermal contraction
oversheath
pet
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
CN201711082364.9A
Other languages
Chinese (zh)
Inventor
程成
何立志
罗运福
何方良
胡桨
鲁其龙
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.)
FUSHENG INSULATION MATERIALS Co Ltd
Original Assignee
FUSHENG INSULATION 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 FUSHENG INSULATION MATERIALS Co Ltd filed Critical FUSHENG INSULATION MATERIALS Co Ltd
Priority to CN201711082364.9A priority Critical patent/CN107640371A/en
Publication of CN107640371A publication Critical patent/CN107640371A/en
Pending legal-status Critical Current

Links

Landscapes

  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

The present invention relates to a kind of firm means of defence of rotor oversheath pyrocondensation, its method includes following steps:A, one transparent PET heat shrink films are provided, the heat shrink films are pressed into tubulose, b, one rotor is provided, the rotor has a rotating shaft and a body, the body is crossed in the rotating shaft, the heat shrink films are sheathed on described in vitro, c, the rotor is positioned on a support frame, the rotating shaft is pivotally connected with support frame as described above, d, operate an air-heater, the base opening is shunk in the heat shrink films base opening periphery blowing hot-air, the rotating shaft is rotated manually while shrinking, the base opening is set to depend on the both ends of the body horizontal direction, e, peripheral blowing hot-air shrinks the middle part in the middle part of the heat shrink films, rotating shaft while shrinking, the middle part is set to depend on the body centre position.Body described in the heat shrink films tight so that the body not moisture-sensitive, corrosion, not by scratch.

Description

A kind of firm means of defence of rotor oversheath pyrocondensation
Technical field
It is firm more particularly to a kind of rotor oversheath pyrocondensation the present invention relates to a kind of rotor oversheath field The method of means of defence.
Background technology
The packaging of conventional rotor is typically packed using polythene material, the easy aging of this polyethylene packaging material and close Sealing property is poor, store and transportation in, easily cause rotor make moist, corrosion, so as to have impact on rotor just Often use.
Therefore solved the above problems, it is necessary to design a kind of new packing method.
The content of the invention
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of firm means of defence of rotor oversheath pyrocondensation, it includes following steps:One transparent PET thermal contraction is provided a, Film, the heat shrink films are pressed into tubulose, b, provide a rotor, the rotor has a body and is arranged on institute State the rotating shaft at body both ends, by the heat shrink films be sheathed on described it is external, c, the rotor is positioned over a support On frame, the rotating shaft is pivotally connected with support frame as described above, d, one air-heater of operation, makes institute in the heat shrink films base opening periphery blowing hot-air Base opening contraction is stated, the rotating shaft is rotated manually while shrinking, the base opening is depended on the two of the body horizontal direction End, e, peripheral blowing hot-air shrinks the middle part in the middle part of the heat shrink films, rotating shaft while shrinking, make it is described in Portion depends on the body centre position.
Rotor is wrapped up using the PET thermal contraction casing tubes, the rotor is wrapped up relative to polythene material and comes Say, parcel is even closer, can effectively prevent the rotor from making moist, corrosion and the magnet steel or other attached for being attached at rotor surface Part comes off when high speed rotates.
Further, the body is cylindric that the length of the PET thermal contraction casing tubes is longer than the length of the body.
The length of the PET thermal contraction casing tubes is longer than the length of the body, it is ensured that the PET thermal contraction casing tubes are shrinking Afterwards, will not be reduced because of the PET thermal contraction casing tubes cause part main body parcel less than.
Further, a slide bar, the litter and the shaft parallel, the air-heater are provided with above the rotor It is installed on the slide bar.
Further, one end of the rotating shaft is provided with a heat insulation handle, and the heat insulation handle is mutually perpendicular to the rotating shaft.
Further, a support meanss are provided with below the PET thermal contraction casing tubes, the support meanss are described to position PET thermal contraction casing tubes.
A kind of rotor oversheath pyrocondensation fastens means of defence, and it includes following steps:A kind of PET rings are provided a, Oxygen glue b, provides a rotor, the rotor has a rotating shaft and is arranged on by spiral compound thermal contraction casing tube The rotating shaft at the body both ends, by the PET thermal contraction casing tubes be sheathed on described it is external, c, the rotor is positioned over On one support frame, the rotating shaft and support frame as described above are pivotally connected, and d, the rotor and support frame as described above are positioned over into a device Heating gate before, the rotating shaft is connected with a motor, e, the operation motor make the motor drive the rotating shaft Rotate, and run the heater box, the heater box is uniformly transferred heat to the shrink film.
The PET thermal contraction casing tubes are heated using the heater box, the whole PET thermal contraction casing tubes can be made heated equal Even, the PET heat shrinking sleeves pipe surface is more smooth, and parcel effect is even closer.
Further, the heater is a heater box, and the rotor and support frame as described above are placed on described add In hot tank, the heater box is provided with a temperatuer detector in side wall, and the temperatuer detector is detecting in the heater box Temperature.
Further, the heater is an air-heater, and the heating gate of the air-heater faces the rotor One side.
Further, the length of the PET thermal contraction casing tubes is longer than the length of the body, and the PET heat shrinking sleeves The diameter of pipe is more than the diameter of the body.
A kind of rotor oversheath, it is characterised in that including:PET base material, base material are answered with a kind of epoxy glue by spiral Round tubular sleeve pipe is synthesized, the helix sleeve pipe includes the outer layer base material of winding in a manner of spiral winding and is arranged at Internal layer base material in outer layer base material, the width of the outer layer base material and internal layer base material slightly have difference;Adhesive layer, it is arranged at described outer It is a kind of resistant to elevated temperatures epoxy resin, the adhesive layer is glue layer between layer base material and internal layer base material.
The present invention operation principle be:The PET thermal contraction casing tubes can be gradually to the side of the body in thermal histories To contraction so that body described in PET thermal contraction casing tube tights.
Beneficial effects of the present invention are:Body described in the PET thermal contraction casing tubes tight so that the body is not easy Make moist, corrosion and be attached at rotor surface magnet steel or other annexes high speed rotate when come off.
Brief description of the drawings
The invention will be further described for accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the step a and b of first embodiment of the invention schematic diagram;
Fig. 2 is the step c and d of first embodiment of the invention schematic diagram;
Fig. 3 is the schematic diagram of second embodiment of the invention;
Fig. 4 is the schematic diagram of third embodiment of the invention;
Fig. 5 is the schematic diagram of fourth embodiment of the invention;
Fig. 6 is the finished figure after implementation of the present invention;
Fig. 7 is the structural representation of heat shrink films of the present invention.
Embodiment
As shown in Figure 1, Figure 2 with shown in Fig. 5, a kind of rotor oversheath pyrocondensation fastening of one embodiment of the invention offer is anti- Maintaining method, it is characterised in that this method includes following steps:First, there is provided a kind of PET epoxy glues are compound by spiral Thermal contraction casing tube.Second, there is provided a rotor 2, the rotor 2 have a body 22 and be arranged on 22 liang of the body The rotating shaft 21 at end, the body 22 are cylindric, and the PET thermal contraction casing tubes 1 can coordinate with the body 22, by described in PET thermal contraction casing tubes 1 are sheathed on outside the body 22, gap be present between the PET thermal contraction casing tubes 1 and the body 22. 3rd, the rotor 2 is positioned on a support frame 3, the rotating shaft 21 is pivotally connected with support frame as described above 3.4th, the electricity The top of machine rotor 2 is provided with a slide bar 5, and the litter is parallel with the rotating shaft 21, and an air-heater 4 is installed on the slide bar 5, behaviour Make the air-heater 4, shrink the base opening in the base opening periphery blowing hot-air of institute's PET thermal contraction casing tubes 1, it is manual while shrinking The rotating shaft 21 is rotated, the base opening is depended on the both ends of the horizontal direction of body 22, eliminates the PET thermal contraction casing tubes Gap between 1 and the base opening, the air-heater 4 is moved on into the PET heat shrinking sleeves along the slide bar 5 from the base opening The base opening of the other end of pipe 1, the blowing hot-air of air-heater 4 is then operated, the base opening is shunk.5th, by the air-heater 4 along The slide bar 5 moves on to the middle part of PET thermal contraction casing tubes 1 from the base opening, blows heat in the middle part periphery of PET thermal contraction casing tubes 1 Wind shrinks the middle part, the rotating shaft 21 while shrinking, the middle part is depended on the centre position of body 22, disappears Except the gap between the PET thermal contraction casing tubes 1 and the middle part so that the body 22 not moisture-sensitive, corrosion, moreover it is possible to protect The body 22 is not by external object scratch.The length of the PET thermal contraction casing tubes 1 is longer than the length of the body 22, it is ensured that The heat shrink films 1 after shrinking, will not be reduced because of the PET thermal contraction casing tubes 1 cause part main body parcel less than.
If Fig. 3 is the second embodiment of the present invention, it is with first embodiment difference, one end of the rotating shaft 21 is set There is a heat insulation handle 8, the heat insulation handle 8 is mutually perpendicular to the rotating shaft 21, and the heat insulation handle 8 facilitates hand to hold to described Rotating shaft 21 is rotated.The lower section of PET thermal contraction casing tubes 1 is provided with a support meanss 9, and the support meanss 9 are to position PET thermal contraction casing tubes 1 are stated, prevent the PET thermal contraction casing tubes 1 from departing from the position of script in heating.
If Fig. 4 and Fig. 6 is the third embodiment of the present invention, it is characterised in that this method includes following steps:First, A kind of PET epoxy glues are provided and pass through the compound thermal contraction casing tube of spiral.Second, there is provided a rotor 2, the rotor 2 have a body 22 and are arranged on the rotating shaft 21 at the both ends of body 22, and the body 22 is cylindric, and the rotating shaft 21 is crossed The body 22, the PET thermal contraction casing tubes 1 are sheathed on outside the body 22, the length of the heat shrink films 1 is longer than described The length of body 22, and the diameter of the PET thermal contraction casing tubes 1 is more than the diameter of the body 22, the PET thermal contraction casing tubes Gap be present between 1 and the body 22.3rd, the rotor 2 is positioned on a support frame 3, the rotating shaft 21 with Support frame as described above 3 is pivotally connected.4th, before the rotor 2 and support frame as described above 3 to be positioned over to the heating gate of a heater 6, The heater 6 is a heater box 61, and the rotor 2 and support frame as described above 3 are located in the heater box 61, described to add Hot tank 61 is provided with a temperatuer detector 611 in side wall, and the temperatuer detector 611 is detecting the temperature in the heater box 61 Degree, the heat time of the convenient heater box 61 according to temperature control, then the rotating shaft 21 is connected with a motor.The Five, running the motor makes the motor drive the rotating shaft 21 to rotate, and runs the heater box 61, makes the heating Case 61 uniformly transfers heat to the shrink film, and the heat of PET thermal contraction casing tubes 1 is shunk, will the whole main part parcel Firmly, the gap between the PET thermal contraction casing tubes 1 and the main part is eliminated so that the body 22 not moisture-sensitive, corrosion, The body 22 can also be protected not by external object scratch.The length of the PET thermal contraction casing tubes 1 is longer than the length of the body 22 Degree, it is ensured that after shrinking, will not be reduced because of the PET thermal contraction casing tubes 1 causes described in part the PET thermal contraction casing tubes 1 Main body parcel less than.
Fig. 5 is the fourth embodiment of the present invention, is with 3rd embodiment difference, and the heater 6 is a heat Blower fan 4, the heating gate of the air-heater 4 face the one side of the rotor 2.
As shown in fig. 7, the PET thermal contraction casing tubes 1 include the base material 10 of multilayer, the base material 10 encompasses round tube Shape, circular base material 10 are interior formed with hollow inner chamber.The base material 10 includes the outer layer base material 11 of winding in a helical pattern And the internal layer base material 12 in outer layer base material 11 is arranged at, the width of the outer layer base material 11 and internal layer base material 12 slightly has difference, During winding, it is staggered between the outer layer base material 11 and internal layer base material 12.Adhesive layer 13, be arranged at the outer layer base material 11 with Between internal layer base material 12, the adhesive layer 13 is glue layer.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of firm means of defence of rotor oversheath pyrocondensation, it is characterised in that this method includes following steps:
A, a kind of PET epoxy glues are provided by the compound thermal contraction casing tube of spiral,
B, a rotor is provided, the rotor has a body and is arranged on the rotating shaft at the body both ends, by described in PET thermal contraction casing tubes are sheathed on described in vitro,
C, the rotor being positioned on a support frame, the rotating shaft is pivotally connected with support frame as described above,
D, a heat gun is operated, blowing hot-air shrinks the base opening in the PET thermal contraction casing tubes base opening periphery, in the same of contraction Shi Shoudong rotates the rotating shaft, the base opening is depended on the both ends of the body horizontal direction,
E, peripheral blowing hot-air shrinks the middle part in the middle part of the PET thermal contraction casing tubes, rotating shaft while shrinking, makes The middle part depends on the body centre position.
A kind of 2. rotor oversheath pyrocondensation fastening means of defence according to claim 1, it is characterised in that:Described Body is cylindric, and the length of the PET thermal contraction casing tubes is longer than the length of the body.
A kind of 3. rotor oversheath pyrocondensation fastening means of defence according to claim 1, it is characterised in that:The electricity A slide bar is provided with above machine rotor, the litter and the shaft parallel, the heat gun are installed on the slide bar.
A kind of 4. rotor oversheath pyrocondensation fastening means of defence according to claim 1, it is characterised in that:Described turn One end of axle is provided with a heat insulation handle, and the heat insulation handle is mutually perpendicular to the rotating shaft.
A kind of 5. rotor oversheath pyrocondensation fastening means of defence according to claim 1, it is characterised in that:It is described It is provided with a support meanss below PET thermal contraction casing tubes, the support meanss are positioning the PET thermal contraction casing tubes.
6. a kind of rotor oversheath pyrocondensation fastens means of defence, it is characterised in that this method includes following steps:
A, a kind of PET epoxy glues are provided by the compound thermal contraction casing tube of spiral,
B, a rotor is provided, the rotor has a body and is arranged on the rotating shaft at the body both ends, by described in This is external described in PET thermal contraction casing tubes Guan Yu,
C, the rotor being positioned on a support frame, the rotating shaft is pivotally connected with support frame as described above,
D, it is before the rotor and support frame as described above being positioned over to the heating gate of a heater, the rotating shaft and one is electronic Machine connects,
E, running the motor makes the motor drive the axis of rotation, and runs the heater box, makes the heating Case uniformly transfers heat to the shrink film.
A kind of 7. rotor oversheath pyrocondensation fastening means of defence according to claim 6, it is characterised in that:It is described to add Hot charging is set to a heater box, and the rotor and support frame as described above are placed in the heater box, and the heater box is in side wall Provided with a temperatuer detector, the temperatuer detector is detecting the temperature in the heater box.
A kind of 8. rotor oversheath pyrocondensation fastening means of defence according to claim 6, it is characterised in that:It is described to add Hot charging is set to an air-heater, and the heating gate of the air-heater faces the one side of the rotor.
A kind of 9. rotor oversheath pyrocondensation fastening means of defence according to claim 6, it is characterised in that:It is described The length of PET thermal contraction casing tubes is longer than the length of the body, and the diameter of the PET thermal contraction casing tubes is more than the body Diameter.
A kind of 10. rotor oversheath, it is characterised in that including:
PET base material, base material are combined into round tubular sleeve pipe with a kind of epoxy glue by spiral,
The helix sleeve pipe includes the outer layer base material of winding in a manner of spiral winding and is arranged in outer layer base material Internal layer base material, the width of the outer layer base material and internal layer base material slightly have difference;
Adhesive layer, it is arranged between the outer layer base material and internal layer base material, is a kind of resistant to elevated temperatures epoxy resin, the adhesive layer For glue layer.
CN201711082364.9A 2017-11-07 2017-11-07 A kind of firm means of defence of rotor oversheath pyrocondensation Pending CN107640371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711082364.9A CN107640371A (en) 2017-11-07 2017-11-07 A kind of firm means of defence of rotor oversheath pyrocondensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711082364.9A CN107640371A (en) 2017-11-07 2017-11-07 A kind of firm means of defence of rotor oversheath pyrocondensation

Publications (1)

Publication Number Publication Date
CN107640371A true CN107640371A (en) 2018-01-30

Family

ID=61125550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711082364.9A Pending CN107640371A (en) 2017-11-07 2017-11-07 A kind of firm means of defence of rotor oversheath pyrocondensation

Country Status (1)

Country Link
CN (1) CN107640371A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738826A (en) * 2017-11-15 2018-02-27 肇庆高新区徒瓦科技有限公司 A kind of rotor outer sheath tube
CN108747266A (en) * 2018-06-28 2018-11-06 南京晨光集团有限责任公司 A kind of face protectors and method of complicated shape axial workpiece
CN115021160A (en) * 2022-07-01 2022-09-06 北京中车赛德铁道电气科技有限公司 High-voltage cable terminal manufacturing device for rolling stock

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236253A1 (en) * 1982-09-30 1984-04-05 Ing. Paul Joosten Verpackungstechnik, 4180 Goch Method and device for shrinking a film wrap on a stack of piece goods on a pallet
CN2341901Y (en) * 1998-05-29 1999-10-06 陆启明 Thermal shrinking sleeve for coating aluminium
CN1275945A (en) * 1997-10-16 2000-12-06 诺马科公司 Spiral formed products and method of manufacture
CN2585814Y (en) * 2002-12-03 2003-11-12 无锡市兴达尼龙有限公司 Packaging structure of bundled bristle
US20050098679A1 (en) * 2003-11-11 2005-05-12 Sonoco Development, Inc. Tubular core with polymer plies
CN1707920A (en) * 2004-06-09 2005-12-14 乐金电子(天津)电器有限公司 DC brushless electric machine rotor magnetic fixed parts and fixing method
CN200990526Y (en) * 2006-12-22 2007-12-12 卢沛女 Rotor coated with heat shrinkable film
CN201095476Y (en) * 2007-09-27 2008-08-06 钟从兵 Polyester film pyrocondensation guide tube
CN204415876U (en) * 2015-02-02 2015-06-24 长春大东集团有限公司 Pyrocondensation equipment
CN205097533U (en) * 2015-11-06 2016-03-23 上海大发金属制品有限公司 Automatic pyrocondensation pipe machine scalds
CN106800102A (en) * 2017-03-17 2017-06-06 湖州优创科技有限公司 A kind of automatic packaging and paper cutter for rotor
CN206261579U (en) * 2016-08-24 2017-06-20 重庆金山科技(集团)有限公司 A kind of erecting device being sheathed with for thermal shrinkable sleeve in electronic device group

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3236253A1 (en) * 1982-09-30 1984-04-05 Ing. Paul Joosten Verpackungstechnik, 4180 Goch Method and device for shrinking a film wrap on a stack of piece goods on a pallet
CN1275945A (en) * 1997-10-16 2000-12-06 诺马科公司 Spiral formed products and method of manufacture
CN2341901Y (en) * 1998-05-29 1999-10-06 陆启明 Thermal shrinking sleeve for coating aluminium
CN2585814Y (en) * 2002-12-03 2003-11-12 无锡市兴达尼龙有限公司 Packaging structure of bundled bristle
US20050098679A1 (en) * 2003-11-11 2005-05-12 Sonoco Development, Inc. Tubular core with polymer plies
CN1707920A (en) * 2004-06-09 2005-12-14 乐金电子(天津)电器有限公司 DC brushless electric machine rotor magnetic fixed parts and fixing method
CN200990526Y (en) * 2006-12-22 2007-12-12 卢沛女 Rotor coated with heat shrinkable film
CN201095476Y (en) * 2007-09-27 2008-08-06 钟从兵 Polyester film pyrocondensation guide tube
CN204415876U (en) * 2015-02-02 2015-06-24 长春大东集团有限公司 Pyrocondensation equipment
CN205097533U (en) * 2015-11-06 2016-03-23 上海大发金属制品有限公司 Automatic pyrocondensation pipe machine scalds
CN206261579U (en) * 2016-08-24 2017-06-20 重庆金山科技(集团)有限公司 A kind of erecting device being sheathed with for thermal shrinkable sleeve in electronic device group
CN106800102A (en) * 2017-03-17 2017-06-06 湖州优创科技有限公司 A kind of automatic packaging and paper cutter for rotor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738826A (en) * 2017-11-15 2018-02-27 肇庆高新区徒瓦科技有限公司 A kind of rotor outer sheath tube
CN108747266A (en) * 2018-06-28 2018-11-06 南京晨光集团有限责任公司 A kind of face protectors and method of complicated shape axial workpiece
CN108747266B (en) * 2018-06-28 2024-01-23 南京晨光集团有限责任公司 Surface protection device and method for shaft parts with complex shapes
CN115021160A (en) * 2022-07-01 2022-09-06 北京中车赛德铁道电气科技有限公司 High-voltage cable terminal manufacturing device for rolling stock

Similar Documents

Publication Publication Date Title
CN107640371A (en) A kind of firm means of defence of rotor oversheath pyrocondensation
CN107878825A (en) A kind of heat shrinkage film packing method and heat shrink films structure
US20110259509A1 (en) Pipe Joint Coating
GB1229612A (en)
CA2513506A1 (en) Fiber reinforced pipe
BR112016031019B1 (en) PIPE COATING FOR USE IN REPAIRING AND/OR REHABILITATION OF A PIPE, METHOD FOR INSTALLING THE SAME, AND FORMING TOOL FOR INSTALLING A PIPE COATING
CN107719787A (en) A kind of heat shrinkage film packing method and heat shrink films structure
CN107776984A (en) A kind of heat shrinkage film packing method and heat shrink films
BR112020006702A2 (en) groove geometry for field joints coated with injection molded polypropylene
ATE3904T1 (en) HEAT-INSULATED PIPE AND PROCESS FOR ITS MANUFACTURE.
RU2017134852A (en) COMPOSITE HOSE FOR REPAIRS OF DENSIFIED BLEEDING MEDIUM PIPELINES, METHOD OF MANUFACTURING SUCH A COMPOSITE HOSE AND METHOD OF REPAIRS OF DURABLE MEDIUM ENVIRONMENT WITH A COMPOSITE MANUAL
KR102144009B1 (en) double insulation pipe use for freeze protection and installation method thereof
JP2010162749A (en) Method for manufacturing pipe-lining material
JP2020045961A (en) Manufacturing method of resin pipe
CN108790212A (en) The method for preparing composite cylinder using composite fibre
CN108759175A (en) Cooling anti-corrosion organic coating pipe of one kind and preparation method thereof
JP3734438B2 (en) Method and apparatus for manufacturing flexible tube
JP5931036B2 (en) Oil stop structure of terminal connection
CN209245580U (en) The foaming of hard polyaminoester mold is combined insulating tube with polyethylene winding
CN103247421B (en) Pen-type ignition coil crack resistence built-in iron core and treatment process thereof
CN104071371A (en) Film wrapping machine for tubes
CN202918152U (en) Device for arranging protection layer on stator assembly
CN102946175B (en) Device for setting protection layer on stator assembly
CN206320468U (en) A kind of thermal contraction casing tube for being used to protect brake oil pipe
CN203209499U (en) Safe steel belt enhanced polyethylene helically-corrugated tube steel belt bending roller

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180130

RJ01 Rejection of invention patent application after publication