CN204664641U - A kind of continuous winding strengthens structure-wall pipe material - Google Patents
A kind of continuous winding strengthens structure-wall pipe material Download PDFInfo
- Publication number
- CN204664641U CN204664641U CN201520296014.2U CN201520296014U CN204664641U CN 204664641 U CN204664641 U CN 204664641U CN 201520296014 U CN201520296014 U CN 201520296014U CN 204664641 U CN204664641 U CN 204664641U
- Authority
- CN
- China
- Prior art keywords
- wall
- special
- shaped single
- wall corrugated
- continuous winding
- 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- Withdrawn - After Issue
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/566—Winding and joining, e.g. winding spirally for making tubular articles followed by compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
- B29C69/002—Winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
Abstract
The utility model discloses a kind of continuous winding and strengthen structure-wall pipe material, the hollow reinforced rib of this continuous winding enhancing structure-wall pipe material is adhesively fixed by least two special-shaped single-wall corrugated pipes and forms outer ripple, because special-shaped single-wall corrugated pipe can bend by internal stress free arbitrarily, and suitable shape can be selected, in Wrapping formed process, the height of hollow reinforced rib and tortuosity can have larger range of choice, be conducive to the structural walls height and the moment of inertia that improve tubing, thus Economy ground strengthens the ring stiffness of tubing, simultaneously, the hollow reinforced rib that many special-shaped single-wall corrugated pipe bondings are formed, structure is more firmly with stable, this model utility is used for pipe structure field.
Description
Technical field
The utility model relates to a kind of continuous winding and strengthens structure-wall pipe material.
Background technique
There is the polyethylene spirally enwound structure-wall tubular product of hollow structure, the little advantage of bore large (maximum caliber reaches 4 meters in the market), equipment investment can be produced because it has, be widely used in municipal drainage, blowdown pipeline network construction.
At present, the manufacture method of polyethylene spirally enwound structure-wall tubular product has two kinds usually.
The first manufacturing process of aforementioned tubes.First extrude the banded section bar of the polyethylene with various hollow structure by the first extruder, after vacuum water is cold formed, is spirally wound on side by side regularly continuously and is equipped with on the circular forming cylinder of many active rotation roller bearings.Again by the second extruder constantly to the polyethylene melten gel clamp-oning molten state between the banded section bar of spiral winding side by side, roll through pinch roller, the adjacent regions of banded section bar is by polyethylene melt adhesive together.Because the hollow structure of banded section bar is different, form the polyethylene spirally enwound structure-wall tubular product with various hollow structure type.As polyethylene spirally enwound structure-wall A type pipe, internal-rib helical bellows, winding bellows etc.But there is following defect in this technique:
(1), banded section bar forms tube wall by melt adhesive again after water-cooled, owing to being cold and hot bonding, can have influence on the quality of cemented side seam due to the temperature control deviation of banded section bar; Simultaneously due to melten gel and the cooling of banded section bar non-concurrent, cooling meat also causes inner-walls of duct level and smooth not.
(2), banded section bar is bending again after water-cooled is wound around, and it is height-limited that bending internal stress determines such pipe structure, and shaping rear tube wall moment of inertia is little, is unfavorable for the ring stiffness improving tubing economically.
The another kind of manufacturing process of polyethylene spirally enwound structure-wall tubular product.First by the banded melten gel of the first extruder polyethylene extrusion melting, banded melten gel suitably cools, be in semi-molten soft state, this banded melten gel by continuously regularly wound side by side on forming cylinder, because banded melten gel is in semi-molten state, mutual overlap joint is namely bonding afterwards to be merged, and forms the cylindric tubing body of real wall.Use polypropylene single wall ripple pipe simultaneously, through the coated polyethylene of the second extruder compound die, because polypropylene softening temperature is higher than polyethylene, collapse so polypropylene single-wall corrugated pipe can not be heated.The polypropylene single-wall corrugated pipe of coated molten polyethylene collapses in spiral winding mode and is pressed on the fusion seam position that on pipeline body, melten gel band overlaps mutually, the polyethylene of molten coated on bellows and the melten gel band of two-layer overlap joint merge mutually and bond together, and form the polyethylene spirally enwound structure-wall Type B pipe with circular hollow stiffening rib.This kind of technique ensure that the quality of entwining tube cemented side seam, also because inwall melten gel band chilling temperature is close, makes inwall level and smooth compared with the pipe material inner wall of the first explained hereafter.The shortcoming of this kind of technique existence is, be that the round structure that skeleton is formed can not form optimum support by polypropylene single-wall corrugated pipe due to stiffening rib, single-wall corrugated pipe is owing to being subject to the high temperature of coated hot melt adhesive conduction simultaneously, cross section can become oval, the width of hollow reinforced rib is caused to be greater than height, also reduce the structure height of tubing, after being shaped, tube wall moment of inertia is little, is unfavorable for the ring stiffness improving tubing economically.
Therefore be necessary to provide a kind of winding structure wall pipe and the production method with hollow reinforced rib, to overcome the various shortcomings of above-mentioned technique and structure.
Model utility content
For solving the problem, the utility model provides a kind of Economy ground the continuous winding of dural-phase contrast scan ring stiffness and resistance to flexure can strengthen structure-wall pipe material.
The utility model solves the technological scheme that its technical problem adopts:
A kind of continuous winding strengthens structure-wall pipe material, comprise and overlap by banded melten gel spiral winding the body that is bonded and bond with the overlap joint of same spiral winding mode cross-pressure on described body between banded melten gel the hollow reinforced rib sewed on, described hollow reinforced rib comprises at least two special-shaped single-wall corrugated pipes be mutually adhesively fixed.
Be further used as the improvement of technical solutions of the utility model, each described special-shaped single-wall corrugated pipe is wrapped with coating, and the tube wall of described coating and special-shaped single-wall corrugated pipe forms enhancing internal-rib jointly.
Be further used as the improvement of technical solutions of the utility model, described in two, between special-shaped single-wall corrugated pipe, be provided with the stiffening rib sheet material all bonded with the tube wall of both sides abnormity single-wall corrugated pipe.Stiffening rib sheet material is that the bonding melten gel cold junction of bonding both sides abnormity single-wall corrugated pipe forms.
Be further used as the improvement of technical solutions of the utility model, the length direction along the two special-shaped single-wall corrugated pipes be close to is provided with the coating be coated on outside the two special-shaped single-wall corrugated pipes be close to, and described tectal both sides are adhesively fixed with body respectively.
Be further used as the improvement of technical solutions of the utility model, be provided with the coating of the special-shaped single-wall corrugated pipe of full parcel two bonding outside hollow reinforced rib, the coating bottom described hollow reinforced rib and body are adhesively fixed.
Be further used as the improvement of technical solutions of the utility model, between two adjacent described special-shaped single-wall corrugated pipes, be also provided with mental-finned.
Be further used as the improvement of technical solutions of the utility model, the cross section of special-shaped single-wall corrugated pipe is polygonal, and two described special-shaped single-wall corrugated pipes formation cross section that is adhesively fixed is the hollow reinforced rib of isosceles trapezoid.
Be further used as the improvement of technical solutions of the utility model, the cross section of special-shaped single-wall corrugated pipe is right-angled trapezium, and the right angle side that two described special-shaped single-wall corrugated pipes are adjacent is adhesively fixed to be formed and strengthens internal-rib.
Be further used as the improvement of technical solutions of the utility model, the softening temperature of special-shaped single-wall corrugated pipe is higher than tectal melt temperature.
The beneficial effects of the utility model: the hollow reinforced rib of this continuous winding enhancing structure-wall pipe material is adhesively fixed by least two special-shaped single-wall corrugated pipes and forms outer ripple, because special-shaped single-wall corrugated pipe can bend by internal stress free arbitrarily, and suitable shape can be selected, in Wrapping formed process, the height of hollow reinforced rib and tortuosity can have larger range of choice, be conducive to the structural walls height and the moment of inertia that improve tubing, thus Economy ground strengthens the ring stiffness of tubing, simultaneously, the hollow reinforced rib that many special-shaped single-wall corrugated pipe bondings are formed, structure is more firmly with stable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model first embodiment cross-sectional view;
Fig. 2 is the utility model second embodiment cross-sectional view;
Fig. 3 is the utility model the 3rd embodiment's cross-sectional view;
Fig. 4 is the utility model the 4th embodiment's cross-sectional view.
Embodiment
With reference to Fig. 1 ~ Fig. 4, the utility model is that a kind of continuous winding strengthens structure-wall pipe material, comprise and overlap by banded melten gel 1 spiral winding the body that is bonded and bond with the overlap joint of same spiral winding mode cross-pressure on described body between banded melten gel 1 hollow reinforced rib 2 sewed on, hollow reinforced rib 2 comprises at least two special-shaped single-wall corrugated pipes 21 be mutually adhesively fixed.
The hollow reinforced rib 2 of this continuous winding enhancing structure-wall pipe material is adhesively fixed by least two special-shaped single-wall corrugated pipes 21 and forms outer ripple, because special-shaped single-wall corrugated pipe 21 can bend by internal stress free arbitrarily, and suitable shape can be selected, in Wrapping formed process, the height of hollow reinforced rib 2 and tortuosity can have larger range of choice, be conducive to the structural walls height and the moment of inertia that improve tubing, thus Economy ground strengthens the ring stiffness of tubing, simultaneously, many special-shaped single-wall corrugated pipe 21 bonds the hollow reinforced rib formed, and structure is more firmly with stable.
As the utility model preferred embodiment, each special-shaped single-wall corrugated pipe 21 is wrapped with coating 22, and coating 22 forms enhancing internal-rib jointly with the tube wall of special-shaped single-wall corrugated pipe 21.
As a wherein embodiment of the present utility model, two special-shaped single-wall corrugated pipes 21 of composition hollow reinforced rib 2 are outer wraps up coating 22 respectively, two special-shaped single-wall corrugated pipes 21 are pressed, the coating 22 between the two special-shaped single-wall corrugated pipes 21 be close to is bondd fixing.
As the utility model preferred embodiment, the stiffening rib sheet material 23 all bonded with the tube wall of both sides abnormity single-wall corrugated pipe 21 is provided with between two special-shaped single-wall corrugated pipes 21.
As the utility model preferred embodiment, stiffening rib sheet material 23 is that the bonding melten gel cold junction bonding both sides abnormity single-wall corrugated pipe 21 forms.
Two special-shaped single-wall corrugated pipes 21 are directly close to, carry out being adhesively fixed between the two by injecting bonding melten gel wherein, the inner core by the coated hollow reinforced rib 2 of coating 22 can be formed.
As the utility model preferred embodiment, the length direction along the two special-shaped single-wall corrugated pipes 21 be close to is provided with the coating 22 be coated on outside the two special-shaped single-wall corrugated pipes 21 be close to, and the both sides of coating 22 are adhesively fixed with body respectively.
As the utility model preferred embodiment, be provided with the coating 22 of the special-shaped single-wall corrugated pipe 21 that full parcel two is close to outside the inner core of hollow reinforced rib 2, the coating 22 bottom hollow reinforced rib 2 is adhesively fixed with body.
Coating 22 can pass through half coating or the mode of entirely wrapping up and two special-shaped single-wall corrugated pipes 21 and form hollow reinforced rib 2 with the inner core bonding the hollow reinforced rib 2 that melten gel forms.
The hollow reinforced rib 2 of half coating form formation of coating 22, its inner core is first fixed on the sticky commissure on body, is extruding coating 22 by the 3rd extruder, and the both sides of online fixing coating 22 and body are fixed and bonded.This kind of fixed form of hollow reinforced rib 2, the tubing that the firmness be adhesively fixed between the inner core of the hollow reinforced rib 2 that two special-shaped single-wall corrugated pipes 21 are formed and body and stability are formed not as good as the full parcel form of coating 22.
As the utility model preferred embodiment, mental-finned 3 is also provided with between two adjacent special-shaped single-wall corrugated pipes 21.
As the utility model preferred embodiment, the softening temperature of special-shaped single-wall corrugated pipe is higher than tectal melt temperature.Abnormity single-wall corrugated pipe 21 adopts polyethylene, and coating 22 adopts polypropylene.
As the utility model preferred embodiment, the cross section of special-shaped single-wall corrugated pipe 21 is polygonal, and two special-shaped single-wall corrugated pipes 21 formation cross section that is adhesively fixed is the hollow reinforced rib 2 of isosceles trapezoid.
As the utility model preferred embodiment, the cross section of special-shaped single-wall corrugated pipe 21 is right-angled trapezium, and the right angle side that two special-shaped single-wall corrugated pipes 21 are adjacent is adhesively fixed to be formed and strengthens internal-rib.
This continuous winding strengthens in the production process of structure-wall pipe material, hollow reinforced rib and body, and is all the bondings between hot melt adhesive between the banded melten gel of composition body, it not cold and hot bonding, the better effects if of its bonding, the tubing producing gained is more firm, also has better stability.
Certainly, the utility model is created and is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. a continuous winding strengthens structure-wall pipe material, it is characterized in that: comprise and overlap by banded melten gel spiral winding the body that is bonded and bond with the overlap joint of same spiral winding mode cross-pressure on described body between banded melten gel the hollow reinforced rib sewed on, described hollow reinforced rib comprises at least two special-shaped single-wall corrugated pipes be mutually adhesively fixed.
2. continuous winding according to claim 1 strengthens structure-wall pipe material, it is characterized in that: each described special-shaped single-wall corrugated pipe is wrapped with coating, and the tube wall of described coating and special-shaped single-wall corrugated pipe forms enhancing internal-rib jointly.
3. continuous winding according to claim 1 strengthens structure-wall pipe material, it is characterized in that: be provided with the stiffening rib sheet material all bonded with the tube wall of both sides abnormity single-wall corrugated pipe described in two between special-shaped single-wall corrugated pipe.
4. continuous winding according to claim 3 strengthens structure-wall pipe material, it is characterized in that: described stiffening rib sheet material is that the bonding melten gel cold junction of bonding both sides abnormity single-wall corrugated pipe forms.
5. continuous winding according to claim 4 strengthens structure-wall pipe material, it is characterized in that: the length direction along the two special-shaped single-wall corrugated pipes be close to is provided with the coating be coated on outside the two special-shaped single-wall corrugated pipes be close to, and described tectal both sides are adhesively fixed with body respectively.
6. continuous winding according to claim 4 strengthens structure-wall pipe material, it is characterized in that: the coating being provided with the special-shaped single-wall corrugated pipe of full parcel two bonding outside described hollow reinforced rib, the coating bottom described hollow reinforced rib and body are adhesively fixed.
7. strengthen structure-wall pipe material according to the continuous winding in claim 1 ~ 6 described in any one, it is characterized in that: between two adjacent described special-shaped single-wall corrugated pipes, be also provided with mental-finned.
8. strengthen structure-wall pipe material according to the continuous winding in claim 1 ~ 6 described in any one, it is characterized in that: the cross section of described special-shaped single-wall corrugated pipe is polygonal, two described special-shaped single-wall corrugated pipes formation cross section that is adhesively fixed is the hollow reinforced rib of isosceles trapezoid.
9. strengthen structure-wall pipe material according to the continuous winding in claim 1 ~ 6 described in any one, it is characterized in that: the cross section of described special-shaped single-wall corrugated pipe is right-angled trapezium, the right angle side that two described special-shaped single-wall corrugated pipes are adjacent is adhesively fixed to be formed and strengthens internal-rib.
10. strengthen structure-wall pipe material according to the continuous winding in claim 3 ~ 6 described in any one, it is characterized in that: the softening temperature of described special-shaped single-wall corrugated pipe is higher than tectal melt temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520296014.2U CN204664641U (en) | 2014-05-09 | 2015-05-08 | A kind of continuous winding strengthens structure-wall pipe material |
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410205933.4A CN104061378A (en) | 2014-05-09 | 2014-05-09 | Continuous twining reinforced structure wall pipe, manufacturing equipment and manufacturing method |
| CN2014102059334 | 2014-05-09 | ||
| CN2014105597004 | 2014-10-20 | ||
| CN201410559700.4A CN104329519A (en) | 2014-10-20 | 2014-10-20 | Externally corrugated plastic tube structure wall pipe and production method thereof |
| CN2014106129919 | 2014-11-04 | ||
| CN201410612991.9A CN104390070A (en) | 2014-11-04 | 2014-11-04 | Thermoformed continuously wound composite material reinforced structure-wall pipe, and manufacturing equipment and manufacturing method thereof |
| CN201520296014.2U CN204664641U (en) | 2014-05-09 | 2015-05-08 | A kind of continuous winding strengthens structure-wall pipe material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664641U true CN204664641U (en) | 2015-09-23 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233211.4A Active CN104913127B (en) | 2014-05-09 | 2015-05-08 | A kind of production method of continuous winding enhancing structure wall tube material and the tubing |
| CN201520296014.2U Withdrawn - After Issue CN204664641U (en) | 2014-05-09 | 2015-05-08 | A kind of continuous winding strengthens structure-wall pipe material |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510233211.4A Active CN104913127B (en) | 2014-05-09 | 2015-05-08 | A kind of production method of continuous winding enhancing structure wall tube material and the tubing |
Country Status (1)
| Country | Link |
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| CN (2) | CN104913127B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913127A (en) * | 2014-05-09 | 2015-09-16 | 戴爱清 | Continuously-wound enhancement structural wall pipe and production method thereof |
| CN109237147A (en) * | 2018-08-27 | 2019-01-18 | 广东永高塑业发展有限公司 | A kind of winding structure pipe and its dedicated irregular belt material |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191693B (en) * | 2017-06-06 | 2023-11-24 | 周成纤 | Corrugated pipe with spiral double-peak structure and manufacturing method thereof |
| CN107830269A (en) * | 2017-12-04 | 2018-03-23 | 萍乡市大地新材料科技有限公司 | Helical bellows and its manufacture method with supporting rib stiffener structure |
| CN109268584B (en) * | 2018-08-21 | 2023-10-31 | 广东统塑管业有限公司 | Trapezoid round hole PE winding corrugated pipe, profile and production method |
| CN113404940B (en) * | 2021-06-29 | 2022-09-23 | 黄楠伟 | Plastic connecting column section bar capable of being unfolded in fan shape, corrugated pipe and preparation method of plastic connecting column section bar |
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| US3857159A (en) * | 1973-09-27 | 1974-12-31 | Pacific Roller Die Co Inc | Pipe forming method |
| JP3122115B2 (en) * | 1990-07-05 | 2001-01-09 | 大日本プラスチックス株式会社 | Corrugated pipe |
| EP1217282A1 (en) * | 2000-12-22 | 2002-06-26 | Plasticos IMA, S.A. | Improved thermoplastic pipe |
| CN2689028Y (en) * | 2004-02-24 | 2005-03-30 | 程芝令 | Hard and soft PVC composite co-extruding corrugated flexible pipes |
| ITMI20062303A1 (en) * | 2006-11-29 | 2008-05-30 | Gmi Gestioni Mobiliari Ed Immobiliari | RIGID TUBULAR MANUFACTURE. |
| CN101907207A (en) * | 2010-07-06 | 2010-12-08 | 戴爱清 | Internal rib reinforcing outer ripple type plastic twining structured wall pipe and manufacturing method thereof |
| CN102287595B (en) * | 2011-08-23 | 2013-11-13 | 深圳金鸿机械电气制造有限公司 | Pipe material, strip material and set production device for reinforced thermoplastic composite structure wall pipe |
| CN202674586U (en) * | 2012-06-15 | 2013-01-16 | 广东永高塑业发展有限公司 | Enhancement-type helical bellow with inner rib tubular product |
| CN202937900U (en) * | 2012-11-08 | 2013-05-15 | 苏州金纬机械制造有限公司 | Internal flat wall winding pipe |
| CN103423522B (en) * | 2013-04-23 | 2015-08-26 | 杭州联通管业有限公司 | Large-calibre reinforced type polyethylene spirally enwound structure-wall tubular product and preparation process thereof |
| CN104913127B (en) * | 2014-05-09 | 2017-12-26 | 戴爱清 | A kind of production method of continuous winding enhancing structure wall tube material and the tubing |
-
2015
- 2015-05-08 CN CN201510233211.4A patent/CN104913127B/en active Active
- 2015-05-08 CN CN201520296014.2U patent/CN204664641U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913127A (en) * | 2014-05-09 | 2015-09-16 | 戴爱清 | Continuously-wound enhancement structural wall pipe and production method thereof |
| CN104913127B (en) * | 2014-05-09 | 2017-12-26 | 戴爱清 | A kind of production method of continuous winding enhancing structure wall tube material and the tubing |
| CN109237147A (en) * | 2018-08-27 | 2019-01-18 | 广东永高塑业发展有限公司 | A kind of winding structure pipe and its dedicated irregular belt material |
| CN109237147B (en) * | 2018-08-27 | 2022-04-12 | 公元管道(广东)有限公司 | Winding arrangement wall pipe and special-shaped strip thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104913127A (en) | 2015-09-16 |
| CN104913127B (en) | 2017-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20171226 |