CN103883805A - HDPE helical bellows and manufacturing method - Google Patents
HDPE helical bellows and manufacturing method Download PDFInfo
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- CN103883805A CN103883805A CN201410112250.4A CN201410112250A CN103883805A CN 103883805 A CN103883805 A CN 103883805A CN 201410112250 A CN201410112250 A CN 201410112250A CN 103883805 A CN103883805 A CN 103883805A
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- rib
- internal
- belt material
- hollow reinforced
- irregular belt
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- 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
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- 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
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- 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
- B29C69/02—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 of moulding techniques only
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- 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
- F16L9/12—Rigid pipes of plastics with or without reinforcement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Diaphragms And Bellows (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention provides an HDPE helical bellows and a manufacturing method, and belongs to the technical field of pipe fittings. The technical problem that an existing bellows is low in ring stiffness is solved. The bellows comprises a pipe which is formed by winding and welding special-shaped belt materials. The pipe comprises a cylindrical inner pipe. A hollow reinforcing rib helically surrounds the outer side wall of the inner pipe in the length direction of the inner pipe. An inner cavity is formed in the hollow reinforcing rib. At least one inner reinforcing fin is fixedly arranged in the inner cavity. The special-shaped belt materials comprise square banded bottom edges. The bottom edges are the wall of the inner pipe. The two sides of the bottom edges are folded outwards in the radial direction of the inner pipe to form folded edges, and gaps are formed between the folded edges of every two adjacent special-shaped belt materials and are the welding forming positions of the pipe. The manufacturing method includes the following working procedures of squeezing out the special-shaped belt materials, shaping the special-shaped belt materials, winding the special-shaped belt materials, conducting welding and conducting press fit. The HDPE helical bellows has the advantages of being high in ring stiffness and the like.
Description
Technical field
The invention belongs to pipe fitting technical field, relate to a kind of HDPE helical bellows and manufacture method.
Background technique
HDPE helical bellows is a kind of novel light tubing taking high density polyethylene (HDPE) as raw material, there is lightweight, high pressure resistant, good toughness, the feature such as construction is fast, the life-span is long, its excellent structural pipe wall design, compared with the tubing of other structures, cost reduces greatly, and due to easy to connect, reliable, be at home and abroad used widely, replace in a large number concrete pipe and cast iron tube.
Because current HDPE helical bellows is usually used as the tubing that is embedded in underdrainage and uses, it bears the size of external pressure, has directly affected the quality of pipe performance, and its measurement index is ring stiffness.If the ring stiffness of HDPE helical bellows is inadequate, can causes tubing in construction or deform because bearing outside pressure on.Therefore, how improving the ring stiffness of HDPE helical bellows, is from multinational inside and outside Professional visitors's urgent problem.
Summary of the invention
The problems referred to above that exist for existing technology, first object of the present invention is to provide a kind of HDPE helical bellows, and its technical problem to be solved is: the ring stiffness that how to improve HDPE helical bellows.
Object of the present invention can realize by following technical proposal:
A kind of HDPE helical bellows, described bellows comprises the tubing that is wound around fusion molding by irregular belt material, described tubing comprises and is inner tube cylindraceous, the outer side wall of described inner tube is wound with hollow reinforced rib along the length direction whorl of this inner tube, in described hollow reinforced rib, offer inner chamber, in described inner chamber, be installed with at least one and strengthen internal-rib; It is characterized in that, described irregular belt material comprises the banded base that is square, and this base is the tube wall of described inner tube; The both sides on described base form flange along the radially outward turnover of described inner tube, between the flange of adjacent two irregular belt materials, have gap, and this gap is the fusion molding place of described tubing.
Its working principle is as follows: in the bellows hollow reinforced rib in the present invention, be designed with enhancing internal-rib, strengthen the design of internal-rib, can improve stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows; Further ensure stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows.Be designed with after flange, can increase the area of weld, strengthen the intensity at welding position, thereby improve the ring stiffness of whole bellows.
In above-mentioned a kind of HDPE helical bellows, the cross section of described hollow reinforced rib is semi-circular, and two edges and the described base of described hollow reinforced rib are connected as a single entity; Described enhancing internal-rib has two to be respectively the first enhancing internal-rib and the second enhancing internal-rib, and described first strengthens internal-rib and second strengthens interior rib space setting and symmetrical about the center line of described hollow reinforced rib.In bellows hollow reinforced rib in the present invention, be designed with the first enhancing internal-rib and second and strengthen internal-rib, two strengthen the design of internal-rib, can improve stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows; And the first enhancing internal-rib and the second enhancing internal-rib are symmetrical, can make in the time that hollow reinforced rib is subject to external force extruding, the first enhancing internal-rib and second strengthens the suffered power of internal-rib and equates, further ensure stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows.
In above-mentioned a kind of HDPE helical bellows, the described first outer end and the second outer end that strengthens internal-rib that strengthens internal-rib is all connected as a single entity with the madial wall of described hollow reinforced rib, and described first the inner that strengthens the inner of internal-rib and the second enhancing internal-rib is all connected as a single entity with described base.Hollow reinforced rib and base are that inner tube is connected as a single entity, and the first enhancing internal-rib and second strengthens internal-rib and is all connected as a single entity with hollow reinforced rib and base, can improve the global stability of tubing, further improves the ring stiffness of bellows.
In above-mentioned a kind of HDPE helical bellows, between described the first enhancing internal-rib and described base, form acute angle one, between described the second enhancing internal-rib and described base, form acute angle two.As above design, can improve the intensity of hollow reinforced rib.
Second object of the present invention is to provide a kind of manufacture method of HDPE helical bellows, and its technical problem to be solved is: how form a complete production network HDPE helical bellows.
A kind of manufacture method of HDPE helical bellows, described bellows comprises the tubing that is wound around fusion molding by irregular belt material, described irregular belt material comprises the banded base that is square, the both sides on described base form flange along the radially outward turnover of described inner tube, it is characterized in that, described manufacture method comprises following operation:
A, extrude irregular belt material: extrude continuous irregular belt material by the first extruder;
B, irregular belt material sizing: spray water tank by vacuum sizing irregular belt material is carried out to cooling and shaping;
C, winding irregular belt material: irregular belt material is spirally wound on forming cylinder side by side, and makes to form gap between the flange on adjacent irregular belt material;
D, welding: by the second extruder to the molten plastic of clamp-oning continuously melting in described gap;
E, pressing: by pinch roller, the flange outside on adjacent irregular belt material is applied to pressure in opposite directions, the molten plastic in flange and the gap on adjacent irregular belt material is fused into one.
Its working principle is as follows: after extruding irregular belt material, carry out cooling and shaping, then be wrapped on forming cylinder, and clamp-on the molten plastic of melting to the gap between the flange on adjacent irregular belt material, and finally carry out pressing by pinch roller, can make irregular belt material be wound around and be fused into bellows; In the present invention adjacent irregular belt material between weld design the gap location between flange, tool has the following advantages: design flange, can increase welding surface of contact, make welding more firm.
In the manufacture method of above-mentioned a kind of HDPE helical bellows, between described operation b and operation c, also comprise pre-heating drying work step, it comprises: by roasting chamber, irregular belt material is carried out to pre-heating drying.
In the manufacture method of above-mentioned a kind of HDPE helical bellows, after described operation e, also comprise cooling work step, it comprises: spray water cooling by spraying cooling equipment to the tubing of fusion molding.
In the manufacture method of above-mentioned a kind of HDPE helical bellows, after described cooling work step, also comprise cutting work step, it comprises: according to required pipe length, by automatic cutting equipment, cooled tubing is cut.
In the manufacture method of above-mentioned a kind of HDPE helical bellows, described tubing comprises and is inner tube cylindraceous, the outer side wall of described inner tube is wound with hollow reinforced rib along the length direction whorl of this inner tube, in described hollow reinforced rib, offer inner chamber, in described inner chamber, be installed with at least one and strengthen internal-rib.
In the manufacture method of above-mentioned a kind of HDPE helical bellows, described base is the tube wall of described inner tube; The cross section of described hollow reinforced rib is semi-circular, two edges and the described base of described hollow reinforced rib are connected as a single entity, described enhancing internal-rib have two and be respectively the first enhancing internal-rib and second strengthen internal-rib, described first strengthen internal-rib and second strengthen in rib space arrange and symmetrical about the center line of described hollow reinforced rib; The described first outer end and the second outer end that strengthens internal-rib that strengthens internal-rib is all connected as a single entity with the madial wall of described hollow reinforced rib, and described first the inner that strengthens the inner of internal-rib and the second enhancing internal-rib is all connected as a single entity with described base.
Compared with prior art, the present invention has the following advantages:
1, in the bellows hollow reinforced rib in the present invention, be designed with the first enhancing internal-rib and second and strengthen internal-rib, two strengthen the design of internal-rib, can improve stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows; And the first enhancing internal-rib and the second enhancing internal-rib are symmetrical, can make in the time that hollow reinforced rib is subject to external force extruding, the first enhancing internal-rib and second strengthens the suffered power of internal-rib and equates, further ensure stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows;
2, in the present invention adjacent irregular belt material between weld design the gap location between flange, tool has the following advantages: design flange, can increase welding surface of contact, make welding more firm.
Brief description of the drawings
Fig. 1 is the structural representation of this HDPE helical bellows in embodiment.
Fig. 2 is the schematic diagram of this HDPE helical bellows under pressing working procedure in embodiment.
Fig. 3 is the structural representation of this irregular belt material in embodiment.
In figure, 1, irregular belt material; 2, tubing; 3, hollow reinforced rib; 4, first strengthens internal-rib; 5, second strengthens internal-rib; 6, base; 7, flange; 8, fusion molding place; 9, pinch roller.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1 and Figure 2, this bellows comprises the tubing 2 that is wound around fusion molding by irregular belt material 1, tubing 2 comprises and is inner tube cylindraceous, the outer side wall of inner tube is wound with hollow reinforced rib 3 along the length direction whorl of this inner tube, in hollow reinforced rib 3, offer inner chamber, in inner chamber, be installed with the enhancing internal-rib being obliquely installed, in the present embodiment, strengthen internal-rib and have two and be respectively the first enhancing internal-rib 4 and second strengthen that internal-rib 5, the first strengthens that internal-ribs 4 and second strengthen that internal-rib 5 intervals arrange and symmetrical about the center line of hollow reinforced rib 3.Thereby the intensity that strengthens hollow reinforced rib improves the ring stiffness of pipeline; Improve the stability of hollow reinforced rib; Reducing the injection melten gel time enhances productivity.
As shown in Figure 3, this irregular belt material 1 comprises the banded base 6 that is square, and this base 6 is the tube wall of inner tube; The cross section of hollow reinforced rib 3 is semi-circular, two edges and the base 6 of hollow reinforced rib 3 are connected as a single entity, the first outer end and the second outer end that strengthens internal-rib 5 that strengthens internal-rib 4 is all connected as a single entity with the madial wall of hollow reinforced rib 3, and first the inner that strengthens the inner of internal-rib 4 and the second enhancing internal-rib 5 is all connected as a single entity with base 6.Between the first enhancing internal-rib 4 and base 6, form between acute angle one, the second enhancing internal-rib 5 and base 6 and form acute angle two.The both sides on base 6 form flange 7 along the radially outward turnover of inner tube, between the flange 7 of adjacent two irregular belt materials 1, have gap, and this gap is the fusion molding place 8 of tubing 2.
As 2, as shown in Fig. 3, the manufacture method of this HDPE helical bellows, comprises following operation:
A, extrude irregular belt material 1: extrude continuous irregular belt material 1 by the first extruder;
B, irregular belt material 1 are shaped: spray water tank by vacuum sizing irregular belt material 1 is carried out to cooling and shaping; After moulding to be cooled, then carry out pre-heating drying work step, it comprises: by roasting chamber, irregular belt material 1 is carried out to pre-heating drying.
C, winding irregular belt material 1: irregular belt material 1 is spirally wound on forming cylinder side by side, and makes to form gap between the flange 7 on adjacent irregular belt material 1;
D, welding: by the second extruder to gap in clamp-on continuously the molten plastic of melting;
E, pressing: by pinch roller 9, flange 7 outsides on adjacent irregular belt material 1 are applied to pressure in opposite directions, the flange 7 on adjacent irregular belt material 1 is fused into one with the molten plastic in gap.
Specifically, also comprise cooling work step after operation e, it comprises: spray water cooling by spraying cooling equipment to the tubing 2 of fusion molding.After cooling work step, also comprise cutting work step, it comprises: according to required tubing 2 length, by automatic cutting equipment, cooled tubing 2 is cut.
Working principle of the present invention is as follows: in the bellows hollow reinforced rib in the present invention, be designed with the first enhancing internal-rib and second and strengthen internal-rib, two strengthen the design of internal-rib, can improve stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows; And the first enhancing internal-rib and the second enhancing internal-rib are symmetrical, can make in the time that hollow reinforced rib is subject to external force extruding, the first enhancing internal-rib and second strengthens the suffered power of internal-rib and equates, further ensure stability and the crushing resistance of hollow reinforced rib, thereby improve the ring stiffness of this HDPE helical bellows; In the present invention adjacent irregular belt material between weld design the gap location between flange, tool has the following advantages: design flange, can increase welding surface of contact, make welding more firm.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. a HDPE helical bellows, described bellows comprises the tubing (2) that is wound around fusion molding by irregular belt material (1), described tubing (2) comprises and is inner tube cylindraceous, the outer side wall of described inner tube is wound with hollow reinforced rib (3) along the length direction whorl of this inner tube, described hollow reinforced rib offers inner chamber in (3), in described inner chamber, be installed with at least one and strengthen internal-rib, it is characterized in that, described irregular belt material (1) comprises the banded base (6) that is square, and this base (6) are the tube wall of described inner tube; The both sides on described base (6) form flange (7) along the radially outward turnover of described inner tube, between the flange (7) of adjacent two irregular belt materials (1), have gap, and this gap is the fusion molding place (8) of described tubing (2).
2. HDPE helical bellows according to claim 1, it is characterized in that, the cross section of described hollow reinforced rib (3) is semi-circular, two edges and described base (6) of described hollow reinforced rib (3) are connected as a single entity, described enhancing internal-rib has two and be respectively the first enhancing internal-rib (4) and second strengthen internal-rib (5), and described first strengthens internal-rib (4) and second strengthens internal-rib (5) interval setting and symmetrical about the center line of described hollow reinforced rib (3).
3. HDPE helical bellows according to claim 2, it is characterized in that, the described first outer end and the second outer end that strengthens internal-rib (5) that strengthens internal-rib (4) is all connected as a single entity with the madial wall of described hollow reinforced rib (3), and described first the inner inner and the second enhancing internal-rib (5) that strengthens internal-rib (4) is all connected as a single entity with described base (6).
4. according to the HDPE helical bellows described in claim 2 or 3, it is characterized in that, between described the first enhancing internal-rib (4) and described base (6), form acute angle one, between described the second enhancing internal-rib (5) and described base (6), form acute angle two.
5. the manufacture method of a HDPE helical bellows, described bellows comprises the tubing (2) that is wound around fusion molding by irregular belt material (1), described irregular belt material (1) comprises the banded base (6) that is square, the both sides on described base (6) form flange (7) along the radially outward turnover of described inner tube, it is characterized in that, described manufacture method comprises following operation:
A, extrude irregular belt material (1): extrude continuous irregular belt material (1) by the first extruder;
B, irregular belt material (1) sizing: spray water tank by vacuum sizing irregular belt material (1) is carried out to cooling and shaping;
C, winding irregular belt material (1): irregular belt material (1) is spirally wound on forming cylinder side by side, and makes to form gap between the flange (7) on adjacent irregular belt material (1);
D, welding: by the second extruder to the molten plastic of clamp-oning continuously melting in described gap;
E, pressing: by pinch roller (9), flange (7) outside on adjacent irregular belt material (1) is applied to pressure in opposite directions, the flange (7) on adjacent irregular belt material (1) is fused into one with the molten plastic in gap.
6. the manufacture method of HDPE helical bellows according to claim 5, is characterized in that, between described operation b and operation c, also comprises pre-heating drying work step, and it comprises: by roasting chamber, irregular belt material (1) is carried out to pre-heating drying.
7. according to the manufacture method of the HDPE helical bellows described in claim 5 or 6, it is characterized in that, after described operation e, also comprise cooling work step, it comprises: the tubing (2) by spraying cooling equipment to fusion molding is sprayed water cooling.
8. the manufacture method of HDPE helical bellows according to claim 7, it is characterized in that, after described cooling work step, also comprise cutting work step, it comprises: according to required tubing (2) length, by automatic cutting equipment, cooled tubing (2) is cut.
9. according to the manufacture method of the HDPE helical bellows described in claim 5 or 6, it is characterized in that, described tubing (2) comprises and is inner tube cylindraceous, the outer side wall of described inner tube is wound with hollow reinforced rib (3) along the length direction whorl of this inner tube, described hollow reinforced rib offers inner chamber in (3), is installed with at least one and strengthens internal-rib in described inner chamber.
10. the manufacture method of HDPE helical bellows according to claim 9, is characterized in that, described base (6) are the tube wall of described inner tube, the cross section of described hollow reinforced rib (3) is semi-circular, two edges and described base (6) of described hollow reinforced rib (3) are connected as a single entity, described increase internal-rib have two and be respectively the first enhancing internal-rib (4) and second strengthen internal-rib (5), described first strengthens internal-rib (4) and second strengthens internal-rib (5) interval setting and symmetrical about the center line of described hollow reinforced rib (3), the described first outer end and the second outer end that strengthens internal-rib (5) that strengthens internal-rib (4) is all connected as a single entity with the madial wall of described hollow reinforced rib (3), described first the inner inner and the second enhancing internal-rib (5) that strengthens internal-rib (4) is all connected as a single entity with described base (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112250.4A CN103883805A (en) | 2014-03-24 | 2014-03-24 | HDPE helical bellows and manufacturing method |
| CN201510118819.2A CN104747811A (en) | 2014-03-24 | 2015-03-18 | HDPE helical corrugated pipe and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410112250.4A CN103883805A (en) | 2014-03-24 | 2014-03-24 | HDPE helical bellows and manufacturing method |
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| CN103883805A true CN103883805A (en) | 2014-06-25 |
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| CN201410112250.4A Pending CN103883805A (en) | 2014-03-24 | 2014-03-24 | HDPE helical bellows and manufacturing method |
| CN201510118819.2A Pending CN104747811A (en) | 2014-03-24 | 2015-03-18 | HDPE helical corrugated pipe and manufacturing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510118819.2A Pending CN104747811A (en) | 2014-03-24 | 2015-03-18 | HDPE helical corrugated pipe and manufacturing method |
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| CN105034416A (en) * | 2015-06-05 | 2015-11-11 | 湖北统塑管业有限公司 | PP high-modulus twining structural wall corrugated pipe and manufacturing method thereof |
| CN106352162A (en) * | 2016-10-21 | 2017-01-25 | 陈磊 | Outer folding and inner flat spiral corrugated steel pipe and water supply and drainage pipeline system |
| 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 |
| CN109099225A (en) * | 2018-10-19 | 2018-12-28 | 张家港戴恩机械有限公司 | A kind of double muscle winding bellowss of plastics |
| CN110094581A (en) * | 2019-03-14 | 2019-08-06 | 江西强发科技有限公司 | A kind of HDPE helical bellows and manufacturing method |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN100478154C (en) * | 2005-03-02 | 2009-04-15 | 甘国工 | Method of manufacturing reinforced composite plastic pipe material and its device |
| CN201003655Y (en) * | 2006-05-08 | 2008-01-09 | 临沂市大通塑料管材有限公司 | Steel band reinforced polyethylene spiral corrugated pipe |
| 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 |
| CN202532043U (en) * | 2012-03-27 | 2012-11-14 | 山东天迈管业有限公司 | Strip material and inner fin reinforced spiral winding tube material made from same |
| CN202612894U (en) * | 2012-04-09 | 2012-12-19 | 谢志树 | High-density polyethylene (HDPE) double-wall wound corrugated pipe |
| CN102689442B (en) * | 2012-06-15 | 2015-03-18 | 广东永高塑业发展有限公司 | Wound corrugated pipe with enhanced inner fin by hollow roller forming and production process of wound corrugated pipe |
| CN202674587U (en) * | 2012-06-15 | 2013-01-16 | 广东永高塑业发展有限公司 | Enhancement-type plastic ribbing winding pipe |
| CN202852225U (en) * | 2012-07-31 | 2013-04-03 | 刘兰欣 | All-plastic stud strengthening wound ripple tubular product |
| CN103292063B (en) * | 2013-05-22 | 2015-04-01 | 浙江天井塑业有限公司 | HDPE (high-density polyethylene) inside-outside-reinforced winding reinforced pipe |
| CN203770861U (en) * | 2014-03-24 | 2014-08-13 | 浙江天井塑业有限公司 | HDPE (high-density polyethylene) spiral corrugated pipe |
-
2014
- 2014-03-24 CN CN201410112250.4A patent/CN103883805A/en active Pending
-
2015
- 2015-03-18 CN CN201510118819.2A patent/CN104747811A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105034416A (en) * | 2015-06-05 | 2015-11-11 | 湖北统塑管业有限公司 | PP high-modulus twining structural wall corrugated pipe and manufacturing method thereof |
| CN106352162A (en) * | 2016-10-21 | 2017-01-25 | 陈磊 | Outer folding and inner flat spiral corrugated steel pipe and water supply and drainage pipeline system |
| 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 |
| CN109099225A (en) * | 2018-10-19 | 2018-12-28 | 张家港戴恩机械有限公司 | A kind of double muscle winding bellowss of plastics |
| CN110094581A (en) * | 2019-03-14 | 2019-08-06 | 江西强发科技有限公司 | A kind of HDPE helical bellows and manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN104747811A (en) | 2015-07-01 |
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Application publication date: 20140625 |