CN102555198A - Wall tube composite molding supporting device of polyethylene entwining structure - Google Patents
Wall tube composite molding supporting device of polyethylene entwining structure Download PDFInfo
- Publication number
- CN102555198A CN102555198A CN2012100212114A CN201210021211A CN102555198A CN 102555198 A CN102555198 A CN 102555198A CN 2012100212114 A CN2012100212114 A CN 2012100212114A CN 201210021211 A CN201210021211 A CN 201210021211A CN 102555198 A CN102555198 A CN 102555198A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- fixed
- composite molding
- arm
- strutting arrangement
- 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
Links
Images
Abstract
The invention relates to a wall tube composite molding supporting device of a polyethylene entwining structure, aiming at solving the defects in the prior art that the used external supporting device is not suitable for supporting the wall tube of an entwining structure to cause that the wall tube is unstably supported and the tube body is easily deformed. The wall tube composite molding supporting device of the polyethylene entwining structure comprises a shaft sleeve is sleeved on a spindle, and a plurality of telescopic supporting arms fixed on the outer surface of the shaft sleeve in the radial direction, wherein the end parts of the telescopic supporting arms are provided with rollers, which lean against the inner wall of the tube body; the axes of the rollers are parallel to the axis of the shaft sleeve. The supporting length is adjusted by the telescopic supporting arm to be adapted to the wall tubes of the entwining structure in different inside diameters; the telescopic supporting arm is radially fixed on the surface of the shaft sleeve, therefore, the length of the telescopic supporting arm can be controlled conveniently, and a circle can be formed by extending the same length, thus the wall tube composite molding supporting device is convenient for regulation. The rollers lean against the inner wall of the tube body, and the rollers and the tube body are in rolling friction; and the resistance to the tube body when rotating is small.
Description
Technical field
The present invention relates to a kind of winding structure pipe composite molding equipment, especially a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement of ability adjustable support length.
Background technology
High density polyethylene (HDPE) (HDPE) winding structure wall pipe is rain, the dirty drainpipe that has all generally used both at home and abroad at present; Such tubing is owing to adopted various structure wall design form; Possess save material, advantages such as high ring rigidity, long service life, steady quality are reliable, easy to connect, good leak tightness, therefore have powerful market potential.
The structure-wall pipe material kind is more, and dimensions has nothing in common with each other, and the structure-wall pipe material of variant kind adopts the production equipment that has nothing in common with each other.The equipment goods are more single, and equipment complex utilizes poor-performing, and do not have potentiality and can dig, the sexual valence ratio.
The production equipment of present domestic winding corrugated pipe and hollow wall winding pipe is very ripe, but all possesses unicity and can only produce the tubing parent, and the bell and spigot of bayonet joint needs the secondary operations moulding, and current device does not have potentiality can be brought into play.
Existing tyre spiral ribs Type B polyethylene spirally enwound structure-wall pipe uses whole mould; Body after the winding is supported by mould; This support can not be regulated, and mould can only corresponding a kind of structured wall popes, and just a kind of mould can only support a kind of body.Body need be to the end trimming of body after twining, and the mould global transfer uses mould not too convenient to the body end trimming simultaneously as supporting, and mould can hinder finishing process.
Patent Office of the People's Republic of China has announced a CN201493404U patent on June 2nd, 2010, name is called the steel pipe whirligig, under the steel expander cushion cap support is arranged; To being uniformly distributed with and being connected with support, drive unit is fixed on the support some bearings, is in transmission connection with turning cylinder along steel shaft; Power transmission shaft is connected with active friction wheel axle on being supported in bearing or is one, and driven friction pulley and active friction wheel are relative and be supported on the bearing hole that has driving and driven friction pulley to pass through with each bearing corresponding position on the expander cushion cap; The axle of driving and driven friction pulley on two straight lines on the same horizontal plane with the parallel axes of steel pipe; Active friction wheel cooperates with driven friction pulley transmission through the steel pipe that is supported on two friction pulleys, and the lower end of each bearing and lifting column upper end are connected, and lifting column cooperates with guide groove; The lower end of lifting column is connected with the plunger of hydraulic cylinder; When each lifting column rose, steel pipe was supported on driving and driven friction pulley, and steel pipe was supported on the expander cushion cap when lifting column descended.Steel pipe has stronger rigidity, therefore can use outside support, but the winding structure pipe can not support in the body outside when twining processing.
Summary of the invention
The purpose of this invention is to provide a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement; Main support is in the inside of body; Make the length of winding structure pipe not receive the restriction of the bearing length of mould, also convenient simultaneously end trimming to body.
The invention solves the external means of support of using in the prior art and be not suitable for the support of winding structure pipe; Occur supporting unstable easily; The defective of body easy deformation provides a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement, and body inside is supported; Supporting & stablizing, body are not easy distortion.
The technical solution adopted for the present invention to solve the technical problems is: a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement; Bracing or strutting arrangement comprises and is nested with the several expansion support arm that at the axle sleeve on the main shaft, radially is fixed in the symmetry on the sleeve outer surface that the end of retractable support arm is provided with the cylinder that connects with inboard wall of tube body; The axis of cylinder and the axis of axle sleeve parallel.Bracing or strutting arrangement is nested with on main shaft through axle sleeve, makes bracing or strutting arrangement and winding structure pipe be in coaxial state, guarantees the axiality between body and the mould when bracing or strutting arrangement supports; Bracing or strutting arrangement is supported in the inside of body, makes things convenient for the outside winding of body, and the end of body can be extended, and the length of winding structure pipe does not receive the restriction of mould bearing length; Bracing or strutting arrangement is supported in the inside of body, makes things convenient for the end trimming of trimming device to body; Bracing or strutting arrangement supports through the retractable support arm, and the length of self is regulated in the flexible of retractable support arm, supports radius thereby change, and to adapt to the body of different inner diameters, can enlarge the support scope of bracing or strutting arrangement, improves versatility; The retractable support arm is a radial arrangement, and length adjustment is more convenient, the equal in length of each retractable support arm, and the support circularity of assurance retractable support arm prevents that body from deforming; The end of retractable support arm contacts with the inwall of body through cylinder, is rolling friction with the retractable support arm during body rotates, and reduces the body rotary resistance; The axis of cylinder and the axis coaxle of axle sleeve, cylinder can not hinder body and rotate; The retractable support arm can use frame for movement, slides or screw structure such as the socket slip or the guide rail of pegging graft, and also can use the mode of telescoping cylinder.
As preferably, the retractable support arm comprises the telescoping cylinder that is fixed to the axle sleeve appearance, and the end of telescoping cylinder is fixed with fixed arm, and the end of fixed arm is back-shaped, and cylinder is hinged on the limit of back-shaped outermost end; Telescoping cylinder is cylinder or hydraulic cylinder.The length adjustment of retractable support arm is realized that by telescoping cylinder telescoping cylinder is with air pressure or hydraulic pressure, and air pressure forms a loop that is communicated with hydraulic pressure, guarantees that the pressure of each telescoping cylinder equates the equal in length that telescoping cylinder stretches out; The position of hinged cylinder also can be U-shaped structure, perhaps C shape structure.
As preferably, the retractable support arm is four, is the appearance that cross is arranged in axle sleeve.Four retractable support arm cross are arranged, are in symmetry, support more stable.
As preferably, the end of each telescoping cylinder is hinged with two cursors, and the end of cursor is back-shaped, and cylinder is hinged on the limit of back-shaped outermost end; Cursor relative fixed arm symmetry is connected with spring between two cursors.Cursor cooperates with fixed arm, and the end of each retractable support arm forms three strong points, and the strong point that inboard wall of tube body receives is more, supports more stable; The hinged end with telescoping cylinder of cursor connects spring between two cursors, when the piston rod of telescoping cylinder stretches out; The rotation wall forms self adaptation and opens under the qualification of inboard wall of tube body arc surface; And under the elastic force effect of spring, make the cylinder of two cursor ends be pressed in pipe material inner wall, when piston rod shrinks under the pulling force of spring cursor draw close to fixed arm; Reduce to open the space that occupies, convenient transportation.
As preferably, the cylinder body of telescoping cylinder is fixed to the appearance of axle sleeve, and fixed arm is fixed to the end of the piston rod of telescoping cylinder, and cursor is hinged to the end of piston rod; During free state, the cylinder of the cylinder of fixed arm end and cursor end is in same level on the same retractable support arm.Fixed arm and cursor equal in length are made more convenient
As preferably, the retractable support arm is six, and six retractable support arms, 60 ° of symmetries at interval are fixed on the axle sleeve appearance; The end of telescoping cylinder is fixed with fixed arm, and the end of fixed arm is hinged with cylinder.Along with the internal diameter of producing tubing increases, the retractable support arm expands to six, increases the quantity of the strong point of inboard wall of tube body, improves stability of strutting system.
As preferably, the end of telescoping cylinder also is hinged with two cursors, and two cursor relative fixed arms symmetry is connected with spring between two cursors, and cylinder is hinged on the end of cursor.
The invention has the beneficial effects as follows: the length of retractable support arm adjustable support; Adapt to the winding structure pipe of different inner diameters, the retractable support arm radially is fixed in the axle sleeve appearance, the length of convenient control retractable support arm; Stretch out equal length and just can form a circle, easy to adjust; Cylinder and inboard wall of tube body butt, cylinder and body are rolling friction, and the resistance that body receives when rotating is little; Fixed arm and cursor form the supporting construction of trident, and the support of body is more stable, prevent the body distortion.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of side view of the present invention;
Fig. 3 is the another kind of structural representation of the present invention;
Fig. 4 is the third structural representation of the present invention;
Among the figure: 1, axle sleeve, 2, cylinder body, 3, piston rod, 4, fixed arm, 5, cylinder, 6, axis hole, 7, back-shaped portion, 8, cursor, 9, spring, 10, rotating shaft.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment 1: a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement (referring to accompanying drawing 1 accompanying drawing 2); The axle sleeve 1 that has axis hole 6 in the middle of comprising; It is cylindrical that axle sleeve becomes, axle sleeve be symmetrically fixed with four retractable support arms that are radially in appearance, four retractable support arms are cross and arrange.
The retractable support arm comprises telescopic cylinder, is fixed in the fixed arm 4 of telescopic cylinder end, and the end of fixed arm is back-shaped 7, is hinged with cylinder 5 on back-shaped the outer arm.The axis of cylinder and the axis of axle sleeve parallel.Form the gas flow loop that communicates between each telescopic cylinder, the extension elongation of each retractable support arm equates.
The cylinder body 3 of telescopic cylinder is fixed to the appearance of axle sleeve, and the piston rod of telescopic cylinder and the end of fixed arm fix.
Axle sleeve is nested with on main shaft, and ventilation is pressed in the telescopic cylinder, and each retractable support arm stretches out identical length; Cylinder forms a cylindrical support face, and cylinder supports to the inwall of body, in the body rotary course; Cylinder freely rotates under body drives, and reduces the resistance that body rotates.
Bracing or strutting arrangement cooperates the composite molding equipment of polyethylene spirally enwound structure-wall pipe to use jointly; The body that has twined completion is supported by bracing or strutting arrangement; The position of twining is in the outside of composite molding mould all the time, supporting & stablizing, and the while can also shorten the length of composite molding mould.
Embodiment 2: a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement (referring to accompanying drawing 3); Axle sleeve radially be fixed with four retractable support arms in appearance; The retractable support arm adopts telescopic cylinder, and the cylinder body 2 of telescopic cylinder is fixed to the appearance of axle sleeve, and the end of piston rod 3 is fixed with fixed arm 4; The end of piston rod is hinged with rotating shaft 10, is hinged with cursor 8 in the rotating shaft.During free state, the cylinder of the fixed arm end of same retractable support arm and the cylinder of cursor end are in same plane, and cursor is in the both sides of fixed arm, is connected with spring 9 between two cursors.The end of cursor and the end of fixed arm are back-shaped 7, and back-shaped outermost end is hinged with cylinder.
Air-flow between the telescopic cylinder is interconnected; Each retractable support arm stretches out identical length; The inwall of cylinder and body connects, and the cylinder of cursor end contacts with the inwall of body earlier, and the piston rod of telescopic cylinder continues elongation; Cursor rotates around rotating shaft under the restriction of inboard wall of tube body, and cylinder and inboard wall of tube body up to the fixed arm end connect.This moment, the cylinder of cursor end also was on the circumscribed circle that the cylinder of fixed arm end forms, and cursor and fixed arm form same support cylinder face.
A retractable support arm is provided with three cylinders, has the more strong point, has also reduced the quantity of telescopic cylinder simultaneously, provides cost savings, and has also reduced fault rate simultaneously.
Embodiment 3: a kind of polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement (referring to accompanying drawing 4), and the appearance of axle sleeve radially is fixed with six retractable support arms, and the 60 ° of symmetries in six retractable support arm intervals are fixed on the axle sleeve appearance.The retractable support arm comprises telescopic cylinder, and the cylinder body of telescopic cylinder and axle sleeve 1 appearance fix, and the piston rod end of telescopic cylinder is fixed with fixed arm 4.All the other structures are with reference to embodiment 1 and 2.
Above-described embodiment is three kinds of preferred version of the present invention, is not that the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (7)
1. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement; It is characterized in that bracing or strutting arrangement comprises is nested with the several expansion support arm that at the axle sleeve on the main shaft (1), radially is fixed in the symmetry on the sleeve outer surface, and the end of retractable support arm is provided with the cylinder (5) that connects with inboard wall of tube body; The axis of cylinder and the axis of axle sleeve parallel.
2. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 1; It is characterized in that the retractable support arm comprises the telescoping cylinder that is fixed to the axle sleeve appearance; The end of telescoping cylinder is fixed with fixed arm (4); The end of fixed arm is back-shaped, and cylinder is hinged on the limit of back-shaped outermost end; Telescoping cylinder is cylinder or hydraulic cylinder.
3. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 1 and 2 is characterized in that the retractable support arm is four, is the appearance that cross is arranged in axle sleeve.
4. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 3 is characterized in that the end of each telescoping cylinder is hinged with two cursors (8), and the end of cursor is back-shaped, and cylinder is hinged on the limit of back-shaped outermost end; Cursor relative fixed arm symmetry is connected with spring (9) between two cursors.
5. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 4 is characterized in that the cylinder body of telescoping cylinder is fixed to the appearance of axle sleeve, and fixed arm is fixed to the end of the piston rod of telescoping cylinder, and cursor is hinged to the end of piston rod; During free state, the cylinder of the cylinder of fixed arm end and cursor end is in same level on the same retractable support arm.
6. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 1 and 2 is characterized in that the retractable support arm is six, and the 60 ° of symmetries in six retractable support arm intervals are fixed on the axle sleeve appearance; The end of telescoping cylinder is fixed with fixed arm, and the end of fixed arm is hinged with cylinder.
7. polyethylene spirally enwound structure-wall pipe composite molding bracing or strutting arrangement according to claim 6; The end that it is characterized in that telescoping cylinder also is hinged with two cursors; Two cursor relative fixed arms symmetry is connected with spring between two cursors, and cylinder is hinged on the end of cursor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100212114A CN102555198A (en) | 2012-01-31 | 2012-01-31 | Wall tube composite molding supporting device of polyethylene entwining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100212114A CN102555198A (en) | 2012-01-31 | 2012-01-31 | Wall tube composite molding supporting device of polyethylene entwining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102555198A true CN102555198A (en) | 2012-07-11 |
Family
ID=46402454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100212114A Pending CN102555198A (en) | 2012-01-31 | 2012-01-31 | Wall tube composite molding supporting device of polyethylene entwining structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102555198A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483815A (en) * | 2014-12-08 | 2015-04-01 | 上海核电装备焊接及检测工程技术研究中心（筹） | Radiation source aligning supporting device and method for fixing radiation source device |
| CN105947666A (en) * | 2016-05-12 | 2016-09-21 | 烟台三新新能源科技有限公司 | Robot arm for pipe transfer |
| CN109228068A (en) * | 2018-10-29 | 2019-01-18 | 镇江市鑫浩塑胶有限公司 | A kind of support equipment of plastic pipe |
| CN109367075A (en) * | 2018-10-10 | 2019-02-22 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade blade root anti-shrinkage device and application method |
| CN114801106A (en) * | 2022-04-27 | 2022-07-29 | 浙江龙财塑业有限公司 | Double-wall corrugated pipe production equipment and production method |
| CN114833216A (en) * | 2022-05-23 | 2022-08-02 | 河北有容管业有限公司 | Pipe orifice rounding device for large-diameter winding structure wall pipe and butt joint construction method |
| CN114801106B (en) * | 2022-04-27 | 2024-05-17 | 大连天薇管业有限公司 | Double-wall corrugated pipe production equipment and production method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0282245A2 (en) * | 1987-03-06 | 1988-09-14 | Tonen Chemical Corporation | Plastic pipe and method and apparatus for manufacturing same |
| CN1319169A (en) * | 1998-09-22 | 2001-10-24 | 里洛克澳大利亚有限公司 | Method and apparatus for winding helical pipe from its inside |
| CN2746243Y (en) * | 2004-09-02 | 2005-12-14 | 上海自来水给水设备工程有限公司 | Pneumatic tensioner |
| CN201283656Y (en) * | 2008-08-15 | 2009-08-05 | 蒯一希 | Device for manufacturing metal reinforced helical bellows |
| CN101666417A (en) * | 2009-08-28 | 2010-03-10 | 刘毅 | Steel-sleeve steel steam insulation pipe and rolling supporting mechanism thereof |
| CN202037874U (en) * | 2010-12-17 | 2011-11-16 | 华瀚科技有限公司 | Plastic pipe welding support device |
| CN202507531U (en) * | 2012-01-31 | 2012-10-31 | 何军 | Composite molding support device of polyethylene winding structure wall tube |
-
2012
- 2012-01-31 CN CN2012100212114A patent/CN102555198A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0282245A2 (en) * | 1987-03-06 | 1988-09-14 | Tonen Chemical Corporation | Plastic pipe and method and apparatus for manufacturing same |
| CN1319169A (en) * | 1998-09-22 | 2001-10-24 | 里洛克澳大利亚有限公司 | Method and apparatus for winding helical pipe from its inside |
| CN2746243Y (en) * | 2004-09-02 | 2005-12-14 | 上海自来水给水设备工程有限公司 | Pneumatic tensioner |
| CN201283656Y (en) * | 2008-08-15 | 2009-08-05 | 蒯一希 | Device for manufacturing metal reinforced helical bellows |
| CN101666417A (en) * | 2009-08-28 | 2010-03-10 | 刘毅 | Steel-sleeve steel steam insulation pipe and rolling supporting mechanism thereof |
| CN202037874U (en) * | 2010-12-17 | 2011-11-16 | 华瀚科技有限公司 | Plastic pipe welding support device |
| CN202507531U (en) * | 2012-01-31 | 2012-10-31 | 何军 | Composite molding support device of polyethylene winding structure wall tube |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483815A (en) * | 2014-12-08 | 2015-04-01 | 上海核电装备焊接及检测工程技术研究中心（筹） | Radiation source aligning supporting device and method for fixing radiation source device |
| CN104483815B (en) * | 2014-12-08 | 2016-05-11 | 上海核电装备焊接及检测工程技术研究中心（筹） | A kind of method of radiographic source centering support device and fixing radiographic source device thereof |
| CN105947666A (en) * | 2016-05-12 | 2016-09-21 | 烟台三新新能源科技有限公司 | Robot arm for pipe transfer |
| CN109367075A (en) * | 2018-10-10 | 2019-02-22 | 株洲时代新材料科技股份有限公司 | A kind of wind electricity blade blade root anti-shrinkage device and application method |
| CN109367075B (en) * | 2018-10-10 | 2020-11-10 | 株洲时代新材料科技股份有限公司 | Wind power blade root contraction prevention device and use method |
| CN109228068A (en) * | 2018-10-29 | 2019-01-18 | 镇江市鑫浩塑胶有限公司 | A kind of support equipment of plastic pipe |
| CN114801106A (en) * | 2022-04-27 | 2022-07-29 | 浙江龙财塑业有限公司 | Double-wall corrugated pipe production equipment and production method |
| CN114801106B (en) * | 2022-04-27 | 2024-05-17 | 大连天薇管业有限公司 | Double-wall corrugated pipe production equipment and production method |
| CN114833216A (en) * | 2022-05-23 | 2022-08-02 | 河北有容管业有限公司 | Pipe orifice rounding device for large-diameter winding structure wall pipe and butt joint construction method |
| CN114833216B (en) * | 2022-05-23 | 2024-04-05 | 河北有容管业有限公司 | Pipe orifice rounding device of large-caliber winding structure wall pipe and butt joint construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102555198A (en) | Wall tube composite molding supporting device of polyethylene entwining structure | |
| CN202507531U (en) | Composite molding support device of polyethylene winding structure wall tube | |
| CN105839981A (en) | Wind following rotating type flag pole | |
| CN209553362U (en) | A kind of telescopic process support rods | |
| CN204961487U (en) | Novel flexible pipe assembly | |
| CN204109346U (en) | A kind of tubing out-of-roundness adjusting device | |
| CN114542801B (en) | Inner-penetrating pipeline slidable support clamp | |
| CN115722858A (en) | Welding jig and welding machine | |
| CN102133604B (en) | Pipe contracting device | |
| CN202507533U (en) | Polyethylene-twined structure wall pipe composite molding mould | |
| CN201900419U (en) | Special welding roller bracket for slender tube | |
| CN212634883U (en) | Welding auxiliary equipment for hydraulic cylinder body and reinforcing sleeve | |
| CN207840706U (en) | A kind of shockproof eyelid retractor of tubular object extruding | |
| CN102430657B (en) | Tube expander | |
| CN203831010U (en) | Adjustable eight-angle supporting tool | |
| CN112061869A (en) | Hose winding device | |
| CN203112259U (en) | Winding storage winding-up paying-off device of technical hose | |
| CN213707378U (en) | Pipeline centralized air supply air source belt winding and unwinding device | |
| CN1236903C (en) | Twist pipe fittings shaping device | |
| CN208276376U (en) | A kind of multiposition thin-wall steel tube bonding machine | |
| CN208577386U (en) | A kind of rotating lifting gear | |
| CN102615833A (en) | Integral composite molding equipment for polyethylene winding structured wall pipe | |
| CN207028164U (en) | A kind of bell and spigot joint mould | |
| CN206404968U (en) | A kind of metallic conduit automatic spraying system | |
| CN206032833U (en) | Deflector roll with bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |