CN1598383A - Corrugated pipe of winding formed dual-wall with metal skeleton strengthen body and its mfg. method - Google Patents

Corrugated pipe of winding formed dual-wall with metal skeleton strengthen body and its mfg. method Download PDF

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Publication number
CN1598383A
CN1598383A CN 200410040680 CN200410040680A CN1598383A CN 1598383 A CN1598383 A CN 1598383A CN 200410040680 CN200410040680 CN 200410040680 CN 200410040680 A CN200410040680 A CN 200410040680A CN 1598383 A CN1598383 A CN 1598383A
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wall
metallic core
steel band
inner tubal
band
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CN1276203C (en
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甘国工
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DONGTAI NEW MATERIAL SCIENCE ANG TECHNOLOGY Co Ltd SICHUAN
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Individual
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Abstract

The invention refers to an enwind-forming double-wall corrugated pipe with metallic framework reinforcement body. It includes circular inner tube wall, outside convex spirality outer tube wall. Metal coil body is covered by the outside convex spirality outer tube wall, and there are binder or co-mixing object of binder and polymer on the surface of the metal coil body. Steel strip with agglomerant or the co-fixing object of binder and polymer is successive-spiral twisted on the circular inner tube wall or in the tube wall. Both sides of the steel strip is joggled to the both sides of the metal coil body along the direction of overlap each other or bend each other. The steel strip and the metal coil body are made of stainless steel or armor plate which is chromeplated or carried through chemical rust proofing on surface. Corrugated pipe has high capability of proof stress and resistance avulsion, and has advantage of thin tube wall and high ring stiffness. The invention offers the manufacturing method of the enwind-forming double-wall corrugated pipe, its production is steady and reliable, and the efficiency is high.

Description

The band metal frame strengthens the Wrapping formed double-wall corrugated pipe and the manufacture method thereof of body
Technical field:
The present invention is relevant with double-wall corrugated pipe, and is relevant with the Wrapping formed double-wall corrugated pipe and the manufacture method thereof of band metal frame enhancing body especially.
Background technique:
Because the double-walled plastic film capicitor is with its special advantages, being applied to urban sewage in a large number reclaims, handle discharging, and agricultural, in the pipe networks such as chemical industry, the method of making at present the double-walled plastic film capicitor has two kinds: a kind of people of being know adopts the many double-layer plastics that will extrude from die head the shaping membrane piece continuously shaped on the double-walled plastic corrugated pipe molding machine, another kind is that extrusion plastic sheet material spiral is wound on the cylinder and again evagination reinforced structure body spiral is wound in cylindrical shape inner layer wall appearance and forms the double-walled plastic film capicitor after forming the cylindrical shape inner layer wall, in a kind of method in back, ring stiffness and the inside and outside bearing capacity of people in order to strengthen tubing, as described in Chinese patent 02134103, earlier evagination reinforcement metal band spiral is wound in the cylindrical shape inner layer wall in appearance after, twine around metal tape spirality ground with second extruder extrusion plastic again and coat evagination reinforcement metal band, thereby produce and have the Wrapping formed double-wall corrugated pipe that metal frame strengthens body in the outer wall, form between two metallic core of crest in the spiral outer wall of this tubing, combining part with the thin polymeric layer melting of circular inner tubal wall does not have metal frame to support, the one layer of polymeric material is only arranged, form weak link, not only reduced the integral loop rigidity of tubing, also reduced tubing intensity herein, in carrying and installation process and in using, often ftracture herein, cause the tubing breakage, the more impossible occasion that pipe applications is had the internal pressure medium in conveying.In addition, in Japan Patent 4-352611 (being same Patent U. S. Patent 5390704), externally do not separate under the pressure effect in order to make the U-shaped metallic core to two edges, increased the steel band of one two edge band seamed edge, the two edges engagement of U-shaped metallic core is blocked, make the U-shaped metallic core of former opening become a totally enclosed O shape metallic core, improved the rigidity of metallic core, but still not between two metallic core, the polymeric layer melting thin with circular inner tubal wall combines the support of part increase metal frame, weak link is arranged equally, do not improve the bearing capacity and the anti-fracture of tubing and tear ability.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, provide a kind of proof stress, lear energy band metal frame strong, energy discharge pressure medium to strengthen the Wrapping formed double-wall corrugated pipe of body.
Another object of the present invention provides the manufacture method that this band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body.
The object of the present invention is achieved like this:
Band metal frame of the present invention strengthens the Wrapping formed double-wall corrugated pipe of body, comprise that spiral twines and adjacent edge is overlapped formed circular inner tubal wall and outer convex rib shape reinforced structure body is twined formed evagination spirality outer tube wall with same spiral canoe continuous helical in the adjacent overlapping the slot of the plastic plate on the circular inner tubal wall along melting mutually, be coated with metallic core in the evagination spirality outer tube wall, there is the blend layer of Bond or Bond and polymer on the metallic core surface, continuous helical is wound with blend or the surperficial steel band that Bond and polymeric layer are arranged that there are Bond and/or Bond and polymer in the surface on the circular inner tubal wall surface or among the tube wall or on metallic core two edges, overlapped or the mutual crooked engagement in two edges of metallic core in steel band two edges and the evagination spirality outer tube wall, steel band is in two outer tube wall polymeric layer meltings between the metallic core in conjunction with part, steel band has increased intensity as skeleton, filled up the breach of no metal frame between two metallic core in the outer wall and the inner tubal wall junction simultaneously, only there is the thin polymer inner layer wall place of one deck to increase metal frame enhancing body former, the ring stiffness and the bearing capacity of tubing have been improved greatly, the crooked mutually engagement in two edges of steel band two edges and metallic core will further improve the ring stiffness and the bearing capacity of tubing.In addition, because bonded dose of full coating of metallic core and steel band, the two is compound closely for one to make metal and plastics, has improved the two combined strength bination greatly.Outer tube wall polymeric layer melting on metallic core in the outer tube wall and the circular inner tubal wall surface or among the tube wall or on metallic core two edges, between two metallic core strengthens body in conjunction with the metal frame that the steel band of part has constituted Wrapping formed double-wall corrugated pipe jointly.
The above-mentioned steel band that is spirally wound in the circular inner tubal wall overlapping the slot is the sheet metal sheet material of fenestrated, the plastic layer on sheet material two sides is combined together to form an integral body mutually securely by the aperture, more closely form an integral body with sheet metal, outside static pressure and vibrations pressure can better be resisted, delamination between sheet metal and the plastics can be prevented effectively.
Metal body sandwich layer in the above-mentioned evagination spirality outer tube wall is the sheet metal sheet material of fenestrated, and the plastic outer layer on sheet material two sides combines mutually securely by the aperture, forms an integral body with sheet metal, can prevent delamination between sheet metal and the plastics effectively.
Above-mentioned band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body, it is characterized in that steel band and metal body core are that the steel plate that adopts stainless steel or chrome-faced or surface to carry out chemical antirust processing is made.Guaranteed metal frame and tubing long-term working life.
The present invention makes the method that the band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body, comprise the spiral winding in the helically-wound shaped mechanism that the cylinder that favours inner tubal wall shaft axis angle of circumferentially distributing by many is formed of the plastic plate that to extrude from extruder or the plastic plate that is coated with steel band, the mutual successively continuously melting overlap joint in sheet material adjacent edge edge is formed circular inner tubal wall, the continuous helical twisting surface has the steel band of the blend layer of Bond or Bond and polymer on circular inner tubal wall, the outer convex rib shape metallic core that will have adhesive layer is twined with same spiral canoe continuous helical in the adjacent overlapping the slot of cross-pressure plastic plate on the circular inner tubal wall, and two edges that make metallic core are pressed on steel band two edges, or on circular inner tubal wall, twine continuously outer convex rib shape metallic core, spiral winding steel on two edges of metallic core, steel band is pressed on two edges of metallic core, overlapped or the mutual crooked engagement in two edges of steel band two edges and metallic core, steel band is between the metallic core crest, the plastics of extruding from extruder coat metallic core, are crimped on the inner tubal wall that still is in the melting state and form evagination spirality outer tube wall under the effect of rolling roller the metallic core spiral being twined.
Manufacture method comprises following step:
A. will be spirally wound on after the steel band of steel band on the circular inner tubal wall or punching and the metallic core sheet material processing of rust removing that outer wall is used outer surface within it and coat the thin layer that one deck is formed by the blend of Bond or Bond and polymer entirely, or with extruding composite mechanism in sheet metal, outer surface is all extruded the adhesion Bond simultaneously, or adopt the electrostatic dusting device in sheet metal, outer surface sprays a layer binder simultaneously, or adopts emulsified liquid that ethene-maleic anhydride graft copolymer or propylene-maleic anhydride graft copolymer form or adhesive film in sheet metal, outer surface dip-coating simultaneously, apply a layer binder; Also the sheet metal of above-mentioned band adhesive layer all can be extruded compound one layer of polymeric by extruding composite mechanism simultaneously on the inside and outside surface of sheet metal, form composite metal plate in sheet metal is coated on entirely; (directly outsourcing has applied a layer binder and has extruded the steel band of compound one layer of polymeric or the steel band of punching).
B. on helically-wound shaped composite production line, extruder extrusion plastic sheet material is circumferentially distributing by many and is becoming that spiral twines in the helically-wound shaped mechanism that the cylinder at certain angle of inclination forms, the mutual successively continuously melting overlap joint in sheet material adjacent edge edge is formed circular inner tubal wall, continuous helical winding steel on circular inner tubal wall, the composite metal plate roller-compaction that utilizes the roller former block will have adhesive layer or adhesive layer and polymeric layer is outer convex rib shape metallic core, composite sheet two edges keep plane shape, metallic core is twined with same spiral canoe continuous helical on the adjacent overlap joint melting of the plastic plate on circular inner tubal wall seam, and two edges that make metallic core are pressed on steel band two edges, overlapped or the mutual crooked engagement in two edges of steel band two edges and metallic core, steel band is between two metallic core crests, and be combined with each other with the thin polymeric layer melting of circular inner tubal wall, the plastics of extruding from extruder coat metallic core, be crimped on the inner tubal wall that still is in the melting state and form evagination spirality outer tube wall under the effect of rolling roller outer metallic core spiral being twined, steel band can be pressed on metallic core two edges with the thin polymeric layer melting of circular inner tubal wall and be combined with each other this moment, two edges of metallic core is pressed on steel band two edges with the thin polymeric layer melting of circular inner tubal wall is combined with each other.
The manufacture method that above-mentioned band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body is the outer layer plastic of the plastic plate that utilizes an extruder to extrude respectively from two runners and die head to form circular inner tubal wall and formation evagination spirality outer tube wall that metallic core is coated, or the outer layer plastic of plastic plate that utilizes two extruders to extrude from two runners and die head respectively to form circular inner tubal wall and formation evagination spirality outer tube wall that metallic core is coated.
The manufacture method that above-mentioned band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body is to utilize an extruder and an extrusion die, metallic core is passed the outer tube wall of die head inner tubal wall of moulding simultaneously and band metallic core, in making, outer tube wall forms an integral body, the mutual successively continuously melting overlap joint in its adjacent edge edge is formed double-wall corrugated pipe, the hollow double-walled plastic shaped spiral that extruder of this usefulness and die head are directly extruded band U-shaped metallic core is wound in the method that the band metal frame strengthens the double-wall corrugated pipe of body can save equipment, reduces an extruder and a die head at least.
Above-mentioned band metal frame strengthens the manufacture method of the Wrapping formed double-wall corrugated pipe of body, and having heaters before steel band and the winding of U-shaped metallic core spiral is carried out heat treated to it, and steel band and U-shaped metallic core are combined with each other with the plastics melting better.
Produce the Wrapping formed double-wall corrugated pipe that the band metal frame strengthens body with manufacture method of the present invention, combining part between two metallic core in the spiral outer wall, with the thin polymeric layer melting of circular inner tubal wall is added with the metal steel band and supports, the ring stiffness and the bearing capacity of tubing have been improved, bellows proof stress, lear energy are strong, the intensity height has the advantage that tube wall is thin, ring stiffness is high.
Description of drawings:
Fig. 1 strengthens the structural representation of the Wrapping formed double-wall corrugated pipe of body for band metal frame of the present invention.
Fig. 2 is the local structure for amplifying schematic representation of tube wall among Fig. 1.
Fig. 3 is pressed in the local structure for amplifying schematic representation of the tube wall on two edges between two U-shaped metallic core for steel band.
Fig. 4 is in the local structure for amplifying schematic representation of tube wall among the inner tubal wall for steel band.
Fig. 5 is in local structure for amplifying schematic representation of another tube wall among the inner tubal wall for steel band.
Fig. 6 is in the local structure for amplifying schematic representation of tube wall on the inner tubal wall surface for steel band.
Fig. 7 is that the steel band that scribbles adhesive layer and polymeric layer is crushed on the local structure for amplifying schematic representation of tube wall under the tube wall.
The steel band that Fig. 8 is the Wrapping formed double-wall corrugated pipe of hollow double-walled plastic shaped spiral that is coated with the U-shaped metallic core, scribble adhesive layer and polymeric layer is crushed on the structural representation under the tube wall seam crossing.
Fig. 9 for the U-shaped metallic core of fenestrated by the local structure for amplifying schematic representation of the outer tube wall that plastics coated.
Figure 10 is that steel band and U-shaped metallic core two edges are bent to the local structure for amplifying schematic representation of the intermeshing tube wall of crotch shape.
Figure 11 is that steel band and U-shaped metallic core two edges are bent to the local structure for amplifying schematic representation of intermeshing another tube wall of crotch shape.
Figure 12 is for producing method flow diagram.
Figure 13 is Figure 12 production method flow process plan view.
Figure 14 is the continuous producing method flow chart.
Figure 15 is continuous production other method flow chart.
Figure 16 is an extruding and moulding production method flow chart of realizing inner tubal wall and outer tube wall in helically-wound shaped mechanism with an extruder.
Figure 17 is Figure 16 production method flow process plan view.
Figure 18 passes die head production method flow chart for the U-shaped metallic core.
Figure 19 is Figure 18 production method flow process internal organs view.
Figure 20 passes the local enlarged diagram of die head production method for the U-shaped metallic core.
Figure 21 passes the local enlarged diagram of die head production method A-A section for the U-shaped metallic core.
Figure 22 be U-shaped metallic core and steel band below helically-wound shaped mechanism up spiral twine the production method flow chart.
Embodiment:
Embodiment 1:
Fig. 1, Fig. 2 have provided the embodiment of the invention 1 structural representation.Referring to Fig. 1, Fig. 2, double-wall corrugated pipe 1 is made up of evagination spirality outer tube wall 2 and circular inner tubal wall 3, outer tube wall 2 cross-pressures twine in the overlapping the slot 4 in inner tubal wall 3 spirals, seam crossing 5 is embedded with spiral and twines seam steel band 6 between outer tube wall 2 crests, the both sides of steel band 6 are pushed down by the edge of the U-shaped metallic core 8 in the outer tube wall 2, two edges are overlapped, increased the intensity of weak link herein, U-shaped metallic core 8 is coated by plastic layer 7 by adhesive layer 9, all there is adhesive layer 10 on steel band 6 two sides, and the plastics on two sides combine mutually securely by aperture 11 and steel band 6.Steel band 6 and metal body core 8 are to adopt corrosion resistant plate to make
Embodiment 2:
Fig. 3 has provided present embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1.Do not exist together is that steel band 6 is pressed on two edges between two U-shaped metallic core.Steel band 6 and metal body core 8 are to adopt the chrome-faced steel plate to make.
Embodiment 3:
Fig. 4 has provided present embodiment 3 figure.Present embodiment 3 is basic same with embodiment 1.Do not exist together is that steel band 6 is among the inner tubal wall 3.
Embodiment 4:
Fig. 5 has provided present embodiment 4 figure.Present embodiment 4 is basic same with embodiment 3.Not existing together is that the steel band 6 that is among the inner tubal wall 3 is wideer, even forms between the steel band 6 and abut against together, further improves the ring stiffness and the bearing capacity of tubing.
Embodiment 5:
Fig. 6 has provided present embodiment 5 figure.Present embodiment 5 is basic same with embodiment 4.Do not exist together is that steel band 6 is on inner tubal wall 3 surfaces.
Embodiment 6:
Fig. 7 has provided present embodiment 6 figure.Present embodiment 6 is basic same with embodiment 5, and not existing together is that the steel band 6 that scribbles adhesive layer 10 and polymeric layer 12 is crushed under the tube wall seam 5.
Embodiment 7:
Fig. 8 has provided present embodiment 7 figure.Present embodiment 8 is basic same with embodiment 7, the steel band 6 that scribbles adhesive layer 10 and polymeric layer 12 is crushed under the tube wall seam 5, do not exist together be in, outer tube wall be by extruder disposable extrude that the hollow double-walled plastic material spiral in helically-wound shaped mechanism that is coated with the U-shaped metallic core twines and with the section bar adjacent edge along melting overlap joint and form double-wall corrugated pipe mutually successively continuously, the hollow double-walled plastic shaped spiral that extruder of this usefulness and die head are directly extruded band U-shaped metallic core is wound in the method that the band metal frame strengthens the double-wall corrugated pipe of body can save equipment, reduces an extruder and a die head at least.
Embodiment 8:
Fig. 9 has provided present embodiment 8 figure.Present embodiment 8 is basic same with embodiment 1.Do not exist together is that the U-shaped metallic core 8 of fenestrated is coated by plastics 7 by aperture 47.
Embodiment 9:
Figure 10 has provided present embodiment 9 figure.Present embodiment 9 is basic same with embodiment 8.Not existing together is that 6 liang of edges of steel band are bent to crotch shape 13, and the crooked mutually engagement of crotch shape 14 with 8 liang of edges of U-shaped metallic core has further improved intensity.
Embodiment 10:
Figure 11 has provided present embodiment 10 figure.Present embodiment 10 is basic same with embodiment 9.Do not exist together is that the steel band 6 that is bent to crotch shape 13 is pressed on two edges between the U-shaped metallic core 8 of two band crotch shapes 14.
Embodiment 11:
Figure 12, Figure 13 have provided present embodiment 11 figure.Figure 12, Figure 13 are production method flow schematic representation,
A, B, C, D represent that respectively seam steel band punching treating process, seam steel band coated with adhesive layer operation, sandwich layer steel band coated with adhesive layer operation, helically-wound shaped band metal frame strengthen the double-wall corrugated pipe operation of body among the figure.
Manufacture method comprises following step:
The steel band 6 that A. will be spirally wound on the circular inner tubal wall 3 is broadcasted punching machine 16 punching backs by winder 17 rollings from putting band machine 15;
B. steel band 6 is broadcasted washing machine 18, Bond spray-coating apparatus 19 and coated behind the layer binder by winder 17 rollings from putting band machine 15;
C, will be after put band machine 15 and broadcast washing machine 18, Bond spray-coating apparatus 19 and coat a layer binder as the steel plate of metallic core 8, coat one deck plastics by extruder 20, compound die head 21 again and after 22 coolings of cooling and shaping case by winder 17 rollings;
D. on helically-wound shaped composite production line, extrude by inner tubal wall extruder 23 and inner tubal wall extrusion die 24 and to form circular inner tubal wall 3, spiral twines in the helically-wound shaped mechanism that the cylinder 25 in the many inner tubal wall axle center that circumferentially distribute and favour is formed, inner tubal wall 3 is for the helical movement forward under cylinder 25 promotes, steel band 6 is broadcasted spiral twining movement on the inner tubal wall 3 from seam steel band unreeling machine 15, steel band 6 is spirally wound on the inner tubal wall 3, broadcast from sandwich layer steel band unreeling machine 17 as the steel plate of metallic core 8 that roller-compaction is an outer convex rib shape U-shaped metallic core 8 on the roller molding machine 26, two edges keep plane shape, after heater via 27 heating, twining with same spiral canoe continuous helical in the adjacent overlapping the slot of plastic plate on the circular inner tubal wall 3 under the effect of rolling wheel 28, and two edges that make U-shaped metallic core 8 are pressed on steel band two edges, the plastics of extruding from outer tube wall extruder 29 coat U-shaped metallic core 8, U-shaped metallic core 8 spirals are twined be crimped on the inner tubal wall 3 that still is in the melting state and form evagination spirality outer tube wall 2.
Embodiment 12:
Figure 14 has provided present embodiment 12 figure.Present embodiment 12 is basic same with embodiment 11.Not existing together is with the segmentation production method among the embodiment 11 continuously, finishes on a production line.
Embodiment 13:
Figure 15 has provided present embodiment 13 figure.Present embodiment 13 is basic same with embodiment 12.Do not exist together is steel band 6 to be broadcasted spiral from seam steel band unreeling machine 15 be wound between the U-shaped metallic core 8 on the inner tubal wall, steel band 6 is pressed on two edges of two U-shaped metallic core 8, the plastics of extruding from outer tube wall extruder 29 coat it, steel band 6 and U-shaped metallic core 8 spirals are twined be crimped on the inner tubal wall 3 that still is in the melting state and form structural pipe wall shown in Figure 3.
Embodiment 14:
Figure 16~Figure 17 has provided present embodiment 14 figure.Present embodiment 14 is basic same with embodiment 13.Not existing together is that the plastics of only extruding with an extruder 30 enter outer wall extrusion die 33 and inner tubal wall extrusion die 24 with runner 31 and inwall plastic layer with runner 32 by outer wall plastic packets coating respectively, extrudes simultaneously and forms outer wall and inner tubal wall.
Embodiment 15:
Figure 18~Figure 21 has provided present embodiment 15 figure.In the present embodiment, U-shaped metallic core 8 is passed die head 34, the plastics that plastic packets coating extruder 35 is extruded enter die head 34, under core 36 cooperates, disposable extruding and moulding band U-shaped metallic core 8 hollow double-walled plastic materials as shown in figure 21, spiral twines in helically-wound shaped mechanism again, and the mutual successively continuously melting overlap joint in section bar adjacent edge edge is formed double-wall corrugated pipe as shown in Figure 8.
Embodiment 16:
Figure 22 has provided present embodiment 16 figure.Present embodiment 16 is basic same with embodiment 15.Do not exist together be with U-shaped metallic core and steel band below helically-wound shaped mechanism up spiral twine and produce.

Claims (9)

1, the band metal frame strengthens the Wrapping formed double-wall corrugated pipe of body, comprise that spiral twines and adjacent edge is overlapped formed circular inner tubal wall and outer convex rib shape reinforced structure body is twined formed evagination spirality outer tube wall with same spiral canoe continuous helical in the adjacent overlapping the slot of the plastic plate on the circular inner tubal wall along melting mutually, be coated with metallic core in the evagination spirality outer tube wall, there is the blend layer of Bond or Bond and polymer on the metallic core surface, it is characterized in that on the circular inner tubal wall surface or among the inner tubal wall or on metallic core two edges continuous helical be wound with the surface blend of Bond and/or Bond and polymer or the steel band that there are Bond and polymeric layer in the surface arranged, overlapped or the mutual crooked engagement in two edges of metallic core in steel band two edges and the evagination spirality outer tube wall, steel band is in two outer tube wall polymeric layer meltings between the metallic core in conjunction with part.
2, band metal frame as claimed in claim 1 strengthens the Wrapping formed double-wall corrugated pipe of body, it is characterized in that being spirally wound on the circular inner tubal wall surface or the steel band among the tube wall is the sheet metal sheet material of fenestrated, the plastic layer on sheet material two sides is combined together to form an integral body mutually securely by the aperture.
3, band metal frame as claimed in claim 1 or 2 strengthens the Wrapping formed double-wall corrugated pipe of body, it is characterized in that the metal body sandwich layer in the evagination spirality outer tube wall is the sheet metal sheet material of fenestrated, the plastic outer layer on sheet material two sides combines mutually securely by the aperture, forms an integral body with sheet metal.
4,, it is characterized in that steel band and metal body core are that the steel plate that adopts stainless steel or chrome-faced or surface to carry out chemical antirust processing is made as the Wrapping formed double-wall corrugated pipe of claim 1 or 2 or 3 described band metal frames enhancing bodies.
5, make the method that band metal frame as claimed in claim 1 strengthens the Wrapping formed double-wall corrugated pipe of body, it is characterized in that the spiral winding in the helically-wound shaped mechanism that the cylinder that favours the inner tubal wall shaft axis of circumferentially distributing by many is formed of the plastic plate that to extrude from extruder or the plastic plate that is coated with steel band, the mutual successively continuously melting overlap joint in sheet material adjacent edge edge is formed circular inner tubal wall, the continuous helical twisting surface has the steel band of the blend layer of Bond or Bond and polymer on circular inner tubal wall, the outer convex rib shape metallic core that will have adhesive layer is twined with same spiral canoe continuous helical in the adjacent overlapping the slot of cross-pressure plastic plate on the circular inner tubal wall, and two edges that make metallic core are pressed on steel band two edges, or continuous helical twines outer convex rib shape metallic core on circular inner tubal wall, spiral winding steel on two edges of metallic core, steel band is pressed on two edges of metallic core, overlapped or the mutual crooked engagement in two edges of steel band two edges and metallic core, steel band is between the metallic core crest, the plastics of extruding from extruder coat metallic core, are crimped on the inner tubal wall that still is in the melting state and form evagination spirality outer tube wall under the effect of rolling roller the metallic core spiral being twined.
6. band metal frame as claimed in claim 4 strengthens the manufacture method of the Wrapping formed double-wall corrugated pipe of body, the outer layer plastic of plastic plate that it is characterized in that utilizing an extruder from two runners and die head, to extrude respectively forming circular inner tubal wall and formation evagination spirality outer tube wall that metallic core is coated, or the outer layer plastic of plastic plate that utilizes two extruders from two runners and die head, to extrude respectively to form circular inner tubal wall and formation evagination spirality outer tube wall that metallic core is coated.
7. band metal frame as claimed in claim 4 strengthens the manufacture method of the Wrapping formed double-wall corrugated pipe of body, it is characterized in that adopting an extruder and a die head, metallic core is passed the outer tube wall of die head inner tubal wall of moulding simultaneously and band metallic core, make inside and outside tube wall form an integral body, with its adjacent edge along melting overlap joint and be pressed in the surface and have on the steel band of Bond and polymeric layer and melting overlap joint and form the Wrapping formed double-wall corrugated pipe that the band metal frame strengthens body mutually mutually successively continuously.
8. band metal frame as claimed in claim 4 strengthens the manufacture method of the Wrapping formed double-wall corrugated pipe of body, it is characterized in that after with steel band or metallic core punching within it, outer surface applies one deck adhesive layer.
9. band metal frame as claimed in claim 4 strengthens the manufacture method of the Wrapping formed double-wall corrugated pipe of body, it is characterized in that having heaters before steel band and the winding of U-shaped metallic core spiral is carried out heat treated to it.
CN 200410040680 2004-09-14 2004-09-14 Corrugated pipe of winding formed dual-wall with metal skeleton strengthen body and its mfg. method Expired - Fee Related CN1276203C (en)

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CN105299433A (en) * 2015-11-25 2016-02-03 安徽华奇管业有限公司 Arc strip for steel ribbed plastic outer corrugated pipe
CN105508753A (en) * 2015-12-31 2016-04-20 广西钦州国通管业有限公司 Integrated steel strip reinforced plastics-steel corrugated pipe
CN108582714A (en) * 2018-04-12 2018-09-28 顺方管业有限公司 A kind of steel wire train of thought plastic composite pipe and preparation method thereof and equipment
CN109488432A (en) * 2018-11-23 2019-03-19 宁波联华汽车部件有限公司 A kind of flexible hose
CN111237455A (en) * 2020-01-14 2020-06-05 辽宁希泰科技有限公司 Double-layer welding vacuum corrugated pipe

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CN102537541A (en) * 2012-01-09 2012-07-04 浙江双林机电科技有限公司 Round pipe framework type large-caliber corrugated pipe and manufacturing method
CN102756476B (en) * 2012-07-26 2014-12-24 北京市塑料研究所 Machining method and device of plastic full-coating corrosion resisting metal pole
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CN102774012A (en) * 2012-08-23 2012-11-14 山东联创塑胶有限公司 Production method of steel-plastic composite pipe
CN103486362A (en) * 2013-09-05 2014-01-01 鹤山联塑实业发展有限公司 Novel steel-belt reinforced polyethylene spiral corrugated pipe structure
CN103486362B (en) * 2013-09-05 2016-08-17 鹤山联塑实业发展有限公司 A kind of steel band reinforced polyethylene spiral ripple pipe structure
CN103775758A (en) * 2014-01-27 2014-05-07 顾地科技股份有限公司 Mesh steel strip reinforced helical double-wall corrugated pipe and production method thereof
CN104482329A (en) * 2014-12-11 2015-04-01 周成纤 Steel-plastic composite thread corrugated pipe and manufacturing method thereof
CN104482329B (en) * 2014-12-11 2017-05-03 周成纤 Steel-plastic composite thread corrugated pipe
CN104908348A (en) * 2015-04-15 2015-09-16 云南森发塑胶制品有限公司 Hollow wall coiling plastic tube production method
CN105299433A (en) * 2015-11-25 2016-02-03 安徽华奇管业有限公司 Arc strip for steel ribbed plastic outer corrugated pipe
CN105508753A (en) * 2015-12-31 2016-04-20 广西钦州国通管业有限公司 Integrated steel strip reinforced plastics-steel corrugated pipe
CN108582714A (en) * 2018-04-12 2018-09-28 顺方管业有限公司 A kind of steel wire train of thought plastic composite pipe and preparation method thereof and equipment
CN108582714B (en) * 2018-04-12 2024-01-09 顺方管业有限公司 Steel wire vein plastic composite pipe and preparation method and equipment thereof
CN109488432A (en) * 2018-11-23 2019-03-19 宁波联华汽车部件有限公司 A kind of flexible hose
CN111237455A (en) * 2020-01-14 2020-06-05 辽宁希泰科技有限公司 Double-layer welding vacuum corrugated pipe

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