CN201661805U - Plastic steel winding pipe three-way valve - Google Patents
Plastic steel winding pipe three-way valve Download PDFInfo
- Publication number
- CN201661805U CN201661805U CN2010201280810U CN201020128081U CN201661805U CN 201661805 U CN201661805 U CN 201661805U CN 2010201280810 U CN2010201280810 U CN 2010201280810U CN 201020128081 U CN201020128081 U CN 201020128081U CN 201661805 U CN201661805 U CN 201661805U
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- steel
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- pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 237
- 239000010959 steel Substances 0.000 title claims abstract description 237
- 238000004804 winding Methods 0.000 title claims abstract description 112
- 239000004033 plastic Substances 0.000 title claims abstract description 81
- 239000004568 cement Substances 0.000 claims description 67
- 239000011241 protective layer Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a plastic steel winding pipe three-way valve, which comprises a plastic steel winding main pipe, a branch pipe and a connecting element, wherein the end part of a branch pipe plastic rubber pipe is mutually communicated and connected with the side wall of a main pipe plastic rubber pipe, the axial line of the branch pipe is positioned in the transverse direction of the axial line of the main pipe, a branch pipe winding steel belt is continued along a spiral line, the end part of a main pipe winding steel belt cut by the outer wall of the branch pipe plastic rubber pipe is pasted with the outer wall of the branch pipe plastic rubber pipe, one side of the connecting element is pasted with the outer wall of the branch pipe plastic rubber pipe, one end of the connecting element is connected with the cut winding steel belt of the main pipe, the other end of the connecting element is connected with the branch pipe winding steel belt in the vertically standing direction of the winding steel belt, and the cut winding steel belt abutted with the adjacent branch pipe winding steel belt is directly connected with the adjacent branch pipe winding steel belt. The utility model solves the structure and the manufacture problems of the plastic steel winding pipe three-way valve, so the structure of the plastic steel winding pipe three-way valve meets the requirements of the use intensity and the rigidity, and in addition, the production manufacture can be realized.
Description
Technical field
The utility model relates to a kind of steel and moulds the entwining tube parts, more particularly, relates to a kind of plastic-steel spirally-wound three-way pipe.
Background technique
Buried drain pipe and electric power, communication bury ground Cable protecting tube; especially large diameter buried pipeline; because tube wall need bear ground pressure; require tube wall to have higher bearing capacity; tube wall must have big thickness; for guarantee tube wall satisfy the requirement bury the ground bearing capacity, simultaneously reduce pipe thickness, reduce the pipeline manufacture cost, the plastic-steel spiral winding pipe has appearred.As the applying date is that the Chinese patent 200520112528.4 on July 4th, 2005 discloses a kind of plastic-steel winding structure tube.As shown in Figure 1, tubing 1 is made of the smooth fluid passage of sealing inner layer tube wall 1a, outer surface of tube wall is that the steel band of spiral surrounding strengthens solid straight rib structure 1b, by steel band strengthening rib 1b is set, when reducing pipe thickness, improve the compressive strength and the pipe ring rigidity of tube wall greatly, improved the bearing capacity of body, thereby reduced the entwining tube manufacture cost.
In actual use, requirement according to piping layout, usually need the branching of pipes pipe is connected on the person in charge, arm be responsible for the joint and need adopt the branch pipe tee connection structure, the special strengthening rib structure of entwining tube make its three-port structure more than the three-port structure complexity of common pipe many.Because the stress that arm is bigger with being responsible for the joint existence is concentrated, it is the weak link in the branch pipe tee connection structure, this place's structure is usually because stress is concentrated, Cracking Failure in use at first appears, therefore, how intensity and steel band requirement are strengthened, satisfied to arm and person in charge joint structure, become the important step that guarantees entwining tube pipe-line system reliably working.
Because entwining tube three-port structure complexity, the manufacturing process difficulty up to now, the branch pipe tee connection of entwining tube structure do not occur adopting as yet.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of plastic-steel spirally-wound three-way pipe is provided, and solves the problem that prior art lacks the entwining tube three-port structure.
The technological scheme that its technical problem that solves the utility model adopts is: construct a kind of plastic-steel spirally-wound three-way pipe, being included in the plastic-steel that plastic cement pipe outer wall is provided with the spiral winding steel twine to be responsible for and plastic-steel winding arm, it is characterized in that, the plastic cement tube end of described arm passes through connection mutually with the described person in charge's plastic cement pipe sidewall, and described tube's axis is positioned at the horizontal direction of described person in charge's axis;
The spiral winding steel of described arm is continuous along helix;
Pasted mutually with described arm plastic cement pipe outer wall by described person in charge's winding steel end that described arm plastic cement pipe outer wall blocks;
Comprise link, the winding steel that described link one side is pasted mutually with described arm plastic cement pipe outer wall, first end connects the intercepted winding steel of the described person in charge, second end connects adjacent described arm along the vertical direction of the intercepted winding steel of the described person in charge;
The described arm winding steel adjacent with this with the described intercepted winding steel of the winding steel adjacency of adjacent described arm directly is connected.
In plastic-steel spirally-wound three-way pipe of the present utility model, comprise that annular connects steel band, the interior ring of described annular connection steel band side is connected with the intercepted winding steel of the described person in charge with the subsides mutually of described arm plastic cement pipe outer wall, downside, upside is connected with described second end of described link.
In plastic-steel spirally-wound three-way pipe of the present utility model, described annular connects the steel band downside and is connected with the upside of the adjacent described person in charge's continuous winding steel.
In plastic-steel spirally-wound three-way pipe of the present utility model, comprise many auxiliary steel bands that connect, every described auxiliary connection steel band is inboard to be pasted mutually with described arm plastic cement pipe outer wall, two ends are connected with the adjacently situated surfaces of adjacent two described links respectively or two ends are connected with the adjacently situated surfaces of the described person in charge's two adjacent intercepted winding steels respectively, and described many auxiliaryly connect the Stress Transfer chains that steel bands constitute the horizontal direction of this described link of assisting the connection of connection steel band or described person in charge's winding steel in proper order.
In plastic-steel spirally-wound three-way pipe of the present utility model, comprise attached to the lip-deep protective layer of described link.
In plastic-steel spirally-wound three-way pipe of the present utility model, comprise attached to the protective layer that is connected with described annular on the described link surface on the steel strip surface.
In plastic-steel spirally-wound three-way pipe of the present utility model, comprise attached on the described link surface with the described auxiliary protective layer that is connected on the steel strip surface.
Implement plastic-steel spirally-wound three-way pipe of the present utility model, compared with the prior art, its beneficial effect is:
1. by link rationally being set in arm and person in charge joint, the entwining tube steel band of being responsible for intercepted entwining tube steel band and arm is coupled together, having strengthened the structural weak link of plastic-steel spirally-wound three-way pipe---arm and the strength and stiffness of being responsible for the joint make the plastic-steel spirally-wound three-way pipe structure satisfy the strength and stiffness requirement of using;
2. solved the production problem of plastic-steel spirally-wound three-way pipe,, can produce the plastic-steel spirally-wound three-way pipe that satisfies working strength and rigidity requirement according to plastic-steel spirally-wound three-way pipe manufacture method of the present utility model.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural perspective of existing plastic-steel spirally-wound pipe.
Fig. 2 is a kind of embodiment's of the utility model plastic-steel spirally-wound three-way pipe a stereogram.
Fig. 3 is an I portion enlarged view among Fig. 2.
Fig. 4 is the manifold configuration plan view in the utility model plastic-steel spirally-wound three-way pipe.
Fig. 5 determines plastic-steel spirally-wound three-way pipe sample point coordinates figure in the utility model plastic-steel spirally-wound three-way pipe manufacture method.
Embodiment
Plastic-steel spirally-wound three-way pipe embodiment one
As Fig. 2, shown in Figure 3, plastic-steel spirally-wound three-way pipe 2 of the present utility model comprises that plastic-steel twines the person in charge 21, plastic-steel twines arm 23, annular connection steel band 22a and link 22c.
Plastic-steel twines the person in charge's 21 outer walls at its plastic cement pipe 21a and is provided with spiral winding steel 21b, plastic-steel twines arm 23 and is provided with spiral winding steel 23b at the outer wall of its plastic cement pipe 23a, connection is passed through mutually with the sidewall of the person in charge 21 plastic cement pipe 21a in the end of the plastic cement pipe 23a of arm 23, the horizontal direction that the axis of arm 23 is positioned at the person in charge 21 axis (is somebody's turn to do the horizontal direction that " horizontal direction " is meant the person in charge 21 axial direction, the axis of arm 23 can with the axes intersect of being responsible for 21, also can be non-intersect, the axis of arm 23 can with the axis normal of being responsible for 21, also can out of plumb).
The spiral winding steel 23b of arm 23 is continuous along its helix.
Paste mutually with the outer wall of arm plastic cement pipe 23a the end of the person in charge's winding steel 21b that is blocked by the outer wall of arm plastic cement pipe 23a.
The interior ring side that annular connects steel band 22a is connected with the person in charge 21 intercepted winding steel 21b with outer wall subsides mutually, the downside of arm plastic cement pipe 23a, upside is connected with the end of link 22c.
The upside that the side of link 22c is pasted mutually with arm plastic cement pipe 23a outer wall, an end connects annular connection steel band 22a, the other end connect adjacent arm 23 along the vertical direction of being responsible for 21 intercepted winding steel 21b winding steel 23b.In the present embodiment, link 22c corresponds respectively to and is responsible for 21 intercepted winding steel 21b layouts.In other embodiments, link 22c can arrange at interval but not correspond to and be responsible for 21 intercepted winding steel 21b layouts, also can realize the object of the invention.
When intercepted person in charge's winding steel 21b and adjacent arm winding steel 23b in abutting connection with the time, the arm winding steel 23b that this intercepted person in charge's winding steel 21b is adjacent with this directly is connected.
In the present embodiment, the end that arm winding steel 23b is cut adopts connecting plate 22b to be connected steel band 22a connection with annular, the size of connecting plate 22b annular connect steel band 22a be connected with the person in charge 21 intercepted winding steel 21b finish after, determine with the annular actual distance that is connected steel band 22a according to the end that arm winding steel 23b is cut, make things convenient for processing and fabricating.In other embodiments, can accurately locate according to the concrete person in charge 21, arm 23 and the annular relative dimensions that is connected steel band 22a connection, accurately cut the end that arm winding steel 23b is cut, the direct and annular steel band 22a that is connected in the end that arm winding steel 23b is cut connects.In other embodiments, the end of adopting arm winding steel 23b to be cut is not connected the structure that steel band 22a connects with annular, can realize the object of the invention yet.
In the present embodiment, annular connects steel band 22a and the structure that adopts connecting plate 22d to connect that is connected of being responsible for 21 intercepted winding steel 21b, be about to be responsible for 21 intercepted winding steel 21b ends and intercept a part more, correspond respectively to and be responsible for the size that connecting plate 22d is determined in 21 intercepted winding steel 21b ends, assurance connecting plate 22d one side is pasted (the plastic cement pipe 23a outer wall that replaces being responsible for 21 intercepted winding steel 21b ends and arm 23 pastes mutually) mutually with the plastic cement pipe 23a outer wall of arm 23, one side is connected the butt joint of steel band 22a downside and connects with annular, one side is connected with the end butt joint of being responsible for 21 intercepted winding steel 21b or overlaps connection, this structure adopts connecting plate 22d as transition, can guarantee that connecting plate 22d is connected steel band 22a downside with annular and well docks connection.In other embodiments, being responsible for 21 intercepted winding steel 21b ends pastes mutually with the plastic cement pipe 23a outer wall of arm 23, the arcuate surface of side contacts, winding steel 21b is welded to connect with the filling of welding material with the annular gap that is connected steel band 22a downside on annular connection steel band 22a downside and the person in charge's 21 intercepted winding steel 21b front ends, also can realize the object of the invention.
Plastic-steel spirally-wound three-way pipe embodiment two
Plastic-steel spirally-wound three-way pipe 2 of the present utility model comprises that plastic-steel twines the person in charge 21, plastic-steel twines arm 23 and link 22c.
Plastic-steel twines the person in charge's 21 outer walls at its plastic cement pipe 21a and is provided with spiral winding steel 21b, plastic-steel twines arm 23 and is provided with spiral winding steel 23b at the outer wall of its plastic cement pipe 23a, connection is passed through mutually with the sidewall of the person in charge 21 plastic cement pipe 21a in the end of the plastic cement pipe 23a of arm 23, and the axis of arm 23 is positioned at the horizontal direction of the person in charge 21 axis.
The spiral winding steel 23b of arm 23 is continuous along its helix.
Paste mutually with the outer wall of arm plastic cement pipe 23a the end of the person in charge's winding steel 21b that is blocked by the outer wall of arm plastic cement pipe 23a.
Link one side is pasted mutually with the outer wall of arm plastic cement pipe 23a, an end is corresponding be responsible for intercepted winding steel butt joint or overlap joint is connected, the other end connects adjacent arm winding steel 23b along the vertical direction of being responsible for intercepted winding steel 21b.
When intercepted person in charge's winding steel 21b and adjacent arm winding steel 23b in abutting connection with the time, the arm winding steel 23b that this intercepted person in charge's winding steel 21b is adjacent with this directly is connected.
The end that arm winding steel 23b is cut can be connected, also can not connect with person in charge's winding steel 21b that it intersects, all can realize the object of the invention.
Plastic-steel spirally-wound three-way pipe embodiment three
Present embodiment and embodiment two are basic identical, difference is: many auxiliary steel bands that connect are set, and every auxiliary connects that steel band inboardly pastes mutually with the outer wall of arm plastic cement pipe 23a, two ends are connected with the adjacently situated surfaces (being adjacent two link 22c two opposite surfaces or immediate two side surfaces) of adjacent two link 22c respectively or two ends are connected with the adjacently situated surfaces of the adjacent person in charge two intercepted winding steel 21b respectively.
Many Stress Transfer chains of assisting the connection steel band to constitute the link 22c horizontal direction of this auxiliary connection steel band connection in proper order maybe are somebody's turn to do the Stress Transfer chain of assisting the person in charge's winding steel 21b horizontal direction that connects the steel band connection.
Many the auxiliary steel bands that connect can not seal along the ring seal of arm plastic cement pipe 23a outer wall yet, all can realize the object of the invention.
In the foregoing description, " connection " between the structure can be adopted to include but not limited to weld or Placement that bonding etc. is fit to.
In the foregoing description, link 22c can adopt platy structure, also can adopt block structure.
In the foregoing description, on the link surface, annular connects steel strip surface, the auxiliary steel strip surface that connects is provided with protective layer, as paints and lacquers protection layer or plastic cement protective layer etc., with improve link, annular connects steel band, the auxiliary anti-corrosion capacity that connects steel band.Protective layer can cover or local link, annular connection steel band, the auxiliary bare metallic surface that connects steel band of covering fully.
Make the method for plastic-steel spirally-wound three-way pipe of the present utility model, comprise the steps:
Material preparation step: the plastic-steel spirally-wound three-way pipe that promptly preparing draws up makes requires the plastic-steel of specification to twine the person in charge, plastic-steel winding arm and link material.
Look for point, setting-out, cutting step:
As Fig. 3,4, shown in 5, (being responsible on the plastic cement pipe outer wall is 211 according to the theoretical intersecting line of being responsible for plastic cement pipe outer wall and arm plastic cement pipe outer wall, on arm plastic cement pipe outer wall is 231), determine that two pipe outer walls pass through crossing peak (as the point of the H among Fig. 5) and minimum point (as the point of the B among Fig. 5) mutually, between peak and minimum point, get a little at interval, determine that according to projection relation each point is responsible for coordinate on the plastic cement 21a outer wall and the coordinate on the arm plastic cement pipe 23a outer wall, look for a little on person in charge's plastic cement pipe 21a outer wall and arm plastic cement pipe 23a outer wall according to determined coordinate, the smooth connection each point obtains being responsible for plastic cement pipe outer wall intersecting line 211 and arm plastic cement pipe outer wall intersecting line 231.
As shown in Figure 4, with the each point on the intersecting line 231 of arm plastic cement pipe 23a outer wall be responsible in arm plastic cement pipe 23a outer wall upper edge radially respectively translation be responsible for the distance that winding steel 21b exposes a height being responsible for plastic cement pipe 21a outer wall, the each point after the smooth connection translation obtains the winding steel intersecting line 221 of arm.
Mutually passing through intersection location with the person in charge with arm according to being responsible for length, is that basic point determines to be responsible for the two ends port position respectively along being responsible for axial direction with the minimum point.According to a length of tube, be that basic point is determined arm flush end mouth position along a tube axis direction with the minimum point.
Theoretical intersection according to the both side surface of being responsible for winding steel 21b and arm plastic cement pipe 23a outer wall intersection, determine to be responsible for winding steel 21b is cut place's both side surface by arm plastic cement pipe 23a outer wall minimum point coordinate and peak coordinate respectively, on person in charge's winding steel 21b, looked for a little by section minimum point coordinate of place's both side surface and peak coordinate according to being responsible for winding steel 21b, and connect the intersection that obtains being responsible for winding steel 21b and arm plastic cement pipe 23a outer wall.
Cut person in charge plastic cement pipe 21a and intercepted person in charge's winding steel 21b thereof respectively along being responsible for plastic cement pipe outer wall intersecting line 211 and intersection, along arm plastic cement pipe outer wall intersecting line 231 cutting arm plastic cement pipe 23a, winding steel intersecting line 221 and arm radial cuts arm winding steel 23b along arm, remove two ends by the arm winding steel that cuts, cutting is responsible for and arm flush end mouth.
With arm plastic cement pipe outer wall intersecting line 231 be responsible for plastic cement pipe outer wall intersecting line 211 and match after, corresponding respectively intercepting connects the link 22c of intercepted person in charge's winding steel 21b and adjacent arm winding steel 23b.
Pre-treatment step: connection part, person in charge's winding steel 21b to link 22c end are connected preceding pretreatment by the connection part of end, truncated position and this end with the corresponding connection part of arm winding steel 23b; comprise that the polishing burr makes connection part smooth; when connection part matcoveredn (paint or plastic layer etc.); remove protective layer; expose 5～10 millimeters of metal width, so that connect.
The steel band Connection Step: with link 22c respectively be responsible for intercepted end of winding steel 21b and corresponding arm winding steel 23b and be connected, steel band connects common employing and is welded to connect, and also can adopt mode such as bonding to connect.Connection can be direct connection, directly is connected with the intercepted end of person in charge winding steel 21b as link 22c; Also can be indirect connection, be connected annular the connection on the steel band 22a, connect steel band 22a by annular again and be connected with the intercepted end of person in charge winding steel 21b as link 22c.
Plastic cement connects: arm plastic cement pipe outer wall intersecting line 231 is carried out airtight continuously plastic cement with person in charge's plastic cement pipe outer wall intersecting line 211 junctions be connected, can carry out the melting welding connection by extruding the welding rod material.
Closed-water test: the plastic-steel spirally-wound three-way pipe of finishing the plastic cement connection is carried out closed-water test, guarantee not have and reveal,, repair if any leakage.
In the said method, after the steel band Connection Step, can comprise the protection step: molten plastic covers the bare metallic surface of seal connector 22c and winding steel 21b, 23b.
When the plastic-steel spirally-wound three-way pipe structure of making has annular connection steel band, in the said method, in material preparation step, comprise and prepare the banded steel band that connects; After in looking for point, setting-out, cutting step, being included in arm plastic cement pipe outer wall intersecting line 231 and person in charge's plastic cement pipe outer wall intersecting line 211 matching, connect the splice sections of steel band intercepting splicing annular connection steel band 22a from band shape along the winding steel intersecting line 221 of arm; Comprise that in pre-treatment step the splice sections to annular connection steel band splice sections connects preceding pretreatment; Comprise that in the steel band Connection Step connecting the steel band splice sections along the winding steel intersecting line splicing annular of arm obtains annular connection steel band 22q, annular is connected in the steel band 22a ring side pastes mutually with arm plastic cement pipe 23a outer wall, connect this annular and connect steel band 22a downside and be responsible for intercepted winding steel 21b, connect this annular and connect the steel band 22a upside and the relative the other end of link 22c connecting branch winding steel 23b one end.After the steel band Connection Step, can also comprise the protection step: molten plastic covers the bare metallic surface of seal connector 22c, annular connection steel band 22a and winding steel 21b, 23b.
When the plastic-steel spirally-wound three-way pipe structure of making has auxiliaryly when connecting steel band, in the said method, in material preparation step, comprise and prepare the banded steel band that connects; The auxiliary connection steel band that in the steel band Connection Step, connects this adjacently situated surfaces corresponding to the adjacently situated surfaces intercepting of adjacent two links, pretreatment is carried out on the auxiliary connection surface that connects steel band, the auxiliary steel band that connects is connected with the adjacently situated surfaces of corresponding link 22c.After the steel band Connection Step, can also comprise the protection step: molten plastic covers seal connector 22c, the auxiliary bare metallic surface that connects steel band and winding steel 21b, 23b.
Claims (7)
1. plastic-steel spirally-wound three-way pipe, being included in the plastic-steel that plastic cement pipe outer wall is provided with the spiral winding steel twine to be responsible for and plastic-steel winding arm, it is characterized in that, the plastic cement tube end of described arm passes through connection mutually with the described person in charge's plastic cement pipe sidewall, and described tube's axis is positioned at the horizontal direction of described person in charge's axis;
The spiral winding steel of described arm is continuous along helix;
Pasted mutually with described arm plastic cement pipe outer wall by described person in charge's winding steel end that described arm plastic cement pipe outer wall blocks;
Comprise link, the winding steel that described link one side is pasted mutually with described arm plastic cement pipe outer wall, first end connects the intercepted winding steel of the described person in charge, second end connects adjacent described arm along the vertical direction of the intercepted winding steel of the described person in charge;
The described arm winding steel adjacent with this with the described intercepted winding steel of the winding steel adjacency of adjacent described arm directly is connected.
2. plastic-steel spirally-wound three-way pipe as claimed in claim 1, it is characterized in that, comprise that annular connects steel band, the interior ring of described annular connection steel band side is connected with the intercepted winding steel of the described person in charge with the subsides mutually of described arm plastic cement pipe outer wall, downside, upside is connected with described second end of described link.
3. plastic-steel spirally-wound three-way pipe as claimed in claim 2 is characterized in that, described annular connects the steel band downside and is connected with the upside of the adjacent described person in charge's continuous winding steel.
4. plastic-steel spirally-wound three-way pipe as claimed in claim 1, it is characterized in that, comprise many auxiliary steel bands that connect, every described auxiliary connection steel band is inboard to be pasted mutually with described arm plastic cement pipe outer wall, two ends are connected with the adjacently situated surfaces of adjacent two described links respectively or two ends are connected with the adjacently situated surfaces of the described person in charge's two adjacent intercepted winding steels respectively, and described many auxiliaryly connect the Stress Transfer chains that steel bands constitute the horizontal direction of this described link of assisting the connection of connection steel band or described person in charge's winding steel in proper order.
5. plastic-steel spirally-wound three-way pipe as claimed in claim 1 is characterized in that, comprises attached to the lip-deep protective layer of described link.
6. as claim 2 or 3 described plastic-steel spirally-wound three-way pipes, it is characterized in that, comprise attached to the protective layer that is connected with described annular on the described link surface on the steel strip surface.
7. plastic-steel spirally-wound three-way pipe as claimed in claim 4 is characterized in that, comprise attached on the described link surface with the described auxiliary protective layer that is connected on the steel strip surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201280810U CN201661805U (en) | 2010-03-10 | 2010-03-10 | Plastic steel winding pipe three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201280810U CN201661805U (en) | 2010-03-10 | 2010-03-10 | Plastic steel winding pipe three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201661805U true CN201661805U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201280810U Expired - Fee Related CN201661805U (en) | 2010-03-10 | 2010-03-10 | Plastic steel winding pipe three-way valve |
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| Country | Link |
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| CN (1) | CN201661805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793337A (en) * | 2010-03-10 | 2010-08-04 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
-
2010
- 2010-03-10 CN CN2010201280810U patent/CN201661805U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793337A (en) * | 2010-03-10 | 2010-08-04 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
| CN101793337B (en) * | 2010-03-10 | 2012-10-17 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20140711 Granted publication date: 20101201 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
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Date of cancellation: 20150111 Granted publication date: 20101201 |
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