CN202293449U - Compounded section bar of metal and composite material - Google Patents
Compounded section bar of metal and composite material Download PDFInfo
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- CN202293449U CN202293449U CN 201120365233 CN201120365233U CN202293449U CN 202293449 U CN202293449 U CN 202293449U CN 201120365233 CN201120365233 CN 201120365233 CN 201120365233 U CN201120365233 U CN 201120365233U CN 202293449 U CN202293449 U CN 202293449U
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Abstract
The utility model provides a compounded section bar of metal and composite material. The compounded section bar comprises a metal section bar coat (1), an elastomer protecting sleeve (2) and a composite material section bar skeleton (3), wherein after the composite material section bar skeleton (3) is stuck on the elastomer protecting sleeve (2), the elastomer protecting sleeve (2) and the composite material section bar skeleton (3) are inserted into the metal section bar coat (1) together, and two ends of the metal section bar coat (1) are also provided with an end sealing part (11). The compounded section bar provided by the utility model can keep the advantage of light weight and high strength of the composite material, and can resist the impact, resist abrasion and be welded like the metal section bar. The preparation method is simple and easy to realize. The compounded section bar has a wide application prospect in the tool manufacture field.
Description
Technical field
The utility model belongs to the composite material field, relates in particular to a kind of metal and composite compound section bar altogether.
Background technology
Advantages such as composite has light weight as a kind of new material, and intensity is big, and is corrosion-resistant, and the structure designability is strong are widely used in automobile, Aero-Space, and building, fields such as sports goods, composite material section bar has also substituted shape in a plurality of fields.But compare with shape, composite material section bar also has its weakness, and is poor like impact resistance, not wear-resistant, connects difficulty, can not weld etc.
About composite material, there is pair shape to do improvement at present, process composite material, like aluminum series alloy, select one of which as core with two kinds of unlike materials; The aluminum series alloy of selecting itself and core then and be unlike material shapes the external coating body into hollow, and is incorporated into this core outside, processes aluminium alloy ingots; Again aluminium alloy ingots is imposed and be heated to plasticity, then this aluminium alloy ingots is extruded into the rectangular extrusion sectional material product of multi-layer that ectonexine comprises the aluminum series alloy of two kinds of unlike materials.
The improvement document that simultaneously also has pair composite to do, as can wood plastic composite or Wood-plastic foam material being processed inner core and enhancement Layer, enhancement Layer wraps or partly is coated on interior core outer surface entirely.Wherein, said wood plastic composite inner core is hollow or real core core; Said enhancement Layer is high performance resin material or modified composite material.
But above-mentioned improvement still has the drawback of metal material and each self-application of composite material, for the advantage of comprehensive shape and composite material section bar, the utility model provides a kind of novel metal and composite compound section bar altogether.
The utility model content
The utility model provides a kind of metal and composite compound section bar altogether, and this section bar is a kind of novel composite material, can keep the big advantage of composite light weight intensity, again can be as the shape shock resistance, and wear-resisting, can weld.
In order to reach above purpose, the utility model has adopted following scheme:
A kind of metal and composite be compound section bar altogether, comprises the shape overcoat, elastomer protective layer, composite material section bar skeleton; Said shape overcoat is embedded with the composite material section bar skeleton, is provided with said elastomer protective layer in the middle of both.
Wherein, shape overcoat two ends also have the end-blocking part.
The enclosure portion of above-mentioned shape overcoat is in order to realize the location of composite material section bar skeleton, also can to adopt the plasticity extruding of shape overcoat two ends to carry out the method completion location of undergauge; Wherein use the enclosure portion effect more excellent, can be along with the prolongation occurrence positions skew of service time.And need closed at both ends, otherwise inner section bar can be to a untight end slippage.
Wherein, said metal and composite are total to compound section bar and can manufacture hollow or solid all can according to the use needs.
Wherein, said shape overcoat is selected from the metal thin-wall square tube, pipe or quarter bend.
Wherein, said shape overcoat material can be iron and steel, steel and alloy, aluminium, aluminium alloy, copper or copper alloy etc.Preferred iron and steel, aluminium alloy; More preferably iron and steel.Wherein, said shape overcoat can be according to the difference of impulsive force in the applying working condition, and the thickness of preparation is also different, and scope is 0.1-100mm than broad.
Wherein, said elastomer protective layer can be thermo-setting elastomer or thermoplastic elastomer (TPE).
Wherein, said thermo-setting elastomer is selected from natural rubber, isoprene rubber, polybutadiene rubber, butadiene-styrene rubber; Nitrile rubber, halogenation nitrile rubber, neoprene, butyl rubber, halogenated butyl rubber; Chlorinated scoline, brombutyl, EPM and ethylene propylene diene rubber, epichlorohydrin rubber; Lactoprene, silicon rubber, fluorosioloxane rubber, one or more in fluorubber and the chlorosulfonated polyethylene (a kind of is good).Preferred silicon rubber, fluorosioloxane rubber, fluorubber.
Wherein, said thermoplastic elastomer (TPE) is selected from thermoplastic polyolefin elastomer, thermoplastic styrene class elastomer, polyurethanes thermoplastic elastomer (TPE); The polyesters thermoplastic elastomer (TPE), thermoplastic polyamide elastomer, halogen-containing thermoplastic elastomer; The ion-type thermoplastic elastomer (TPE), ethylene copolymer thermoplastic elastomer (TPE), 1; 2 polybutadiene thermoplastic elastomer (TPE)s, using trans-polyisoprene thermoplastic elastomer (TPE), one or more in melt processible thermoplastic elastomer (TPE) and the thermoplastic sulfurized rubber (a kind of is good).Preferred thermoplastic polyolefin elastomer, thermoplastic styrene class elastomer or polyurethanes thermoplastic elastomer (TPE).More preferably polyurethanes thermoplastic elastomer (TPE).
Above-mentioned elastomer protective layer is ageing-resistant, high-low temperature resistant and can in order to the encapsulation.
Wherein, said elastomer protective layer is according to the difference of impulsive force in the applying working condition, and the thickness of preparation is also different, and scope is 0.1-10mm, and this thickness can satisfy the impact requirement.
Wherein, said elastomer protective layer is coated on the composite material section bar skeleton entirely.
Wherein, said composite material section bar skeleton can be the composite square tube, pipe, quarter bend, channel-section steel or I-steel etc.
Wherein, the material of said composite material section bar skeleton is for being to strengthen body with the fiber, and thermoplastic resin or thermosetting resin are the composite of matrix.Composite can be one or more, and a kind of is good.
Wherein, in the said composite material section bar skeleton fiber volume fraction between 60-75%.
Wherein, the fiber in the said composite material section bar skeleton is carbon fiber, glass fibre, aramid fiber, basalt fibre or assorted fibre.
Wherein, said assorted fibre is a carbon fiber, glass fibre, the combination in any of aramid fiber or basalt fibre.
Wherein, the thermoplastic resin in the said composite material section bar skeleton is a polyethylene, polypropylene; Acrylonitrile-butadiene-styrene copolymer (ABS), polyether-ether-ketone, polyvinyl chloride; PETG (PET), Merlon (PC), polymethyl methacrylate; DCPD (DCPD), polytetrafluoroethylene (PTFE), polyurethane or gather third ethene etc.
Wherein, the thermosetting resin in the said composite material section bar skeleton is an epoxy resin, unsaturated polyester (UP), vinylite or phenolic resins etc.
Just; The material of said composite material section bar skeleton is that carbon fiber strengthens thermoplastic composite, carbon fiber-reinforced thermosetting composite, glass fiber reinforced thermoplastics composite; The glass-fiber reinforced thermo-setting composite; Aramid fiber strengthens thermoplastic composite, and aramid fiber strengthens same with thermosetting compound material, and basalt fibre strengthens thermoplastic composite or basalt fibre strengthens same with thermosetting compound material etc.
Said carbon fiber strengthens thermoplastic composite and is selected from carbon fiber enhancing composite polyethylene material, carbon fiber reinforced polypropylene compound material, carbon fiber reinforced ABS composite; Carbon fiber reinforced polyetheretherketonecomposite composite material; Carbon fiber reinforced polyvinyl chloride composite, carbon fiber REINFORCED PET composite, carbon fiber strengthens the PC composite; Carbon fiber strengthens composite material of polymethyl methacrylate; Carbon fiber strengthens the DCPD composite, and carbon fiber reinforced ptfe composite, carbon fiber strengthen compound polyurethane material or the carbon fiber enhancing gathers the third ethene composite etc.Can be one or more, a kind of be good.
Said carbon fiber-reinforced thermosetting composite is selected from carbon-fibre reinforced epoxy resin composite material, and carbon fiber strengthens unsaturated polyester composite, and carbon fiber strengthens vinyl composite or carbon fiber strengthens phenolic resin composite.Can be one or more, a kind of be good.
Said glass fiber reinforced thermoplastics composite is selected from fiber-glass reinforced polyethylene composite, glass fiber reinforced polypropylene composite material, glass fiber reinforced ABS composite material; Glass fiber reinforced polyester ether ether ketone composite; The reinforced PVC composite, glass fibre REINFORCED PET composite, glass fibre strengthens the PC composite; Glass fiber reinforced polyester methyl methacrylate composite; Glass fibre strengthens DCPD composite, glass fiber reinforced polyester tetrafluoroethene composite, glass fiber reinforced polyester ammonia ester composite or the glass fiber reinforced polyester third ethene composite etc.Can be one or more, a kind of be good.
Said glass-fiber reinforced thermo-setting composite is selected from the glass fiber reinforced epoxy resin composite, the glass fiber reinforcement unsaturated polyester composite, and glass fibre strengthens vinyl composite or glass fibre-reinforced phenolic resin composite.Can be one or more, a kind of be good.
Said aramid fiber strengthens thermoplastic composite and is selected from aramid fiber enhancing composite polyethylene material, aramid fiber reinforced polypropylene compound material, aramid fiber reinforced ABS composite; Aramid fiber reinforced polyether ether ketone composite; Aramid fiber reinforced polyvinyl chloride composite, aramid fiber REINFORCED PET composite, aramid fiber strengthens the PC composite; Aramid fiber strengthens composite material of polymethyl methacrylate; Aramid fiber strengthens the DCPD composite, and aramid fiber reinforced TFE composite, aramid fiber strengthen compound polyurethane material or the aramid fiber enhancing gathers the third ethene composite etc.Can be one or more, a kind of be good.
Said aramid fiber strengthens same with thermosetting compound material and is selected from the glass fiber reinforced epoxy resin composite; Aramid fiber strengthens strong unsaturated polyester composite, and aramid fiber strengthens strong vinyl composite or aramid fiber strengthens strong phenolic resin composite.Can be one or more, a kind of be good.
Said basalt fibre strengthens thermoplastic composite and is selected from basalt fibre enhancing composite polyethylene material, basalt fibre reinforced polypropylene compound material, basalt fibre reinforced ABS composite; Basalt fibre reinforced polyether ether ketone composite; Basalt fibre reinforced polyvinyl chloride composite, basalt fibre REINFORCED PET composite, basalt fibre strengthens the PC composite; Basalt fibre strengthens composite material of polymethyl methacrylate; Basalt fibre strengthens the DCPD composite, and basalt fibre reinforced TFE composite, basalt fibre strengthen compound polyurethane material or the basalt fibre enhancing gathers the third ethene composite etc.Can be one or more, a kind of be good.
Said basalt fibre strengthens same with thermosetting compound material and is selected from the glass fiber reinforced epoxy resin composite; Basalt fibre strengthens unsaturated polyester composite, and basalt fibre strengthens vinyl composite or basalt fibre strengthens phenolic resin composite.Can be one or more, a kind of be good.
Wherein, the preferred carbon fiber of the material of said composite material section bar skeleton strengthens thermoplastic composite or carbon fiber-reinforced thermosetting composite.
Wherein, more preferably carbon fiber reinforced polypropylene compound material or carbon-fibre reinforced epoxy resin composite material etc. of the material of said composite material section bar skeleton.
Wherein, said composite material section bar skeleton can be one deck structure, and thickness is 1-200mm.
Wherein, said composite material section bar skeleton, the thickness ratio of elastomer protective layer and shape overcoat is 100: (1-20): (1-50); Preferential scope is 100: (1-10): (2-20).
The application has continued to provide a kind of metal and the composite preparation method of compound section bar altogether, comprising: the elastomer protective layer is coated on the composite material section bar skeleton, together inserts the shape overcoat then.
Above-mentioned metal and composite be the preparation method of compound section bar altogether, also comprises the closed and welding of shape overcoat end-blocking part with shape overcoat two ends, the location of accomplishing the composite material section bar skeleton.
Wherein, said the elastomer protective layer is coated on the composite material section bar skeleton, realizes through bonding way.
Wherein, said bonding adhesive therefor is epoxy glue or polyurethane adhesive etc.
Wherein, the composite material section bar skeleton that is coated with the elastomer protective layer is inserted the shape overcoat, said elastomer protective layer receives the compression of shape overcoat, utilizes its restoring force closely to contact with the shape overcoat.If adopt the fluid sealant can, make the composite material section bar skeleton be embedded in the shape overcoat, owing to there is not restoring force, can not produce a desired effect.
Among the above-mentioned preparation method: the composite material section bar skeleton, the elastomer protective layer, the qualification of shape overcoat and shape overcoat end-blocking part all with the common compound section bar of metal described in the utility model content and composite in corresponding qualification identical.
Metal that the utility model content provides and composite compound section bar altogether can be used on the vehicles, are particularly useful at automobile truck, motor-car etc.
The metal of the utility model design and composite be composite material altogether, and skin is the shape overcoat, can bear wearing and tearing, can weld with other shapes simultaneously.The intermediate layer is the elastomer protective layer, and its high temperature resistant character can self be without prejudice when outer metal solder and protect inner layer composite material section bar skeleton, bears impulsive force simultaneously.Innermost layer is the composite material section bar skeleton, is main load-carrying construction, and is that integral body has kept the big advantage of composite light weight intensity; Be particularly useful at automobile, truck, alternative metals material on the vehicles such as motor-car reaches light-weighted purpose, and weight is merely the 25%-65% of metal material.
In a word, the composite material of the utility model can keep the big advantage of composite light weight intensity on the whole, again can be as the shape shock resistance, and wear-resisting, can weld; And the preparation method is simple, has very wide application prospect in vehicles manufacturing field.
Description of drawings
Fig. 1 is the whole composite material structural representation that is square; Wherein 1 is the shape overcoat, and 2 is the elastomer protective layer, and 3 is the composite material section bar skeleton, and 11 is shape overcoat end-blocking part.
Fig. 2 is the whole composite material section of structure that is square; Likewise, wherein 1 is the shape overcoat, and 2 is the elastomer protective layer, and 3 is the composite material section bar skeleton.
The specific embodiment
Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
With reference to figure 1, metal that the utility model is related and composite be composite material altogether, comprises shape overcoat 1, elastomer protective layer 2, composite material section bar skeleton 3; Wherein, shape overcoat 1 two ends can also have end-blocking part 11.
Wherein, after said composite material section bar skeleton 3 is pasted said elastomer protective layer 2, together insert said shape overcoat 1, then be closed in the end-blocking part 11 at shape overcoat two ends.
The composite material preparation method of the utility model is following:
The first step adopts pultrude process to produce composite material section bar skeleton 3, selects suitable fiber and resin for use according to designing requirement, and the appearance and size of material;
In second step, at composite material section bar skeleton 3 paste outside elastomer protective layers 2, its thickness requires to be as the criterion can satisfy to impact;
The 3rd step, the composite material section bar skeleton of pasting elastomer protective layer 23 is inserted in the shape overcoat 1, elastomer protective layer 2 receives the compression of shape overcoat 1, utilizes its restoring force closely to contact with shape overcoat 1;
The 4th step is with shape overcoat end-blocking the part 11 closed and welding at shape overcoat 1 two ends, the location of accomplishing composite material section bar skeleton 3.
The section bar that makes is because the outside is metal material, and its wearability is consistent with metal material, and is much higher than composite.
Embodiment 1
The first step uses pultrude process to produce composite material section bar skeleton 3, and composite material section bar 3 used carbon fibers are blue star CT-580,24K, and the E51 epoxy-resin systems that resin is produced for Wuxi resin processing plant, outside dimension is the 95mm square tube, wall thickness is 10mm;
In second step, at composite material section bar skeleton 3 paste outside elastomer protective layers 2, elastomer protective layer 2 is a silicon rubber, and its thickness is 5mm, and the stickup adhesive therefor is an epoxy glue;
The 3rd step, the composite material section bar skeleton of pasting elastomer protective layer 23 is inserted in the shape overcoat 1, metal sleeve is stainless steel 301 materials, and appearance and size is the 100mm square tube, and wall thickness is 2mm;
The 4th step, with shape overcoat end-blocking part 11 closures at shape overcoat 1 two ends, welding then, the location of accomplishing composite material section bar skeleton 3.
The weight that makes section bar is 14.32Kg/m, is 36% of equal volume iron and steel weight, and intensity is 1444Mpa simultaneously, is 2.33 times of Q235 steel.
The first step uses pultrude process to produce composite material section bar skeleton 3, and composite material section bar 3 used carbon fibers are eastern beautiful T-700,12K, and the E51 epoxy-resin systems that resin is produced for Wuxi resin processing plant, outside dimension is the 95mm square tube, wall thickness is 10mm;
In second step, at composite material section bar skeleton 3 paste outside elastomer protective layers 2, elastomer protective layer 2 is a silicon rubber, and its thickness is 5mm, and the stickup adhesive therefor is an epoxy glue;
The 3rd step, the composite material section bar skeleton of pasting elastomer protective layer 23 is inserted in the shape overcoat 1, metal sleeve is aluminium alloy 6061 materials, and appearance and size is the 100mm square tube, and wall thickness is 2mm;
The 4th step, with shape overcoat end-blocking part 11 closures at shape overcoat 1 two ends, welding then, the location of accomplishing composite material section bar skeleton 3.
The weight that makes section bar is 10.24Kg/m, is 22% of equal volume iron and steel weight, and intensity is 1862Mpa simultaneously, is three times of high strength steel.
Product size and making step are with embodiment 1, and metal-coating is an aluminium alloy, and protective layer is a polyolefin elastomer, and composite material section bar is a glass fiber reinforced polypropylene; Shown in product properties such as experimental example 1 table.
Embodiment 4
Product size and making step are with embodiment 1, and metal-coating is a corronil, and protective layer is a polyurethane elastomer, and composite material section bar is that aramid fiber strengthens acrylonitrile-butadiene-styrene copolymer; Shown in product properties such as experimental example 1 table.
Embodiment 5
Product size and making step are with embodiment 1, and metal-coating is an aluminium alloy, and protective layer is a polyolefin elastomer, and composite material section bar is the basalt fibre RPP; Shown in product properties such as experimental example 1 table.
The comparative example 1
The first step uses pultrude process to produce composite material section bar skeleton 3, and composite material section bar 3 used carbon fibers are blue star CT-580,24K, and the E51 epoxy-resin systems that resin is produced for Wuxi resin processing plant, outside dimension is the 95mm square tube, wall thickness is 10mm;
In second step, at composite material section bar skeleton 3 paste outside elastomer protective layers 2, elastomer protective layer 2 is a silicon rubber, and its thickness is 5mm, and the stickup adhesive therefor is an epoxy glue;
The 3rd step, the composite material section bar skeleton of pasting elastomer protective layer 23 is inserted in the shape overcoat 1, metal sleeve is stainless steel 301 materials, and appearance and size is the 100mm square tube, and wall thickness is 2mm;
The weight that makes section bar is 14.32Kg/m, is 30% of equal volume iron and steel weight, and intensity is 1444Mpa simultaneously, is 2.33 times of Q235 steel.
Through long-term reverse the endurance test after, relative displacement takes place with shape overcoat 1 in elastomer protective layer 2, has a strong impact on safety in utilization.
Experimental example 1
Simultaneously, composite material section bar skeleton 3 uses carbon fiber, glass fibre, and aramid fiber, the section bar performance comparison as shown in the table (other conditions with embodiment 1) of basalt fibre for strengthening the body raw material and using the Q235 steel to get:
Though, the utility model has been done detailed description in the preceding text with general explanation and specific embodiments, on the utility model basis, can to some modifications of do or improvement, this will be apparent to those skilled in the art.Therefore, these modifications or the improvement on the basis of not departing from the utility model spirit, made all belong to the scope that the utility model requirement is protected.
Claims (10)
1. metal and composite compound section bar altogether is characterized in that, comprising: shape overcoat (1), elastomer protective layer (2), composite material section bar skeleton (3); Said shape overcoat (1) is embedded with composite material section bar skeleton (3), is provided with said elastomer protective layer (2) in the middle of both.
2. metal according to claim 1 and composite be compound section bar altogether, it is characterized in that: said shape overcoat (1) two ends also have end-blocking part (11).
3. metal according to claim 1 and 2 and composite be compound section bar altogether, and it is characterized in that: the material of said shape overcoat (1) is iron and steel, steel and alloy, aluminium, aluminium alloy, copper or copper alloy.
4. metal according to claim 1 and 2 and composite be compound section bar altogether, and it is characterized in that: said shape overcoat (1) is selected from the metal thin-wall square tube, pipe or quarter bend; Thickness is 0.1-100mm.
5. metal according to claim 1 and 2 and composite be compound section bar altogether, and it is characterized in that: said elastomer protective layer (2) is thermo-setting elastomer or thermoplastic elastomer (TPE).
6. metal according to claim 5 and composite be compound section bar altogether, and it is characterized in that: said thermo-setting elastomer is selected from natural rubber, isoprene rubber, polybutadiene rubber; butadiene-styrene rubber, nitrile rubber, halogenation nitrile rubber, neoprene; butyl rubber, halogenated butyl rubber, chlorinated scoline, brombutyl; EPM and ethylene propylene diene rubber, epichlorohydrin rubber, lactoprene; silicon rubber, fluorosioloxane rubber, one or more in fluorubber and the chlorosulfonated polyethylene; Said thermoplastic elastomer (TPE) is selected from thermoplastic polyolefin elastomer, thermoplastic styrene class elastomer, polyurethanes thermoplastic elastomer (TPE); The polyesters thermoplastic elastomer (TPE), thermoplastic polyamide elastomer, halogen-containing thermoplastic elastomer; The ion-type thermoplastic elastomer (TPE), ethylene copolymer thermoplastic elastomer (TPE), 1; 2 polybutadiene thermoplastic elastomer (TPE)s, using trans-polyisoprene thermoplastic elastomer (TPE), one or more in melt processible thermoplastic elastomer (TPE) and the thermoplastic sulfurized rubber.
7. metal according to claim 1 and 2 and composite be compound section bar altogether, and it is characterized in that: the thickness of said elastomer protective layer (2) is 0.1-10mm, is coated on entirely on the composite material section bar skeleton (3).
8. metal according to claim 1 and 2 and composite be compound section bar altogether, it is characterized in that: said composite material section bar skeleton (3) material is for being to strengthen body with the fiber, and thermoplastic resin or thermosetting resin are the composite of matrix.
9. metal according to claim 8 and composite be compound section bar altogether, and it is characterized in that: said fiber is a carbon fiber, glass fibre, aramid fiber, basalt fibre or assorted fibre; Said thermoplastic resin is a polyethylene, polypropylene, acrylonitrile-butadiene-styrene copolymer, polyether-ether-ketone; Polyvinyl chloride, PETG, Merlon, polymethyl methacrylate; DCPD, polytetrafluoroethylene (PTFE), polyurethane or gather third ethene; Said thermosetting resin is an epoxy resin, unsaturated polyester (UP), vinylite, phenolic resins.
10. metal according to claim 1 and 2 and composite be compound section bar altogether, and it is characterized in that: said composite material section bar skeleton (3) is composite square tube, pipe, quarter bend, channel-section steel or I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120365233 CN202293449U (en) | 2011-09-26 | 2011-09-26 | Compounded section bar of metal and composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120365233 CN202293449U (en) | 2011-09-26 | 2011-09-26 | Compounded section bar of metal and composite material |
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| Publication Number | Publication Date |
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| CN202293449U true CN202293449U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120365233 Expired - Lifetime CN202293449U (en) | 2011-09-26 | 2011-09-26 | Compounded section bar of metal and composite material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009682A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Profile commonly compounded by metal and composite material and preparation method thereof |
| CN105179818A (en) * | 2015-06-13 | 2015-12-23 | 陈新棠 | Composite copper pipe |
| CN107757787A (en) * | 2017-09-28 | 2018-03-06 | 东莞永湖复合材料有限公司 | The adjustable rigid bicycle frame structure of middle pipe |
-
2011
- 2011-09-26 CN CN 201120365233 patent/CN202293449U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009682A (en) * | 2011-09-26 | 2013-04-03 | 蓝星(北京)化工机械有限公司 | Profile commonly compounded by metal and composite material and preparation method thereof |
| CN105179818A (en) * | 2015-06-13 | 2015-12-23 | 陈新棠 | Composite copper pipe |
| CN107757787A (en) * | 2017-09-28 | 2018-03-06 | 东莞永湖复合材料有限公司 | The adjustable rigid bicycle frame structure of middle pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200812 Address after: 101312 No.5, Anxiang street, Airport Industrial Zone, Shunyi District, Beijing Patentee after: BEIJING BLUESTAR CLEANING Co.,Ltd. Address before: 100176 No. 5 Xingye street, Beijing economic and Technological Development Zone Patentee before: BLUESTAR (BEIJING) CHEMICAL MACHINERY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |