CN103183965A - Inspection well and production method thereof - Google Patents
Inspection well and production method thereof Download PDFInfo
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- CN103183965A CN103183965A CN2013101289870A CN201310128987A CN103183965A CN 103183965 A CN103183965 A CN 103183965A CN 2013101289870 A CN2013101289870 A CN 2013101289870A CN 201310128987 A CN201310128987 A CN 201310128987A CN 103183965 A CN103183965 A CN 103183965A
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- mulch film
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- 238000007689 inspection Methods 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 48
- 239000004576 sand Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000002362 mulch Substances 0.000 claims description 25
- 239000010913 used oil Substances 0.000 claims description 24
- 239000010721 machine oil Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- IANQTJSKSUMEQM-UHFFFAOYSA-N benzofuran Natural products C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000010736 steam turbine oil Substances 0.000 claims description 2
- 239000010902 straw Substances 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 7
- 239000011152 fibreglass Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 2
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention relates to the field of a pipeline building, and in particular relates to an inspection well and a production method thereof. The inspection well is prepared by the following raw materials in parts by weight: 5-7 parts of a waste mulching film, 3-4 parts of waste ore sand, 0.1-0.3 part of waste oil and 0.1-0.3 part of an anti-aging agent. The production method of the inspection well comprises the following steps: mixing the waste mulching film with the waste ore sand to obtain a mixing raw material; adding the waste oil and the anti-aging agent into the mixing raw material to obtain a raw material primary product; synthesizing the raw material primary product at 180-220 DEG C to obtain a raw material; and adding the raw material to be used in a die, and moulding to obtain a product. The inspection well provided by the invention is made from materials which are waste in daily production and life and are easy to collect, so that manufacturing cost of the inspection well is low.
Description
Technical field
The present invention relates to the pipeline building field, in particular to a kind of inspection chamber and production method thereof.
Background technology
Inspection chamber is widely used in water supply and drainage, telecommunication cable and the urban construction industry; Fiber glass reinforced plastics inspection well is a kind of inspection chamber commonly used, and this fiber glass reinforced plastics inspection well mainly is to be that raw material is made by glass fibre and vibrin.
But, this fiber glass reinforced plastics inspection well its mainly to make raw material be glass fibre or vibrin, also need to add some additives simultaneously, its price of glass fibre and vibrin is higher, therefore, the raw materials cost of fiber glass reinforced plastics inspection well is high.
Summary of the invention
The object of the present invention is to provide a kind of inspection chamber and production method, to solve the above problems.
A kind of inspection chamber is provided in the embodiments of the invention, according to the parts by weight meter, has comprised, useless mulch film 5-7 part, abandoned mine sand 3-4 part, used oil 0.1-0.3 part, antiaging agent 0.1-0.3 part.
A kind of production method of inspection chamber is provided in the embodiments of the invention, has comprised, will give up mulch film and abandoned mine sand mix, and obtain mixing raw material; Used oil and antiaging agent are added in the described mixing raw material, obtain the raw material first product; Described raw material first product is synthetic under 180-220 ℃ of temperature, obtain stand-by raw material; With the described stand-by raw material mould of packing into, and moulding, finished product obtained.
This inspection chamber that the embodiment of the invention provides, comprise useless mulch film 5-7 part, abandoned mine sand 3-4 part, used oil 0.1-0.3 part, antiaging agent 0.1-0.3 part, the making raw material of inspection chamber adopts the material of being discarded in the daily productive life, be by collecting the discarded mulch film after using as useless mulch film, equally, abandoned mine sand and used oil are all collected waste again and are obtained; Can be the discarded machine oil of having sneaked into the impurity such as metal-powder that moisture, dust, other assorted oil and component wear produce as used oil, also can be go bad gradually, generated the discarded machine oil of organic acid, colloid and bituminous substances; When various components are mixed, because useless mulch film belongs to a kind of of plastics, have plasticity-, when with after abandoned mine sand, used oil and antiaging agent mix, abandoned mine sand is as a kind of packing material, and the framework of whole inspection chamber is finalized the design has important supporting role; And the adding of used oil has increased flowability and the binding property of mixture; Antiaging agent then plays good anti-aging effect to the inspection chamber of moulding; Therefore, obtain inspection chamber after handling after these components mix and by predetermined condition, it all is to collect the waste that obtains that its raw material is formed, easily collecting, and the cost of manufacture of Zhi inspection chamber is low therefrom.
Description of drawings
Fig. 1 shows the making method schema of the inspection chamber of the embodiment of the invention 1.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
In the description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in term terms such as " connections ", for example, can be fixedly connected; Can be that dismounting connects; It also can be a connection; It can be direct connection; Can be to connect indirectly by intermediary, can make the connection of two element internals, for the ordinary skill in the art, can particular case understand above-mentioned term concrete implication in the present invention.
Please refer to Fig. 1, the inspection chamber that the embodiment of the invention one provides according to the weight part number scale, comprising: useless mulch film 5-7 part, abandoned mine sand 3-4 part, used oil 0.1-0.3 part, antiaging agent 0.1-0.3 part.
The inspection chamber of the above embodiment of the present invention, in the process of using, the making raw material of inspection chamber adopts the material of being discarded in the daily productive life, is by collecting the discarded mulch film after using as useless mulch film, equally, abandoned mine sand and used oil are all collected waste again and are obtained; Can be the discarded machine oil of having sneaked into the impurity such as metal-powder that moisture, dust, other assorted oil and component wear produce as used oil, also can be go bad gradually, generated the discarded machine oil of organic acid, colloid and bituminous substances; When various components are mixed, because useless mulch film belongs to a kind of of plastics, have plasticity-, when with after abandoned mine sand, used oil and antiaging agent mix, abandoned mine sand is as a kind of packing material, and the framework of whole inspection chamber is finalized the design has important supporting role; And the adding of used oil has increased flowability and the binding property of mixture; Antiaging agent then plays good aging-resistant effect to the inspection chamber of moulding; Therefore, obtain inspection chamber after handling after these components mix and by predetermined condition, it all is to collect the waste that obtains that its raw material is formed, easily collecting, and the cost of manufacture of Zhi inspection chamber is low therefrom.
In addition, in an embodiment of the present invention, the main making raw material of the inspection chamber mulch film that gives up, it is a kind of common white pollution thing, by the utilization of present embodiment, the mulch film of can realizing giving up recycling, useless mulch film has obtained effective processing, when having solved the high problem of fiber glass reinforced plastics inspection well cost of manufacture, also realized effect in energy saving and environmental protection.
Simultaneously, with regard to the making raw material of present embodiment inspection chamber, because plastics and abandoned mine, sand self have good chemical resistance and thermotolerance; Its inspection chamber of making has the result of use same with fiber glass reinforced plastics inspection well, all can substitute the constructional difficulties of traditional " brick well " and the shortcoming that easily seeps water.
Preferably, according to the weight part number scale, comprising: 6 parts of useless mulch films, 3.7 parts in abandoned mine sand, 0.2 part of used oil, 0.1 part of antiaging agent.
In order to make that the inspection chamber of the embodiment of the invention one is better used, be applied to more easily in people's the activity in production, the present invention also provides embodiment two on the basis of above-described embodiment one, embodiment two is further restriction and increases of making on the basis of embodiment one, now does detailed elaboration and explanation:
Optionally, described antiaging agent is coumarone;
Coumarone indene resin generally presents faint yellow liquid to Vandyke brown solid or thickness, it is the resin that is made through condensation by coal tar or heavy benzene or carbolic oil, the yellow coumarone of solid also claims solid coumarone-indene resin, matter is hard and crisp, outward appearance is the spitting image of rosin, coumarone indene resin has thermoplasticity, be mainly used in replacing natural resin or fat rosin, with preparation insulation compound and rust proof paint, the tackiness agent of the tenderizer of rubber (the tackify enhancement is arranged) and pottery, and for ink oil felt processed and imitation leather, coating, composite and the tackiness agent of rubber, tire and rubber item, fields such as printing-ink, the Chang Zuowei material-mix is used; In the present embodiment, can select coumarone as antiaging agent, when coumarone indene resin and other material (as plastics) are composite, present good water tolerance, acid and alkali-resistance, antirust and electrical specification.
Optionally, the particulate state sand of described abandoned mine sand for filtering through the 65-90 eye mesh screen; Consider in the process of making inspection chamber, make the various making raw materials of inspection chamber to mix uniformly, so in the process of concrete operations, abandoned mine sand is the particulate state sand that filters by the 65-90 eye mesh screen.
It is to be noted simultaneously, in an embodiment of the present invention, described abandoned mine sand not merely is defined as ore in sand form, it can also be river sand or dust storm, as long as by after the predetermined screen cloth sieving, the size that satisfies particle gets final product, and, the cost of river sand and dust storm is little, and it is drawn materials easily, can well be applied in the prescription of the embodiment of the invention.
Optionally, described used oil is bavin machine oil or steam turbine oil.
In addition, the selection of used oil also is various, concrete, used oil can be the discarded machine oil of having sneaked into the impurity such as metal-powder of moisture, dust, other assorted oil and component wear generation, also can be to go bad gradually, generated the discarded machine oil of organic acid, colloid and bituminous substances, certainly, it is pointed out that used oil is except the above-mentioned example of lifting, also can comprise some other discarded machinery oil, as discarded lubricated wet goods.
In addition, in order to make the making processes of the inspection chamber that the embodiment of the invention provides can realize smoothly that present embodiment also provides a kind of making method of inspection chamber, comprising:
Step 101: will give up mulch film and abandoned mine sand mix, and obtain mixing raw material;
After mixing, useless mulch film and abandoned mine sand namely obtains mixing raw material; certainly in concrete operation; useless mulch film should carry out removal of impurities; remove its dust that contains and straw; pulverize again afterwards; and abandoned mine sand is the grains of sand through selecting in advance, will obtain mixing raw material after mixing with the useless mulch film after pulverizing with through the grains of sand of selecting in advance.
Step 102: used oil and antiaging agent are added in the described mixing raw material, obtain the raw material first product;
Used oil and the ageing-resistant mixing raw material that joins obtain afterwards, and the raw material first product is used for follow-up synthesis step, preferably, need abundant mixing after used oil and antiaging agent joined mixing raw material, the process of mixing can realize by stirring machine, also can be by manually realizing.
Step 103: described raw material first product is synthetic under 165-250 ℃ of temperature, obtain stand-by raw material;
Synthetic step is the process of 4 kinds of raw materials being closed with fixed attention by predetermined temperature, after synthetic, will form the stand-by raw material of solid-state shape; Preferably, He Cheng temperature is preferably 200 ℃.
Step 104: with the described stand-by raw material mould of packing into, and moulding, obtain finished product.
In the process of concrete operations, the selection of mould is decided according to the shape of the required inspection chamber of people, and different moulds can form difform inspection chamber, and preferred, in the process of moulding, molding time is elected 8-15 minute as; With 10 minutes the bests, the mold pressing of moulding was the 25-35 MPa, was the best with 30 MPas.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an inspection chamber is characterized in that, its preparation raw material comprises according to the parts by weight meter, useless mulch film 5-7 part, abandoned mine sand 3-4 part, used oil 0.1-0.3 part and antiaging agent 0.1-0.3 part.
2. inspection chamber according to claim 1 is characterized in that, its preparation raw material comprises, according to the parts by weight meter, comprising: 6 parts of useless mulch films, 3.7 parts in abandoned mine sand, 0.2 part of used oil, 0.1 part of antiaging agent.
3. inspection chamber according to claim 2 is characterized in that, described antiaging agent is coumarone.
4. inspection chamber according to claim 3 is characterized in that, the particulate state sand of described abandoned mine sand for filtering through the 65-90 eye mesh screen.
5. inspection chamber according to claim 4 is characterized in that, described used oil is bavin machine oil or steam turbine oil.
6. the production method according to the described inspection chamber of claim 1-5 is characterized in that, comprising:
To give up mulch film and abandoned mine sand mixes, and obtains mixing raw material;
Used oil and antiaging agent are added in the described mixing raw material, obtain the raw material first product;
Described raw material first product is synthetic under 180-220 ℃ of temperature, obtain stand-by raw material;
With the described stand-by raw material mould of packing into, and moulding, finished product obtained.
7. the production method of inspection chamber according to claim 6 is characterized in that, in described will give up mulch film and the mixing of abandoned mine sand, obtains also comprising before the step of mixing raw material:
To described useless mulch film removal of impurities, described removal of impurities comprises dust and the straw of removing in the described useless mulch film;
Useless mulch film after the described removal of impurities is pulverized.
8. the production method of inspection chamber according to claim 7 is characterized in that, described that described raw material first product is synthetic under 165-250 ℃ of temperature, obtains in the step of stand-by raw material;
Described synthesis temperature is 200 ℃.
9. the production method of inspection chamber according to claim 8 is characterized in that, with the described stand-by raw material mould of packing into, and moulding obtains in the step of finished product described:
The pressure of described moulding is the 25-35 MPa.
10. the production method of inspection chamber according to claim 9 is characterized in that, the time of described moulding is: 8-15 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128987.0A CN103183965B (en) | 2013-04-12 | 2013-04-12 | A kind of inspection chamber and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128987.0A CN103183965B (en) | 2013-04-12 | 2013-04-12 | A kind of inspection chamber and production method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103183965A true CN103183965A (en) | 2013-07-03 |
| CN103183965B CN103183965B (en) | 2015-12-02 |
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| CN201310128987.0A Active CN103183965B (en) | 2013-04-12 | 2013-04-12 | A kind of inspection chamber and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243766A (en) * | 2016-08-25 | 2016-12-21 | 吕致平 | A kind of novel glass fiber combined manhole cover and preparation method thereof |
| CN106905626A (en) * | 2017-03-17 | 2017-06-30 | 四会市恒星智能科技有限公司 | A kind of corrosion-resistant plastic inspection shaft and preparation method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2151183A1 (en) * | 1995-06-07 | 1996-12-08 | Slawomir Jonasz | Composite compression molded article, composition therefor and process for manufacture thereof, and use |
| WO1997013928A1 (en) * | 1995-10-12 | 1997-04-17 | Artform International Limited | Underground chamber |
| CN1334288A (en) * | 2000-07-14 | 2002-02-06 | 云南西南仪器厂 | Regenerated composite material and its preparing process |
| CN1448434A (en) * | 2002-04-03 | 2003-10-15 | 韩晓伟 | Composite material made from paper-making sludge and waste plastic, its prep. and grating material therefrom |
| CN1520984A (en) * | 2003-02-09 | 2004-08-18 | 罗国徽 | Composite material well cover and technique thereof |
| CA2576864A1 (en) * | 2002-06-14 | 2005-03-03 | Ace Tire & Parts, Inc. | Recyclable composite materials and articles of manufacture |
| CN102322097A (en) * | 2011-07-25 | 2012-01-18 | 无锡市新大地合成材料有限公司 | SMC (sheet moulding compound) mould pressing resin finished well and manufacturing method thereof |
| CN102432938A (en) * | 2011-08-30 | 2012-05-02 | 民勤县威瑞环保有限责任公司 | Regenerated composite material applicable to manufacturing well rings and well covers |
| WO2012102719A1 (en) * | 2011-01-27 | 2012-08-02 | East Jordan Iron Works, Inc. | Composite compression molded article and method of manufacture |
| CN102816367A (en) * | 2012-08-27 | 2012-12-12 | 安徽广德金鹏科技发展有限公司 | Preparation method of HDPE injection molding inspection well |
| CN102816370A (en) * | 2012-06-12 | 2012-12-12 | 杭州雄魁塑胶科技有限公司 | Ultra-large plastic manhole composite powder formula |
| CN102828530A (en) * | 2011-06-16 | 2012-12-19 | 巢善鸣 | Resin inspection well and manufacturing method thereof |
| CN102888032A (en) * | 2011-07-21 | 2013-01-23 | 深圳市格林美高新技术股份有限公司 | Manufacturing method of recycled plastic composite manhole cover |
-
2013
- 2013-04-12 CN CN201310128987.0A patent/CN103183965B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2151183A1 (en) * | 1995-06-07 | 1996-12-08 | Slawomir Jonasz | Composite compression molded article, composition therefor and process for manufacture thereof, and use |
| WO1997013928A1 (en) * | 1995-10-12 | 1997-04-17 | Artform International Limited | Underground chamber |
| CN1334288A (en) * | 2000-07-14 | 2002-02-06 | 云南西南仪器厂 | Regenerated composite material and its preparing process |
| CN1448434A (en) * | 2002-04-03 | 2003-10-15 | 韩晓伟 | Composite material made from paper-making sludge and waste plastic, its prep. and grating material therefrom |
| CA2576864A1 (en) * | 2002-06-14 | 2005-03-03 | Ace Tire & Parts, Inc. | Recyclable composite materials and articles of manufacture |
| CN1520984A (en) * | 2003-02-09 | 2004-08-18 | 罗国徽 | Composite material well cover and technique thereof |
| WO2012102719A1 (en) * | 2011-01-27 | 2012-08-02 | East Jordan Iron Works, Inc. | Composite compression molded article and method of manufacture |
| CN102828530A (en) * | 2011-06-16 | 2012-12-19 | 巢善鸣 | Resin inspection well and manufacturing method thereof |
| CN102888032A (en) * | 2011-07-21 | 2013-01-23 | 深圳市格林美高新技术股份有限公司 | Manufacturing method of recycled plastic composite manhole cover |
| CN102322097A (en) * | 2011-07-25 | 2012-01-18 | 无锡市新大地合成材料有限公司 | SMC (sheet moulding compound) mould pressing resin finished well and manufacturing method thereof |
| CN102432938A (en) * | 2011-08-30 | 2012-05-02 | 民勤县威瑞环保有限责任公司 | Regenerated composite material applicable to manufacturing well rings and well covers |
| CN102816370A (en) * | 2012-06-12 | 2012-12-12 | 杭州雄魁塑胶科技有限公司 | Ultra-large plastic manhole composite powder formula |
| CN102816367A (en) * | 2012-08-27 | 2012-12-12 | 安徽广德金鹏科技发展有限公司 | Preparation method of HDPE injection molding inspection well |
Non-Patent Citations (1)
| Title |
|---|
| 赵劲松: ""塑料检查井简介及改进措施"", 《聚氯乙烯》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243766A (en) * | 2016-08-25 | 2016-12-21 | 吕致平 | A kind of novel glass fiber combined manhole cover and preparation method thereof |
| CN106905626A (en) * | 2017-03-17 | 2017-06-30 | 四会市恒星智能科技有限公司 | A kind of corrosion-resistant plastic inspection shaft and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103183965B (en) | 2015-12-02 |
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