CN108407148A - A kind of waste plastics pipe breaker - Google Patents
A kind of waste plastics pipe breaker Download PDFInfo
- Publication number
- CN108407148A CN108407148A CN201810093314.9A CN201810093314A CN108407148A CN 108407148 A CN108407148 A CN 108407148A CN 201810093314 A CN201810093314 A CN 201810093314A CN 108407148 A CN108407148 A CN 108407148A
- Authority
- CN
- China
- Prior art keywords
- shell
- crushing
- crushing shell
- broken
- rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/10—Shape or construction of jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of waste plastics pipe breakers, including shell, outer casing bottom is provided with support leg, the shell internal upper part is relatively set with crushing shell I and crushing shell II, wherein crushing shell I is vertically, crushing shell II tilts down so that crushing shell I and crushing shell II constitute broken space wide at the top and narrow at the bottom, crushing shell I and crushing shell II and be evenly arranged with crushing teeth on the two opposite side surface；II upper end eccentric rotary of crushing shell is connected in rotating wheel, and rotating wheel is driven by driving device and rotated；II lower end of crushing shell is articulated with connecting rod one end, and the connecting rod other end is articulated with outer casing inner wall；Crushing shell I and crushing shell II, which constitute to be crushed immediately below space, is provided with broken rolling I and broken rolling II, and outer circumference surface is evenly arranged with crushing teeth, and broken rolling I and broken rolling II rotate under the drive of driving device；Cover top portion offers feed inlet, and outer casing bottom offers discharge port.The breaker of the present invention can be crushed plastic tube twice.
Description
Technical field
The present invention relates to plastic pipe manufacture machinery field more particularly to a kind of waste plastics pipe breakers.
Background technology
It is raw material that plastic tube, which is usually with synthetic resin, that is, polyester, stabilizer, lubricant, plasticizer is added etc.,
It is formed through extrusion process in tuber in the method for " modeling ".Since it has light, corrosion-resistant, good appearance, without bad gas
Taste, handling ease, it is easy for construction the features such as, be more and more widely used in construction projects.House is mainly used as to build
Tap water supply system piping, draining, exhaust and blowdown sanitary pipe, subsoil drain system, rain pipe and the electric wire peace built
Fill matched penetration pipe etc..In tube production process, it will produce size or shape be unsatisfactory for desired waste plastics pipe, if
These waste plastics pipes are abandoned, cost can be caused to waste and pollute environment, it will usually be melted after being crushed the recycling of these waste plastics pipes
Melt and is molded again.Currently used plastic pipe breaking method substantially has pressure punching, sawing, impact etc..There is structures mostly
It is complicated, efficiency is low, big energy-consuming and the deficiencies of easily cause personnel's injury.
Invention content
It is an object of the invention to：A kind of waste plastics pipe breaker is proposed, to simplify the knot of plastic tube breaker
Structure.
To solve the above problems, present invention employs following technical solutions：
A kind of waste plastics pipe breaker, including shell, outer casing bottom are provided with support leg, and the shell internal upper part is opposite
It is provided with crushing shell I and crushing shell II, wherein vertically, crushing shell II tilts down crushing shell I so that I He of crushing shell
Crushing shell II constitutes broken space wide at the top and narrow at the bottom, and width maximum is more than plastics pipe diameter, and the most narrow place of width is less than plastic tube
Diameter, crushing shell I and crushing shell II are evenly arranged with crushing teeth on the two opposite side surface；II upper end eccentric rotary of crushing shell
It is connected in rotating wheel, rotating wheel is driven by driving device and rotated；II lower end of crushing shell is articulated with connecting rod one end, and connecting rod is another
End is articulated with outer casing inner wall；Crushing shell I and crushing shell II, which constitute to be crushed immediately below space, is provided with broken rolling I and broken rolling II,
Both for cylinder type and its axis it is parallel to each other and in the horizontal direction, outer circumference surface is evenly arranged with crushing teeth, the two
The crushing teeth on surface can be intermeshed, and broken rolling I and broken rolling II rotate under the drive of driving device, the two rotation direction phase
Instead；Cover top portion offers feed inlet, and feed inlet is located at crushing shell I and crushing shell II is constituted and is crushed right over space；Shell bottom
Portion offers discharge port.The reciprocating motion of crushing shell II can be passed through so that plastic tube between crushing shell I and crushing shell II repeatedly
It is sheared, the crushing teeth on surface not only has the function of shredded plastic pipe, also plastic tube can be prevented to be sliding out broken space.Through
It crosses crushing shell I and the preliminary of crushing shell II is crushed, plastic tube becomes strip or bulk.Then using broken rolling I and broken rolling
II intermesh position when carry out second broken, be crushed more completely.
Preferably, the crushing teeth is removably connected in crushing shell I, crushing shell II, broken rolling I and broken rolling II, with
Just it is replaced or is polished after crushing teeth is worn finishing.
Preferably, I peripheral surface of the broken rolling offers multiple grooves, is provided in groove and is upwardly extended from its bottom
The connecting seat being fixedly connected with broken rolling I, is connected with the crushing teeth with triangular tip by screw bolt and nut thereon, is crushed
Tooth tip portion is outwardly and outside the stretching groove；Broken rolling II is identical as I structure of broken rolling.Connecting seat is located in groove, to improve
The stability that connecting seat is connect with broken rolling I and broken rolling II.
Preferably, dove-tail form protrusion is provided on crushing shell I and crushing shell II with crushing teeth junction, have on crushing teeth with
The groove of dove-tail form male cooperation.
Preferably, it is motor or belt pulley to drive the driving device of II rotation of rotating wheel, broken rolling I and broken rolling.
Preferably, hydraulic telescopic rod is also associated between the crushing shell I and shell inside side walls, hydraulic telescopic rod is consolidated
Fixed end is connect with shell inside side walls, and telescopic end is connect with crushing shell I, and driving crushing shell I moves in the horizontal direction.It can basis
The size in space is crushed between the diameter adjustment crushing shell I and crushing shell II of plastic tube.
The beneficial effects of the present invention are：The preliminary broken of plastic tube can be carried out by crushing shell I and crushing shell II, for
It is broken it is incomplete using broken rolling I and broken rolling II when be further crushed, crushing efficiency height.
Description of the drawings
Fig. 1 is a kind of waste plastics pipe breaker structure chart of the present invention.
Fig. 2 is the structural schematic diagram that rolling I and broken rolling II are crushed in Fig. 1.
Fig. 3 is the side view that rolling I and broken rolling II are crushed in Fig. 1.
Fig. 4 is the sectional view of crushing shell I and crushing shell II.
In figure：1- shells, 2- crushing shells I, 3- crushing shells II, 4- crushing teeths, 5- rotating wheels, 6- connecting rods, the broken rollings I of 7-,
701- grooves, 702- connecting seats, 703- bolts, 704- nuts, broken rolling II, the 9- feed inlets of 8-, 10- discharge ports, 11- hydraulic pressure are stretched
Contracting bar.
Specific implementation mode
Below in conjunction with attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.
A kind of waste plastics pipe breaker, including shell 1,1 bottom of shell are provided with support leg, 1 internal upper part of the shell
It is relatively set with crushing shell I 2 and crushing shell II 3, wherein vertically, crushing shell II 3 tilts down crushing shell I 2 so that broken
Slashings I 2 and crushing shell II 3 constitute broken space wide at the top and narrow at the bottom, and width maximum is more than plastics pipe diameter, and the most narrow place of width is small
In plastics pipe diameter, crushing shell I 2 and crushing shell II 3 are evenly arranged with crushing teeth 4, crushing shell I 2 on the two opposite side surface
It is a plurality of horizontally extending structure with cusped edge with the crushing teeth 4 on crushing shell II 3；II 3 upper end of crushing shell is eccentric
It is rotationally connected in rotating wheel 5, rotating wheel 5 is driven by driving device and rotated counterclockwise；II 3 lower end of crushing shell is articulated with connecting rod
6 one end, 6 other end of connecting rod are articulated with 1 inner wall of shell；Crushing shell I 2 and crushing shell II 3 are constituted to be crushed immediately below space and be provided with
Broken rolling I 7 and broken rolling II 8, both for cylinder type and its axis it is parallel to each other and in the horizontal direction, outer circumference surface is equal
Even to be provided with crushing teeth 4, the crushing teeth 4 on the two surface can be intermeshed, and it is clockwise under the drive of driving device to be crushed rolling I 7
Rotation, broken rolling II 8 rotate counterclockwise under the drive of driving device, and the two should be with 1 inside of shell far from site of engagement side
Side wall does not carry out second to prevent plastic tube fragment and broken just leaks down apart from close；1 top of shell offers feed inlet 9, feeds
Mouthfuls 9 are located at right over the broken space that crushing shell I 2 and crushing shell II 3 are constituted, and upper and lower opening and hollow can be arranged at feed inlet 9
Material guide structure, material guide structure bottom opening is located at right over the broken space that crushing shell I 2 and crushing shell II 3 are constituted, in Qi Ding
Portion's opening can hingedly open and close open-topped lid, the dust effusion generated to prevent shredded plastic pipe；1 bottom of shell
Offer discharge port 10.The crushing teeth 4 is removably connected to crushing shell I 2, crushing shell II 3, broken rolling I 7 and broken rolling II 8
On.I 7 peripheral surfaces of the broken rolling offer multiple grooves 701, be provided in groove 701 upwardly extended from its bottom with it is broken
The connecting seat 702 that broken rolling I 7 is fixedly connected is connected with by bolt 703 and nut 704 broken with triangular tip thereon
Tooth 4,4 tip of crushing teeth outwardly and are stretched out outside the groove 701；Broken rolling II 8 is identical as I 7 structures of broken rolling.I 2 He of crushing shell
Dove-tail form protrusion is provided on crushing shell II 3 with 4 junction of crushing teeth, there is the groove with dove-tail form male cooperation on crushing teeth 4.
It is motor or belt pulley to drive the driving device of II 8 rotation of rotating wheel 5, broken rolling I 7 and broken rolling.The crushing shell I 2 can be with
1 inside side walls of shell are fixedly connected；Or it can also be connected with hydraulic telescopic rod between 1 inside side walls of the crushing shell I 2 and shell
11, the fixing end of hydraulic telescopic rod 11 is connect with 1 inside side walls of shell, and telescopic end is connect with crushing shell I 2, drives crushing shell I
2 move in the horizontal direction.
In use, starting the driving device of II 8 rotation of driving rotating wheel 5, broken rolling I 7 and broken rolling, rotating wheel 5 turns
Dynamic that II 3 upper end of crushing shell is driven to carry out eccentric rotary with rotating wheel 5, the hinged connecting rod 6 in II 3 lower end of crushing shell, which generates, to be servo-actuated, and is made
It obtains crushing shell II 3 to move back and forth along horizontal and vertical direction so that its broken bulk between crushing shell I 2 constantly becomes
Change, to be crushed to the plastic tube put into from feed inlet 9, because of the broken space bottom between crushing shell II 3 and crushing shell I 2
Most narrow place of portion is less than plastics pipe diameter, and plastic tube must just leak down after crushing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of waste plastics pipe breaker, it is characterised in that：Including shell (1), shell (1) bottom is provided with support leg, institute
It states shell (1) internal upper part and is relatively set with crushing shell I (2) and crushing shell II (3), wherein crushing shell I (2) vertically, is broken
Slashings II (3) tilts down so that crushing shell I (2) and crushing shell II (3) constitute broken space wide at the top and narrow at the bottom, and width is maximum
Place is more than plastics pipe diameter, and the most narrow place of width is less than plastics pipe diameter, crushing shell I (2) and crushing shell II (3) in the two opposite one
Side surface is evenly arranged with crushing teeth (4)；Crushing shell II (3) upper end eccentric rotary is connected in rotating wheel (5), rotating wheel (5)
It is driven by driving device and is rotated；Crushing shell II (3) lower end is articulated with connecting rod (6) one end, and connecting rod (6) other end is articulated with shell
(1) inner wall；Crushing shell I (2) and crushing shell II (3), which constitute to be crushed immediately below space, is provided with I (7) of broken rolling and broken rolling II
(8), both for cylinder type and its axis it is parallel to each other and in the horizontal direction, outer circumference surface is evenly arranged with crushing teeth
(4), the crushing teeth (4) on the two surface can be intermeshed, and be crushed I (7) of rolling and II (8) of broken rolling and turned under the drive of driving device
Dynamic, the two rotation direction is opposite；Feed inlet (9) is offered at the top of shell (1), feed inlet (9) is located at crushing shell I (2) and is crushed
Plate II (3), which is constituted, to be crushed right over space；Shell (1) bottom offers discharge port (10).
2. a kind of waste plastics pipe breaker as described in claim 1, it is characterised in that：The crushing teeth (4) detachably connects
It is connected to crushing shell I (2), crushing shell II (3), I (7) of broken rolling and is crushed on II (8) of rolling.
3. a kind of waste plastics pipe breaker as claimed in claim 2, it is characterised in that：I (7) peripheral surface of the broken rolling is opened
Equipped with multiple grooves (701), the company being fixedly connected with I (7) of broken rolling upwardly extended from its bottom is provided in groove (701)
Joint chair (702) is connected with the crushing teeth (4) with triangular tip, crushing teeth by bolt (703) and nut (704) thereon
(4) groove (701) outwardly and is stretched out outside in tip；II (8) of broken rolling are identical as I (7) structure of broken rolling.
4. a kind of waste plastics pipe breaker as claimed in claim 2, it is characterised in that：Crushing shell I (2) and crushing shell II
(3) dove-tail form protrusion is provided on crushing teeth (4) junction, there is the groove with dove-tail form male cooperation on crushing teeth (4).
5. a kind of waste plastics pipe breaker as described in claim 1, it is characterised in that：Drive rotating wheel (5), broken rolling I
(7) and the driving device of II (8) of broken rolling rotation is motor or belt pulley.
6. a kind of waste plastics pipe breaker as described in claim 1, it is characterised in that：The crushing shell I (2) and shell
(1) hydraulic telescopic rod (11), fixing end and shell (1) inside side walls of hydraulic telescopic rod (11) are also associated between inside side walls
Connection, telescopic end are connect with crushing shell I (2), and driving crushing shell I (2) moves in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093314.9A CN108407148A (en) | 2018-01-31 | 2018-01-31 | A kind of waste plastics pipe breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093314.9A CN108407148A (en) | 2018-01-31 | 2018-01-31 | A kind of waste plastics pipe breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108407148A true CN108407148A (en) | 2018-08-17 |
Family
ID=63127321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810093314.9A Pending CN108407148A (en) | 2018-01-31 | 2018-01-31 | A kind of waste plastics pipe breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108407148A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732809A (en) * | 2018-12-13 | 2019-05-10 | 重庆平祥塑料有限公司 | A kind of waste plastic crusher |
| CN110341088A (en) * | 2019-08-05 | 2019-10-18 | 谢富玉 | A kind of polystyrene foam plastics packing box recycling and reusing processing system |
| CN110394926A (en) * | 2019-07-31 | 2019-11-01 | 苏州仁尔必思电子科技有限公司 | A kind of electronic waste recyclable device |
| CN110420680A (en) * | 2019-07-02 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster broken screening integration apparatus of high efficiency composition |
| CN110871211A (en) * | 2019-11-26 | 2020-03-10 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN111318322A (en) * | 2020-03-09 | 2020-06-23 | 黄开午 | Rotary swing jaw crusher |
| CN112895212A (en) * | 2021-01-13 | 2021-06-04 | 惠永兰 | Processing method of thermoplastic polyurethane elastomer |
| CN113334638A (en) * | 2021-05-08 | 2021-09-03 | 重庆和泰润佳股份有限公司 | Plastic panel breaker is used in film production |
| CN113370388A (en) * | 2021-06-17 | 2021-09-10 | 廉微微 | Concrete preparation system and method |
| CN115445746A (en) * | 2022-11-10 | 2022-12-09 | 南京闽乐新型建材有限公司 | Crushing equipment is used in porous brick production |
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| CN205761336U (en) * | 2016-05-14 | 2016-12-07 | 鹰潭瑞鑫铜业有限公司 | A kind of Copper Ores efficiency crushing device |
| CN107008524A (en) * | 2017-06-13 | 2017-08-04 | 溧阳市英创机电技术有限公司 | A kind of soil jaw crusher |
| CN107350004A (en) * | 2017-08-15 | 2017-11-17 | 广西综改咨询服务有限公司 | Efficient pulverizing device is used in a kind of building waste recovery |
| CN206838250U (en) * | 2017-07-03 | 2018-01-05 | 福建泰达高新材料有限公司 | A kind of high efficiency reducing mechanism for HIGH-PURITY SILICON production |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205761336U (en) * | 2016-05-14 | 2016-12-07 | 鹰潭瑞鑫铜业有限公司 | A kind of Copper Ores efficiency crushing device |
| CN107008524A (en) * | 2017-06-13 | 2017-08-04 | 溧阳市英创机电技术有限公司 | A kind of soil jaw crusher |
| CN206838250U (en) * | 2017-07-03 | 2018-01-05 | 福建泰达高新材料有限公司 | A kind of high efficiency reducing mechanism for HIGH-PURITY SILICON production |
| CN107350004A (en) * | 2017-08-15 | 2017-11-17 | 广西综改咨询服务有限公司 | Efficient pulverizing device is used in a kind of building waste recovery |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732809A (en) * | 2018-12-13 | 2019-05-10 | 重庆平祥塑料有限公司 | A kind of waste plastic crusher |
| CN109732809B (en) * | 2018-12-13 | 2020-10-16 | 重庆平祥塑料有限公司 | Waste plastic crusher |
| CN110420680A (en) * | 2019-07-02 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster broken screening integration apparatus of high efficiency composition |
| CN110394926A (en) * | 2019-07-31 | 2019-11-01 | 苏州仁尔必思电子科技有限公司 | A kind of electronic waste recyclable device |
| CN110341088A (en) * | 2019-08-05 | 2019-10-18 | 谢富玉 | A kind of polystyrene foam plastics packing box recycling and reusing processing system |
| CN110341088B (en) * | 2019-08-05 | 2021-06-01 | 丰城市小标杆新材料有限公司 | Polystyrene foam packing carton retrieves processing system of recycling |
| CN110871211A (en) * | 2019-11-26 | 2020-03-10 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN110871211B (en) * | 2019-11-26 | 2020-12-11 | 哈尔滨学院 | Engineering construction waste treatment device |
| CN111318322A (en) * | 2020-03-09 | 2020-06-23 | 黄开午 | Rotary swing jaw crusher |
| CN112895212A (en) * | 2021-01-13 | 2021-06-04 | 惠永兰 | Processing method of thermoplastic polyurethane elastomer |
| CN113334638A (en) * | 2021-05-08 | 2021-09-03 | 重庆和泰润佳股份有限公司 | Plastic panel breaker is used in film production |
| CN113370388A (en) * | 2021-06-17 | 2021-09-10 | 廉微微 | Concrete preparation system and method |
| CN115445746A (en) * | 2022-11-10 | 2022-12-09 | 南京闽乐新型建材有限公司 | Crushing equipment is used in porous brick production |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |