CN109334018B - Preparation method of injection molding inspection well convenient to enter - Google Patents
Preparation method of injection molding inspection well convenient to enter Download PDFInfo
- Publication number
- CN109334018B CN109334018B CN201811188875.3A CN201811188875A CN109334018B CN 109334018 B CN109334018 B CN 109334018B CN 201811188875 A CN201811188875 A CN 201811188875A CN 109334018 B CN109334018 B CN 109334018B
- Authority
- CN
- China
- Prior art keywords
- inspection well
- injection molding
- main body
- lifting platform
- spring
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/024—Manhole shafts or other inspection chambers; Snow-filling openings; accessories made of plastic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a preparation method of an injection molding inspection well convenient to enter, which relates to the technical field of plastic products and comprises the following steps of injection molding, mixing raw materials, pouring the mixture into an injection molding machine, using a mold to injection mold into an inspection well main body, and cooling to room temperature for later use; carving threads, namely carving a thread groove on the inner wall of the inspection well main body, wherein the thread pitch of the thread groove is 5-10 cm; installing a lifting device, welding a spring with the bottom of a lifting platform, then placing a spring base into the bottom of the injection molding inspection well for fixing, and installing the lifting platform into a threaded groove; adding a damping layer; and (4) plating, namely spraying waterproof paint on the outer side of the damping foam plate, and putting the damping foam plate into a warehouse for storage after curing. According to the preparation method of the injection molding inspection well, operators can conveniently enter the inspection well for construction, the problem that the injection molding inspection well is easily damaged due to external vibration and broken stone collision can be avoided, and the waterproofness of the injection molding inspection well can be improved.
Description
Technical Field
The invention relates to the technical field of plastic products, in particular to a preparation method of an injection molding inspection well convenient to enter.
Background
The inspection well is a well-shaped structure formed by integrally injection molding plastics or bricked for facilitating periodic inspection, cleaning and dredging or operation inspection of going down a well, wherein the inspection well is generally arranged at the intersection, the turning part, the pipe diameter or gradient changing part, the drop part and the like of drainage pipelines, the plastic integral injection molding inspection well is characterized in that a main well seat part forming the inspection well is formed by one-time injection molding, a 360-degree annular bearing platform is adopted as a well socket, a well body and a well seat bottom are provided with net-shaped reinforcing ribs, each socket adopts an annular reinforcing rib design, an initial well seat, a straight-through well seat, a 45-degree elbow well seat, a three-way well seat, a four-way well seat and the like are arranged according to the number and angles of connecting pipes, and in order to adapt to various drainage conditions, the plastic inspection well is simultaneously sleeved with a reducing joint, The confluence joint, the shaft multi-joint and other plastic integrated injection molding accessories matched with the confluence joint and the shaft multi-joint are used for ensuring the smoothness and the sealing property of the whole drainage system. However, the existing injection molding inspection well is inconvenient to enter the well, and is easily damaged by external vibration and collision of broken stones.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of an injection molding inspection well convenient to enter, and solves the problems that the existing injection molding inspection well is inconvenient to enter the interior of the well and is easily damaged by external vibration and collision of broken stones.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of an injection molding inspection well convenient to enter comprises the following steps,
(1) performing injection molding, namely mixing the raw materials, pouring the mixture into an injection molding machine, performing injection molding by using a mold to form an inspection well main body, and cooling the inspection well main body to room temperature for later use;
(2) carving threads, namely carving a thread groove on the inner wall of the inspection well main body, wherein the thread pitch of the thread groove is 5-10 cm;
(3) installing a lifting device, welding a spring with the bottom of a lifting platform, then placing a spring base into the bottom of the injection molding inspection well for fixing, and installing the lifting platform into a threaded groove;
(4) adding a damping layer, uniformly spraying an adhesive on the outer side of the injection molding inspection well main body, coating a damping foam board on the outer side of the injection molding inspection well, rolling the surface of the damping foam board until the damping foam board is flat, and then placing the damping foam board at a vent for air drying;
(5) and (4) plating, namely spraying waterproof paint on the outer side of the damping foam plate, and putting the damping foam plate into a warehouse for storage after curing.
Preferably, the injection molding inspection well is prepared from the following components, by weight, 80-200 parts of POM, 4-20 parts of toughening agent, 10-40 parts of lime powder, 4-20 parts of reinforcing agent, 10-40 parts of adhesive, 4-20 parts of damping foam board, 2-10 parts of reinforcing agent, 2-10 parts of stabilizer and 10-40 parts of color master batch.
Preferably, the injection molding inspection well is prepared from the following components, by weight, 80-120 parts of a POM component, 6-10 parts of a toughening agent component, 10-20 parts of a lime powder component, 6-10 parts of a reinforcing agent component, 10-20 parts of an adhesive component, 6-10 parts of a damping foam plate component, 2-6 parts of a reinforcing agent component, 2-6 parts of a stabilizer component and 10-20 parts of a color master batch component.
Preferably, the injection molding inspection well is prepared from the following components, by weight, 100 parts of POM, 8 parts of toughening agent, 15 parts of lime powder, 8 parts of reinforcing agent, 15 parts of adhesive, 8 parts of damping foam board, 4 parts of reinforcing agent, 4 parts of stabilizer and 15 parts of color master batch.
Preferably, the POM is preheated prior to mixing, the preheating temperature being 75-90 ℃.
Preferably, the inspection shaft of moulding plastics includes the inspection shaft main part, the inner wall of inspection shaft main part is provided with the thread groove, the inner wall threaded connection of thread groove has the elevating platform, the bottom welding of elevating platform has the spring, the one end fixedly connected with slider of elevating platform is kept away from to the spring, the pot head that the spring was kept away from in the outside of slider is equipped with spring base, spring base and slider sliding connection, vertical spout has been seted up to inner wall one side of inspection shaft main part, the top of elevating platform is rotated and is connected with the operation panel, operation panel one side fixedly connected with slider, slider and vertical spout sliding connection.
Preferably, both sides of the operating platform are fixedly connected with soft iron sheets, and the soft iron sheets are slidably connected with the thread grooves.
Preferably, the outer ring of the bottom of the lifting platform is fixedly connected with a cleaning wheel.
Preferably, the outer side of the inspection well main body is fixedly connected with a damping foam plate through an adhesive.
Preferably, the outer side of the shock absorption foam plate is sprayed with a waterproof coating.
(III) advantageous effects
The invention provides a preparation method of an injection molding inspection well convenient to enter. The method has the following beneficial effects:
(1) the injection molding inspection well convenient to enter is characterized in that a thread groove is formed in the inner wall of an inspection well main body, a lifting platform is in threaded connection with the inner wall of the thread groove, a spring is welded at the bottom of the lifting platform, a sliding block is fixedly connected to one end, far away from the lifting platform, of the spring, a spring base is sleeved on one end, far away from the spring, of the outer side of the sliding block and is in sliding connection with the sliding block, a longitudinal sliding groove is formed in one side of the inner wall of the inspection well main body, an operation platform is rotatably connected to the top of the lifting platform, the sliding block is fixedly connected to one side of the operation platform and is in sliding connection with the sliding groove, the lifting platform stands on the top of the lifting platform when the lifting platform needs to fall into the inspection well, the operation platform is driven to fall along the sliding groove due to the gravity of the top, the operation platform, make things convenient for operating personnel to enter into inside the inspection shaft and carry out the construction.
(2) This preparation method of inspection shaft of moulding plastics that conveniently gets into, through the even spraying gluing agent in the outside of inspection shaft main part of moulding plastics, with the cladding of damping foam board in the outside of inspection shaft of moulding plastics, the surface that rolls damping foam board is until leveling, then put and air-dry in vent department, can avoid the inspection shaft of moulding plastics to receive the collision of outside vibrations and rubble easily and receive the problem of damage, at the outside spraying waterproof coating of damping foam board, can increase the waterproof nature of the inspection shaft of moulding plastics.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic view of the spring base structure of the present invention;
FIG. 3 is a schematic view of the shock absorbing layer structure of the present invention.
In the figure: 1-inspection well main body, 2-thread groove, 3-lifting platform, 4-spring, 5-sliding block, 6-spring base, 7-longitudinal sliding groove, 8-operation platform, 9-sliding block, 10-soft iron sheet, 11-cleaning wheel, 12-adhesive, 13-shock absorption foam plate and 14-waterproof coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a preparation method of an injection molding inspection well convenient to enter comprises the following steps,
(1) performing injection molding, namely mixing the raw materials, pouring the mixture into an injection molding machine, performing injection molding by using a mold to form an inspection well main body, and cooling the inspection well main body to room temperature for later use;
(2) carving threads, namely carving a thread groove on the inner wall of the inspection well main body, wherein the thread pitch of the thread groove is 5-10 cm;
(3) installing a lifting device, welding a spring with the bottom of a lifting platform, then placing a spring base into the bottom of the injection molding inspection well for fixing, and installing the lifting platform into a threaded groove;
(4) adding a damping layer, uniformly spraying an adhesive on the outer side of the injection molding inspection well main body, coating a damping foam plate on the outer side of the injection molding inspection well, rolling the surface of the damping foam plate until the damping foam plate is flat, and then placing the damping foam plate at a vent for air drying, wherein the damping foam plate can avoid the problems that the injection molding inspection well is easily damaged by external vibration and collision of broken stones;
(5) and the coating is sprayed on the outer side of the damping foam plate to increase the waterproofness of the injection molding inspection well, and the coating is put into a warehouse for storage after being cured.
The injection molding inspection well is prepared from the following components, by weight, 80-200 parts of POM, 4-20 parts of toughening agent, 10-40 parts of lime powder, 4-20 parts of reinforcing agent, 10-40 parts of adhesive, 4-20 parts of damping foam board, 2-10 parts of reinforcing agent, 2-10 parts of stabilizer and 10-40 parts of color master batch.
The injection molding inspection well is prepared from the following components, by weight, 80-120 parts of a POM component, 6-10 parts of a toughening agent component, 10-20 parts of a lime powder component, 6-10 parts of a reinforcing agent component, 10-20 parts of an adhesive component, 6-10 parts of a damping foam plate component, 2-6 parts of a reinforcing agent component, 2-6 parts of a stabilizer component and 10-20 parts of a color master batch component.
The injection molding inspection well is prepared from the following components, by weight, 100 parts of POM, 8 parts of toughening agent, 15 parts of lime powder, 8 parts of reinforcing agent, 15 parts of adhesive, 8 parts of damping foam board, 4 parts of reinforcing agent, 4 parts of stabilizer and 15 parts of color master batch.
The POM should be preheated before mixing, with the preheating temperature being 75-90 ℃.
The injection molding inspection well comprises an inspection well main body 1, a thread groove 2 is arranged on the inner wall of the inspection well main body 1, a lifting platform 3 is in threaded connection with the inner wall of the thread groove 2, a spring 4 is welded at the bottom of the lifting platform 3, a sliding block 5 is fixedly connected to one end, far away from the lifting platform 3, of the spring 4, a spring base 6 is sleeved at one end, far away from the spring 4, of the outer side of the sliding block 5, the spring base 6 is in sliding connection with the sliding block 5, a longitudinal sliding groove 7 is formed in one side of the inner wall of the inspection well main body 1, an operation platform 8 is rotatably connected to the top of the lifting platform 3, a sliding block 9 is fixedly connected to one side of the operation platform 8, the sliding block 9 is in sliding connection with the longitudinal sliding groove 7, the lifting platform 3 stands at the top of the lifting platform 3 when the inspection well is required to, spring 4 is rebounded after compressing and is promoted elevating platform 3 and rise, makes things convenient for operating personnel to enter into the inside construction that carries on of inspection shaft.
The outer ring of the bottom of the lifting platform 3 is fixedly connected with a cleaning wheel 11.
The outer side of the inspection well main body 1 is fixedly connected with a shock absorption foam plate 13 through an adhesive 12.
The outer side of the shock-absorbing foam board 13 is sprayed with a waterproof coating 14.
The inspection well comprises a main body 1, a spring 4 and a lifting platform 3, wherein the main body 1 is formed by injection molding through a mold after being cooled to room temperature for standby application, a thread groove 2 is carved on the inner wall of the main body 1, the thread pitch of the thread groove 2 is 5-10cm, the spring 4 is welded with the bottom of the lifting platform 3, then a base of the spring 4 is placed at the bottom of the injection molding inspection well for fixation, the lifting platform 3 is installed in the thread groove 2, an adhesive 12 is uniformly sprayed on the outer side of the main body 1 of the injection molding inspection well, a damping foam plate 13 is wrapped on the outer side of the injection molding inspection well, the surface of the damping foam plate 13 is rolled until the damping foam plate is flat, then the damping foam plate is air-dried at a vent, a waterproof coating 14 is sprayed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A preparation method of an injection molding inspection well convenient to enter is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
(1) performing injection molding, namely mixing the raw materials, pouring the mixture into an injection molding machine, performing injection molding by using a mold to form an inspection well main body, and cooling the inspection well main body to room temperature for later use;
(2) carving threads, namely carving a thread groove on the inner wall of the inspection well main body, wherein the thread pitch of the thread groove is 5-10 cm;
(3) installing a lifting device, welding a spring with the bottom of a lifting platform, then placing a spring base into the bottom of the injection molding inspection well for fixing, and installing the lifting platform into a threaded groove;
(4) adding a damping layer, uniformly spraying an adhesive on the outer side of the injection molding inspection well main body, coating a damping foam board on the outer side of the injection molding inspection well, rolling the surface of the damping foam board until the damping foam board is flat, and then placing the damping foam board at a vent for air drying;
(5) coating, namely spraying waterproof paint on the outer side of the damping foam plate, and putting the damping foam plate into a warehouse for storage after curing;
the injection molding inspection well comprises an inspection well main body (1), the inner wall of the inspection well main body (1) is provided with a thread groove (2), the inner wall of the thread groove (2) is connected with a lifting platform (3) in a threaded manner, the bottom of the lifting platform (3) is welded with a spring (4), one end of the spring (4) far away from the lifting platform (3) is fixedly connected with a first sliding block (5), a spring base (6) is sleeved at one end of the outer side of the first sliding block (5) far away from the spring (4), the spring base (6) is connected with the first sliding block (5) in a sliding way, one side of the inner wall of the inspection well main body (1) is provided with a longitudinal sliding chute (7), the top of elevating platform (3) rotates and is connected with operation panel (8), operation panel (8) one side fixedly connected with second slider (9), second slider (9) and vertical spout (7) sliding connection.
2. The method for preparing an injection molding inspection well convenient to enter according to claim 1, wherein the method comprises the following steps: the soft iron sheet (10) is fixedly connected to the two sides of the operating platform (8), and the soft iron sheet (10) is connected with the thread groove (2) in a sliding mode.
3. The method for preparing an injection molding inspection well convenient to enter according to claim 1, wherein the method comprises the following steps: the outer ring of the bottom of the lifting platform (3) is fixedly connected with a sweeping wheel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188875.3A CN109334018B (en) | 2018-10-12 | 2018-10-12 | Preparation method of injection molding inspection well convenient to enter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811188875.3A CN109334018B (en) | 2018-10-12 | 2018-10-12 | Preparation method of injection molding inspection well convenient to enter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109334018A CN109334018A (en) | 2019-02-15 |
| CN109334018B true CN109334018B (en) | 2021-06-18 |
Family
ID=65309178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811188875.3A Active CN109334018B (en) | 2018-10-12 | 2018-10-12 | Preparation method of injection molding inspection well convenient to enter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109334018B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005290846A (en) * | 2004-03-31 | 2005-10-20 | Sekisui Chem Co Ltd | Method of renovating manhole inner peripheral surface |
| CN102202858A (en) * | 2008-10-29 | 2011-09-28 | 韦文有限公司 | Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith |
| CN205259329U (en) * | 2016-01-06 | 2016-05-25 | 东北石油大学 | Water draining inspection well |
| EP3170942A1 (en) * | 2015-10-12 | 2017-05-24 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG | Plastic shaft body |
| CN107023061A (en) * | 2017-04-20 | 2017-08-08 | 广东中科华冉智网科技有限公司 | Assembled plastics municipal drainage inspection shaft and construction method |
| CN107629312A (en) * | 2017-08-23 | 2018-01-26 | 江苏由迎管阀件有限公司 | A kind of base material and preparation method thereof and PPH ventilation shafts |
| CN107780515A (en) * | 2016-08-30 | 2018-03-09 | 安徽万安环境科技股份有限公司 | A kind of used in construction drainage plastic inspection well |
-
2018
- 2018-10-12 CN CN201811188875.3A patent/CN109334018B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005290846A (en) * | 2004-03-31 | 2005-10-20 | Sekisui Chem Co Ltd | Method of renovating manhole inner peripheral surface |
| CN102202858A (en) * | 2008-10-29 | 2011-09-28 | 韦文有限公司 | Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith |
| EP3170942A1 (en) * | 2015-10-12 | 2017-05-24 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG | Plastic shaft body |
| CN205259329U (en) * | 2016-01-06 | 2016-05-25 | 东北石油大学 | Water draining inspection well |
| CN107780515A (en) * | 2016-08-30 | 2018-03-09 | 安徽万安环境科技股份有限公司 | A kind of used in construction drainage plastic inspection well |
| CN107023061A (en) * | 2017-04-20 | 2017-08-08 | 广东中科华冉智网科技有限公司 | Assembled plastics municipal drainage inspection shaft and construction method |
| CN107629312A (en) * | 2017-08-23 | 2018-01-26 | 江苏由迎管阀件有限公司 | A kind of base material and preparation method thereof and PPH ventilation shafts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109334018A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5580621A (en) | Polyester backed acrylic composite molded structure and method of manufacturing thereof | |
| CN103526835B (en) | External thermal insulation composite concrete prefabricated components and manufacture method thereof | |
| EP0647177B1 (en) | Polyester backed acrylic composite molded structure and method of manufacturing thereof | |
| CN104385628B (en) | A kind of vacuum diversion method preparing novel carbon fiber aircushion vehicle | |
| CN205638484U (en) | Tunnel build concrete flush coater construction equipment | |
| CN104846978A (en) | Cast-in-situ house drainage system quasi-industrialized construction method | |
| CN109334018B (en) | Preparation method of injection molding inspection well convenient to enter | |
| CN100513117C (en) | Making process of horizontal polyethylene storage tank with integral support | |
| CN203962591U (en) | Multi-angle pipe fixing holder | |
| CN205361745U (en) | Steel pipe inside and outside wall plastic -coated equipment | |
| KR101366801B1 (en) | Metal panel manufacturing apparatus | |
| CN214917503U (en) | Novel ship fitting-out spare sprays paint device | |
| CN210210826U (en) | Detachable concrete test block maintenance support | |
| KR101209270B1 (en) | Lining method of pipe using Fiber Glass Reinforced Plastic | |
| CN204892218U (en) | Have lag spraying device with coating evenly distributed at the sheet surface | |
| CN107780608A (en) | A kind of integral-type device used for building exterior wall | |
| CN203603353U (en) | Outer insulation composite concrete prefabricated component | |
| CN106638939A (en) | Historic building timber member imitating method | |
| CN217052025U (en) | Glass bottle blowing equipment | |
| CN112922384A (en) | Mortar spraying repair construction method | |
| CN217222022U (en) | Plastic-coated steel pipe surface plastic-coated device | |
| CN113123585B (en) | Construction equipment and construction method for glass fiber reinforced plastic chimney lining | |
| CN215291541U (en) | Adjustable concrete flatness auxiliary control device | |
| CN218563109U (en) | Concrete maintenance device for construction | |
| CN215920900U (en) | Blendor of building material processing usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 242100 Jinniu East Road, Langxi Economic Development Zone, Xuancheng City, Anhui Province Patentee after: Anhui Conch Yihai Pipe Technology Co.,Ltd. Address before: 242100 Jinniu East Road, Langxi Economic Development Zone, Xuancheng City, Anhui Province Patentee before: ANHUI LANGCHUAN JINPENG PLASTIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |