CN113276389A - Ceiling board plastic suction manufacturing method - Google Patents
Ceiling board plastic suction manufacturing method Download PDFInfo
- Publication number
- CN113276389A CN113276389A CN202110522540.6A CN202110522540A CN113276389A CN 113276389 A CN113276389 A CN 113276389A CN 202110522540 A CN202110522540 A CN 202110522540A CN 113276389 A CN113276389 A CN 113276389A
- Authority
- CN
- China
- Prior art keywords
- ceiling
- manufacturing
- ceiling board
- edge
- molding according
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 241000255925 Diptera Species 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000008034 disappearance Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/10—Building elements, e.g. bricks, blocks, tiles, panels, posts, beams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a blister manufacturing method of a ceiling board, which comprises the following steps of firstly, adding rolled sheet materials into a blister forming die for blister forming; an outer flange is arranged at the edge of the die cavity of the forming die, and a ceiling with the thickness of 0.5mm-2 is formed by plastic suction; step two, mounting the formed ceiling on a rotary fixing frame for clamping; the method of the invention can lead the plastic ceiling to have the following advantages; avoid traditional artifical spraying to lead to the condition appearance of part position disappearance spraying, make fire protection coating spraying effect better, play certain combustion-supporting effect, avoid the conflagration to take place, be provided with seal structure, can effectually improve the degree of hugging between ceiling outer wall and the ceiling support, possess following benefit, improve the stability of integral erection, prevent to drop, keep apart the space about the ceiling, prevent that the dust from piling up, breed the mosquito and the condition of leaking appears, great improvement the quality of ceiling.
Description
Technical Field
The invention relates to a manufacturing method of a plastic uptake ceiling, in particular to a plastic uptake manufacturing method of a ceiling board.
Background
The plastic uptake ceiling manufacturing process is heating raw materials usually, pour the raw materials after the heating into the plastic uptake mould intracavity, close the mould, carry out evacuation processing, the last shaping product carries out cooling treatment, produce the plastic uptake ceiling, but current plastic uptake ceiling weight is great, do not possess the fire prevention function after the preparation is accomplished, increase the condition of a fire very easily after the indoor fire that takes place, do not possess flame retardant efficiency, and simultaneously, ceiling top space and below space can not play fine isolation effect, lead to ceiling top space to breed the mosquito easily, pile up dust scheduling problem, sealed effect and installation stability are not ideal.
Accordingly, there is a need for further improvement in the existing plastic ceiling manufacturing process.
Disclosure of Invention
The invention aims to provide a plastic uptake manufacturing method of a ceiling board, which can achieve the flame retardant effect, has light integral gravity, good upper and lower space isolation effect and good sealing property, and improves the installation stability.
In order to achieve the purpose, the invention adopts the following scheme:
a method for manufacturing ceiling board by plastic suction comprises the following steps,
step one, adding rolled sheet materials into a plastic suction forming mold for plastic suction forming; an outer flange is arranged at the edge of the die cavity of the forming die, and a ceiling with the thickness of 0.5mm-2 is formed by plastic suction;
step two, mounting the formed ceiling on a rotary fixing frame for clamping;
starting a spraying device, wherein the spraying device comprises a transverse conveying pipe, a plurality of atomizing spray heads are arranged on the transverse conveying pipe along the axial direction of the transverse conveying pipe, and the plurality of atomizing spray heads spray a fireproof coating to the surface of the ceiling;
step four; the ceiling is formed into an edge groove with an inward concave outer edge through an outer flange;
step five; and an elastic sealing ring is sleeved on the edge groove.
Further, in the first step, the sheet material is a PVC material.
Further, the use of the plastic suction forming mold comprises the following steps,
step one, putting rolled sheet materials into a heating device to be heated to a softening state;
step two, putting the heated softened sheet material on a plastic suction mould;
step three, vacuumizing the mould, and adsorbing the softened sheet to the surface of the inner wall of the mould;
and step four, spraying cooling water on the surface of the forming piece in a mist form to harden the forming piece, and finally discharging.
Further, the heating device adopts an electric furnace oven to heat and soften the sheet materials.
Further, the die comprises a fixed die and a movable die, and an upper ceiling profile is arranged on the fixed die; go up the ceiling profile including setting up square protruding edge on the cover half, square protruding edge is provided with the plate body groove along the middle part, square protruding edge with be provided with the raised grain structure between the plate body groove, square protruding edge sets up a plurality of bellyings.
Furthermore, the rotary fixing frame comprises a frame body, two movable rotating shaft seats are arranged on the frame body at intervals, rotating shafts are installed in the movable rotating shaft seats in a rotating mode, one of the rotating shafts is provided with a rotating motor, the output end of the rotating motor is fixedly connected with one of the rotating shaft end faces, and the inner ends of the two rotating shafts are respectively provided with a clamping portion.
Furthermore, the spraying device also comprises a plane moving mechanism which drives the transverse conveying pipe to move up and down, and a pump body and a storage box which are fixedly arranged on the plane moving mechanism, wherein a discharge port of the storage box is connected with an inlet of the pump body, and an outlet of the pump body is connected with a feed inlet of the transverse conveying pipe.
Furthermore, the edge groove is arranged along the outer edge of the ceiling after molding, and the elastic sealing ring is sleeved in the edge groove.
Further, the lower surface of the edge groove extends outwards to form a flame-retardant baffle plate used for shielding the elastic sealing ring sleeve and achieving the flame-retardant purpose.
Further, the elastic sealing ring is made of a natural rubber material.
In summary, compared with the prior art, the invention has the beneficial effects that:
the invention solves the defects existing in the existing ceiling manufacturing method, and the plastic uptake ceiling has the following advantages by the method of the invention; the ceiling which is lighter and thinner is formed, the load bearing of the ceiling is reduced, the ceiling is more stably installed, and the transportation cost is reduced; carry out the spraying that covers comprehensively to the ceiling, avoid traditional artifical spraying to lead to the condition appearance of part position disappearance spraying, make fire protection coating spraying effect better, play certain combustion-supporting effect, avoid the conflagration to take place, be provided with seal structure, can effectually improve the degree of hugging closely between ceiling outer wall and the ceiling support, possess following benefit, improve the stability of integral erection, prevent to drop, keep apart the space about the ceiling, prevent that the dust from piling up, breed the mosquito and the condition of leaking appears, great improvement the quality of ceiling, and simple structure, high durability and convenient use.
Drawings
FIG. 1 is a flow chart of the manufacturing method of the present invention.
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, the present invention provides
A method for manufacturing ceiling board by plastic suction comprises the following steps,
step one, adding rolled sheet materials into a plastic suction forming mold for plastic suction forming; an outer flange is arranged at the edge of the die cavity of the forming die, and a ceiling with the thickness of 0.5mm-2 is formed by plastic suction; the ceiling is light and thin, and the manufacturing cost and the transportation cost are reduced.
Step two, mounting the formed ceiling on a rotary fixing frame for clamping; and preparing for comprehensive spraying work.
Starting a spraying device, wherein the spraying device comprises a transverse conveying pipe, a plurality of atomizing spray heads are arranged on the transverse conveying pipe along the axial direction of the transverse conveying pipe, and the plurality of atomizing spray heads spray a fireproof coating to the surface of the ceiling; the ceiling surface is sprayed comprehensively, and all parts can be sprayed.
Step four; the ceiling is formed into an edge groove with an inward concave outer edge through an outer flange;
step five; the elastic sealing ring is sleeved on the edge groove, and after the elastic sealing ring is added, the mounting stability and the sealing performance can be improved, and the friction force between the ceiling supports is enhanced.
In the first step of the invention, the sheet material is made of PVC material.
The use of the plastic suction forming mold comprises the following steps,
step one, putting rolled sheet materials into a heating device to be heated to a softening state;
step two, putting the heated softened sheet material on a plastic suction mould;
step three, vacuumizing the mould, and adsorbing the softened sheet to the surface of the inner wall of the mould;
and step four, spraying cooling water on the surface of the forming piece in a mist form to harden the forming piece, and finally discharging.
The heating device adopts an electric furnace oven to heat and soften the sheet stock.
The die comprises a fixed die and a movable die, wherein an upper ceiling outline is arranged on the fixed die; go up the ceiling profile including setting up square protruding edge on the cover half, square protruding edge is provided with the plate body groove along the middle part, square protruding edge with be provided with the raised grain structure between the plate body groove, square protruding edge sets up a plurality of bellyings.
The rotary fixing frame comprises a frame body, wherein two movable rotating shaft seats are arranged on the frame body at intervals, rotating shafts are rotatably arranged in the movable rotating shaft seats, one frame body is provided with a rotary motor, the output end of the rotary motor is fixedly connected with the end face of one rotating shaft, and the inner ends of the two rotating shafts are respectively provided with a clamping part.
The spraying device also comprises a plane moving mechanism for driving the transverse conveying pipe to move up and down, and a pump body and a material storage box which are fixedly arranged on the plane moving mechanism, wherein a discharge port of the material storage box is connected with an inlet of the pump body, and an outlet of the pump body is connected with a feed port of the transverse conveying pipe.
The edge groove is arranged along the outer edge of the formed ceiling, and the elastic sealing ring is sleeved in the edge groove.
The lower surface of the edge groove extends outwards to form a flame-retardant baffle plate which is used for shielding the elastic sealing ring sleeve and has the flame-retardant purpose.
The elastic sealing ring is made of natural rubber materials.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A ceiling board plastic uptake manufacturing method is characterized in that: comprises the following steps of (a) carrying out,
step one, adding rolled sheet materials into a plastic suction forming mold for plastic suction forming; an outer flange is arranged at the edge of the die cavity of the forming die, and a ceiling with the thickness of 0.5mm-2 is formed by plastic suction;
step two, mounting the formed ceiling on a rotary fixing frame for clamping;
starting a spraying device, wherein the spraying device comprises a transverse conveying pipe, a plurality of atomizing spray heads are arranged on the transverse conveying pipe along the axial direction of the transverse conveying pipe, and the plurality of atomizing spray heads spray a fireproof coating to the surface of the ceiling;
step four; the ceiling is formed into an edge groove with an inward concave outer edge through an outer flange;
step five; and an elastic sealing ring is sleeved on the edge groove.
2. The method for manufacturing ceiling board by suction molding according to claim 1, wherein: in the first step, the sheet stock is made of PVC material.
3. The method for manufacturing ceiling board by suction molding according to claim 1, wherein: the use of the plastic suction forming mold comprises the following steps,
step one, putting rolled sheet materials into a heating device to be heated to a softening state;
step two, putting the heated softened sheet material on a plastic suction mould;
step three, vacuumizing the mould, and adsorbing the softened sheet to the surface of the inner wall of the mould;
and step four, spraying cooling water on the surface of the forming piece in a mist form to harden the forming piece, and finally discharging.
4. The method for manufacturing ceiling board by suction molding according to claim 3, wherein: the heating device heats and softens the sheet materials by adopting an electric furnace oven.
5. The method for manufacturing ceiling board by suction molding according to claim 3, wherein: the die comprises a fixed die and a movable die, and an upper ceiling outline is arranged on the fixed die; go up the ceiling profile including setting up square protruding edge on the cover half, square protruding edge is provided with the plate body groove along the middle part, square protruding edge with be provided with the raised grain structure between the plate body groove, square protruding edge sets up a plurality of bellyings.
6. The method for manufacturing ceiling board by suction molding according to claim 1, wherein: the rotary fixing frame comprises a frame body, two movable rotating shaft seats are arranged on the frame body at intervals, rotating shafts are installed in the movable rotating shaft seats in a rotating mode, one of the rotating shafts is provided with a rotating motor, the output end of the rotating motor is fixedly connected with one of the rotating shaft end faces, and the inner ends of the rotating shafts are respectively provided with a clamping portion.
7. The method for manufacturing ceiling board by suction molding according to claim 1, wherein: the spraying device is characterized by further comprising a plane moving mechanism for driving the transverse conveying pipe to move up and down, and a pump body and a storage box which are fixedly arranged on the plane moving mechanism, wherein a discharge port of the storage box is connected with an inlet of the pump body, and an outlet of the pump body is connected with a feed inlet of the transverse conveying pipe.
8. The method for manufacturing ceiling board by suction molding according to claim 1, wherein: the edge groove is arranged along the outer edge of the ceiling after molding, and the elastic sealing ring is sleeved in the edge groove.
9. The method for manufacturing ceiling board by suction molding according to claim 8, wherein: and the lower surface of the edge groove extends outwards to form a flame-retardant baffle plate which is used for shielding the elastic sealing ring sleeve and has the flame-retardant purpose.
10. The method for manufacturing ceiling board by suction molding according to claim 9, wherein: the elastic sealing ring is made of natural rubber materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110522540.6A CN113276389A (en) | 2021-05-13 | 2021-05-13 | Ceiling board plastic suction manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110522540.6A CN113276389A (en) | 2021-05-13 | 2021-05-13 | Ceiling board plastic suction manufacturing method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113276389A true CN113276389A (en) | 2021-08-20 |
Family
ID=77278838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110522540.6A Pending CN113276389A (en) | 2021-05-13 | 2021-05-13 | Ceiling board plastic suction manufacturing method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113276389A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87201458U (en) * | 1987-01-04 | 1987-11-25 | 柏绿山 | Multifunctional far infrared plastic suction machine |
CN1095133A (en) * | 1993-08-21 | 1994-11-16 | 田萍 | A kind of manufacture method that the raised and concave figures decorative panel is arranged |
JP2007261125A (en) * | 2006-03-29 | 2007-10-11 | Daikyo Nishikawa Kk | Resin moldings and its molding method |
US20100015346A1 (en) * | 2008-07-15 | 2010-01-21 | Pape James D | Coating apparatus and method |
CN103112152A (en) * | 2013-01-05 | 2013-05-22 | 台州市黄岩炜大塑料机械有限公司 | Thermoforming processing method for plastic decorative wall panel |
CN204105764U (en) * | 2014-10-11 | 2015-01-21 | 沁园集团股份有限公司 | The combining structure of a kind of door lining, gasket |
KR102243713B1 (en) * | 2020-11-30 | 2021-04-26 | 주식회사 대성이노텍 | Fire Protection Paint System for Wood and Plywood |
-
2021
- 2021-05-13 CN CN202110522540.6A patent/CN113276389A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87201458U (en) * | 1987-01-04 | 1987-11-25 | 柏绿山 | Multifunctional far infrared plastic suction machine |
CN1095133A (en) * | 1993-08-21 | 1994-11-16 | 田萍 | A kind of manufacture method that the raised and concave figures decorative panel is arranged |
JP2007261125A (en) * | 2006-03-29 | 2007-10-11 | Daikyo Nishikawa Kk | Resin moldings and its molding method |
US20100015346A1 (en) * | 2008-07-15 | 2010-01-21 | Pape James D | Coating apparatus and method |
CN103112152A (en) * | 2013-01-05 | 2013-05-22 | 台州市黄岩炜大塑料机械有限公司 | Thermoforming processing method for plastic decorative wall panel |
CN204105764U (en) * | 2014-10-11 | 2015-01-21 | 沁园集团股份有限公司 | The combining structure of a kind of door lining, gasket |
KR102243713B1 (en) * | 2020-11-30 | 2021-04-26 | 주식회사 대성이노텍 | Fire Protection Paint System for Wood and Plywood |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113276389A (en) | Ceiling board plastic suction manufacturing method | |
CN112590356A (en) | High-temperature-resistant mica plate pressing process | |
CN205631505U (en) | Corrugated paper manufacturing is with adjustable indentation device | |
CN206455871U (en) | A kind of former of cable insulation material | |
CN220398016U (en) | Thistle board drying device | |
CN118124131A (en) | Environment-friendly plastic uptake heating die | |
CN112677456B (en) | Plastic suction forming method and plastic suction mold for plastic packaging box | |
CN212948385U (en) | Assembled building element steam curing equipment | |
CN215612938U (en) | Ultraviolet light curing UV coating machine | |
CN206318060U (en) | A kind of glass bar production system | |
CN219968809U (en) | Plastic suction mould for top and bottom covers | |
CN208332880U (en) | Grinding wheel hardening cabinet device for pilling | |
CN209886121U (en) | Drying box for heat-insulating board | |
CN112659444A (en) | Combined machine for microwave heating forming and die making of expandable resin die | |
CN206469450U (en) | A kind of air conditioner air deflector and its air-conditioning | |
CN216205052U (en) | Heated air circulation infrared oven for assembly line workshop | |
CN205394973U (en) | High injection mix bucket of shaping insulating foam panel floor board | |
CN209478790U (en) | A kind of expanded bead curing agitating device | |
CN107553939B (en) | Air curtain type heat insulation soaking structure of fiber pipeline winding forming machine | |
CN208746409U (en) | A kind of heat preservation shrink oven | |
CN219092617U (en) | Drying device of facial tissue rubberizing layer in composite insulation board manufacturing line | |
CN221497045U (en) | Cooling forming device is used in working of plastics production | |
CN219913868U (en) | Raw material drying device for glass product production | |
CN110813576B (en) | Novel spraying of graphite alkene heat dissipation membrane device | |
CN220329152U (en) | Drying device for aluminum template laminating |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210820 |
|
RJ01 | Rejection of invention patent application after publication |