CN107009596B - A kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process - Google Patents
A kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process Download PDFInfo
- Publication number
- CN107009596B CN107009596B CN201710290903.1A CN201710290903A CN107009596B CN 107009596 B CN107009596 B CN 107009596B CN 201710290903 A CN201710290903 A CN 201710290903A CN 107009596 B CN107009596 B CN 107009596B
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- subplate
- material path
- master mold
- mainboard
- discharge port
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims abstract description 17
- 239000004433 Thermoplastic polyurethane Substances 0.000 title claims abstract description 16
- 238000001125 extrusion Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 65
- 238000007493 shaping process Methods 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims description 12
- 239000004814 polyurethane Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 4
- 206010013786 Dry skin Diseases 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000000116 mitigating effect Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000806 elastomer Substances 0.000 description 8
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 8
- 238000005266 casting Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 201000004624 Dermatitis Diseases 0.000 description 1
- 206010015946 Eye irritation Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- -1 diisocyanate class compound Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 231100000013 eye irritation Toxicity 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000037384 skin absorption Effects 0.000 description 1
- 231100000274 skin absorption Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process.The present invention includes master mold and shaping slice, it is characterized by: being equipped with mainboard material path and subplate material path in the master mold, the master mold left and right side is respectively provided with a feed inlet, the front side of the master mold is equipped with mainboard discharge port and subplate discharge port, the rear side of the master mold is equipped with subplate feed inlet, left and right side feed inlet is connected to form mainboard material path with mainboard discharge port, and subplate feed inlet and subplate discharge port form subplate material path, and subplate material path is located on mainboard material path；The master mold and shaping slice detachable connection.The extra quality road composite die design of the present invention, interior tissue is balanced close, and quality is high, at low cost；The continuously shaped output of energy is big, and the labour for mitigating staff increases production efficiency, and dimensionally stable is accurate.
Description
Technical field
The present invention relates to a kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and processes.
Background technique
Currently, common polyurethane elastomer divides casting type, thermoplastics type and three kinds of mixed milling type, casting type polyurethane elastomer
It is most widely used, maximum one kind of yield in polyurethane elastomer；It is total that thermoplastic polyurethane elastomer accounts for about polyurethane elastomer
25% or so of amount；Blending-type polyurethane elastomer accounts for 10% or so of polyurethane elastomer total amount.Thermoplastic polyurethane elasticity
Body be a kind of heating can be plasticized, the elastomer that solvent can dissolve, have high intensity, high tenacity, wear-resisting, oil resistant etc. excellent
Comprehensive performance, processing performance is good, is widely used in the industries such as national defence, medical treatment, food.The labour for mitigating staff increases life
Efficiency is produced, followed by continuously shaped output is big, and interior tissue is balanced close, and dimensionally stable is accurate.And general production mould
Structure is complicated, and process flow is lengthy and tedious, dismounting and change cumbersome, low efficiency.
Summary of the invention
The object of the present invention is to provide a kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and processes, adopt
It is co-extruded with thermoplastic polyurethane elastomer through polyurethane dedicated extruder, solves casting type polyurethane elastomer to environment
The problems such as poisoning with casting type polyurethane elastomer raw material is destroyed, the health of staff is protected, mitigates staff's
Labour increases production efficiency, and followed by continuously shaped output is big, and interior tissue is balanced close, and dimensionally stable is accurate.
To achieve the above object, the technical solution of the invention is as follows: a kind of anti-overflow skirtboard of extrusion type thermoplastic polyurethane
Production mould and process, including master mold and shaping slice, it is characterised in that: mainboard material path and pair are equipped in the master mold
Plate road, the master mold left and right side are respectively provided with a feed inlet, and the front side of the master mold is equipped with mainboard discharge port and subplate discharges
Mouthful, the rear side of the master mold is equipped with subplate feed inlet, and left and right side feed inlet is connected to form mainboard material path with mainboard discharge port,
Subplate feed inlet and subplate discharge port form subplate material path, and subplate material path is located on mainboard material path；
The master mold and shaping slice detachable connection.
The master mold from top to bottom successively includes the first plate, the second plate and third plate, and first plate and the second plate are spelled
Conjunction forms subplate material path, and second plate and third plate split form mainboard material path.
The left side feed inlet is connected to form left motherboard material path with mainboard discharge port, and the right side feed inlet goes out with mainboard
Material mouth is connected to form right motherboard material path, and side mainboard material path is converged with right motherboard material path in mould inside.
The discharge port size of the shaping slice is less than master mold discharge port size.
The shaping slice with a thickness of 2cm.
A kind of anti-overflow skirtboard process of extrusion type thermoplastic polyurethane, including following production stage: a, by polyurethane
Grain loading dryer, two hours of 90 DEG C~100 DEG C dryings, heat up the major and minor extruder about two connecting with the die feeding mouth
Hour is to progressively reach 190 DEG C~205 DEG C；
B, colour mixture powder colour mixture is added with the ratio of 20 grams of colour mixture powder with 25 kilograms of polyurethane particles；
C, the good material of colour mixture is separately added into major and minor extruder, booting；
D, material passes through the master mold and shaping slice of production mould, exports and squeezes out from shaping slice, falls into metal supporting frames, by
The water of water curtain type cools rapidly to 40 DEG C or less；
E, cooling and shaping rear haulage pulls out.
The beneficial effects of the present invention are: extra quality road composite die design, interior tissue is balanced close, and quality is high, at low cost；
The continuously shaped output of energy is big, and the labour for mitigating staff increases production efficiency, and dimensionally stable is accurate；Pollute small, protection
The health of staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of master mold of the present invention.
Fig. 2 is the side structure schematic diagram of master mold of the present invention.
Fig. 3 is the top view of master mold third plate in the present invention.
Fig. 4 is the structural schematic diagram of shaping slice in the present invention.
In figure: 1- master mold, 11- mainboard material path, 12- subplate material path, the left side 13- feed inlet, the right side 14- feed inlet, 15-
Mainboard discharge port, 16- subplate discharge port, the first plate of 17-, the second plate of 18-, 19- third plate, 2- shaping slice, 3 holes.
Specific embodiment
The present invention and its specific embodiment are described in further detail with reference to the accompanying drawing.
Referring to Fig. 1 to Fig. 4, the present invention includes master mold 1 and shaping slice 2, it is characterised in that: is equipped in the master mold 1
Mainboard material path 11 and subplate material path 12,1 left and right side of master mold are respectively provided with a feed inlet (13,14), before the master mold 1
Side is equipped with mainboard discharge port 15 and subplate discharge port 16, and the rear side of the master mold 1 is equipped with subplate feed inlet, left side feed inlet 13,
Right side feed inlet 14 is connected to form mainboard material path 11 with mainboard discharge port 15, and subplate feed inlet and subplate discharge port 16 form pair
Plate road 12, subplate material path 12 are located on mainboard material path 11；The master mold 1 and 2 through hole 3 of shaping slice are detachable with screw
Formula connection.
Production mould is to converge the molten thermoplastic polyurethane elastomer from three extruders, generates necessary molding
Pressure guarantees anti-overflow skirtboard density, to obtain section shape similar with production mould shape.
The master mold 1 from top to bottom successively includes the first plate 17, the second plate 18 and third plate 19,17 He of the first plate
Second plate, 18 split forms subplate material path 12, and second plate 18 and 19 split of third plate form mainboard material path 11, set between each plate
There are hole 3 and small boss convenient for positioning and split.Upper two layers of master mold 1 is that the first plate 17 and the second plate 18 mainly set subplate
Material path and subplate profile；Lower two layers of master mold 1 is the second plate 18 and third plate 19 is the material path and mainboard for setting mainboard
Profile.
The left side feed inlet 13 is connected to form left motherboard material path 11A with mainboard discharge port 15, the right side feed inlet
14 are connected to form right motherboard material path 11B with mainboard discharge port 15, and mainboard feed inlet is connect with extruder, and mainboard is squeezed out by two
Machine is co-extruded, and left motherboard material path 11A and right motherboard material path 11B converges in mould inside, squeezes if close to discharge port
There is the trace converged above mainboard out, such as has some setbacks close to feed inlet material path, cause material stock.
The discharge port size of the shaping slice 2 is less than 1 discharge port size of master mold, makes to form pressure in master mold 1 in this way
It is allowed to smoothly squeeze out.
Since the discharge port of subplate material path 12 is higher than mainboard material path 11, because gravity factor can make the material of subplate material path 12 exist
Mould inside flows to mainboard material path 11 and promotes the subplate material of even mainboard uneven distribution, out-of-flatness and the extrusion of subplate material path 12 not
It is enough, it crosses so joint should be designed at the shaping slice 2 of production mould, avoids problem above.The shape master of anti-overflow skirtboard
To depend on shaping slice 2.Shaping slice 2 with a thickness of 2cm.
A kind of anti-overflow skirtboard process of extrusion type thermoplastic polyurethane, including following production stage: a, by polyurethane
Grain loading dryer, two hours of 90 DEG C~100 DEG C dryings, heat up the major and minor extruder about two connecting with the die feeding mouth
Hour is to progressively reach 190 DEG C~205 DEG C；
B, colour mixture powder colour mixture is added with the ratio of 20 grams of colour mixture powder with 25 kilograms of polyurethane particles；
C, the good material of colour mixture is separately added into major and minor extruder, booting；
D, material passes through the master mold 1 and shaping slice 2 of production mould, exports and squeezes out from shaping slice 2, falls into metal support
Frame is cooled rapidly by the water of water curtain type to 40 DEG C or less；
E, cooling and shaping rear haulage pulls out.
Extruder temperature booting first four temperature section sets 197 DEG C, can be switched on after two hours of heating up, when material squeezes out
Head temperature is down to 185 DEG C and is successively successively decreased 5 DEG C with head to tail temperature afterwards.Since polyurethane material is different from other plastics.Often
Platform extruder driving screw revolving speed should be at 15 turns per minute or less to ensure that the plasticizing of polyurethane is uniform.It is fallen into after material is extruded
It is cooled down rapidly in the metal supporting frames of irony by cooling water, cooling water is sprayed by universal sparge pipe, and water hose nozzle should select water
Curtain type, and otherwise water flow too fast cannot can deform the anti-overflow skirtboard for making cooling.Simultaneously also by two below metal supporting frames
The bottom of circular hole water spout cooling support, to prevent inhomogeneous cooling is even from leading to anti-overflow skirtboard torsional deformation.Water temperature is no more than
40 DEG C otherwise unshaped polyurethane with metal supporting frames frictional force pull out anti-overflow skirtboard can not normally.Subplate is also fallen in simultaneously
In the metal supporting frames of another irony, cooling water is cooled down rapidly, to prevent and mainboard adhesion.
1, the raw material of casting type polyurethane elastomer is made of TDI and MDI.
MDI (methyl diphenylene diisocyanate), white at room temperature or yellowish solid state, is molten into colourless to micro-
Yellow liquid.The product can be widely applied to micro-pore elastomer, thermoplastic elastomer (TPE), casting type elastomer, artificial leather, synthesis
The manufacture of leather, adhesive, coating, sealant etc..MDI-100 room temperature is solid-state, lower (the 40 DEG C of vapour pressure < 10- of vapour pressure
4mmHg), lower in breathing sucking and skin absorption aspects toxicity；It can lead to moderate eye irritation and slight skin irritatin, it can
Cause skin allergy.Maximum acceptable concentration (TLV) is 0.02ppm to MDI-100 in air.
TDI (toluene-2,4-diisocyanate), TDI are the maximum one kind of diisocyanate class compound Poisoning, it has special gas
Taste, volatility is big, it is not soluble in water, is soluble in the organic solvents such as acetone, ethyl acetate, toluene.TDI is mainly for the production of poly-
Urethane resin and polyurethane foam, and there is volatility, so some furniture containing substance of this kind newly purchased can release
TDI。
MDI and TDI product alternative each other are all the raw materials for producing polyurethane.The price of MDI is slightly more expensive at present, but toxicity
It is lower than TDI.
2, Thermoplastic polyurethane elastomer material is non-toxic and tasteless, repeats and recycles, the material can by it is certain when
Between understand oneself decompose, not can cause environmental pollution, referred to as environment-friendly materials.Form of the thermoplastic polyurethane elastomer to squeeze out
Production, is truly realized no pollution to staff's person without any murder by poisoning.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of production mould of the anti-overflow skirtboard of extrusion type thermoplastic polyurethane, including master mold and shaping slice, it is characterised in that:
Mainboard material path and subplate material path are equipped in the master mold, which is respectively provided with a feed inlet, the master mold
Front side is equipped with mainboard discharge port and subplate discharge port, and the rear side of the master mold is equipped with subplate feed inlet, left and right side feed inlet with
Mainboard discharge port is connected to form mainboard material path, and subplate feed inlet and subplate discharge port form subplate material path, and subplate material path is located at master
On plate road；
The master mold and shaping slice detachable connection.
2. production mould according to claim 1, it is characterised in that: the master mold from top to bottom successively includes first
Plate, the second plate and third plate, first plate and the second plate split form subplate material path, second plate and third plate split shape
At mainboard material path.
3. production mould according to claim 1 or 2, it is characterised in that: the left side feed inlet and mainboard discharge port connect
Logical to form left motherboard material path, the right side feed inlet is connected to form right motherboard material path with mainboard discharge port, left motherboard material
Converge with right motherboard material path in mould inside in road.
4. production mould according to claim 1, it is characterised in that: the discharge port size of the shaping slice is less than master mold
Discharge port size.
5. production mould according to claim 1, it is characterised in that: the shaping slice with a thickness of 2cm.
6. the work of the production mould production anti-overflow skirtboard of extrusion type thermoplastic polyurethane according to any one of claims 1-5
Process, it is characterised in that: including following production stage:
A, polyurethane particles are packed into dryer, two hours of 90 DEG C~100 DEG C dryings, what heating was connect with the die feeding mouth
Major and minor extruder about two hours to progressively reach 190 DEG C~205 DEG C；
B, colour mixture powder colour mixture is added with the ratio of 20 grams of colour mixture powder with 25 kilograms of polyurethane particles；
C, the good material of colour mixture is separately added into major and minor extruder, booting；
D, material passes through the master mold and shaping slice of production mould, exports and squeezes out from shaping slice, metal supporting frames is fallen into, by water curtain
The water of type cools rapidly to 40 DEG C or less；
E, cooling and shaping rear haulage pulls out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290903.1A CN107009596B (en) | 2017-04-28 | 2017-04-28 | A kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710290903.1A CN107009596B (en) | 2017-04-28 | 2017-04-28 | A kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107009596A CN107009596A (en) | 2017-08-04 |
| CN107009596B true CN107009596B (en) | 2019-11-15 |
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| CN201710290903.1A Active CN107009596B (en) | 2017-04-28 | 2017-04-28 | A kind of anti-overflow skirtboard production mould of extrusion type thermoplastic polyurethane and process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719876A (en) * | 2018-12-28 | 2019-05-07 | 焦作市德邦科技有限公司 | The anti-overflow skirtboard manufacture craft of polyurethane |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
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2017
- 2017-04-28 CN CN201710290903.1A patent/CN107009596B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441546A (en) * | 2014-10-27 | 2015-03-25 | 品诚塑胶科技（上海）有限公司 | Production equipment and production method of hollow corrugated polycarbonate sunlight plate |
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Effective date of registration: 20240527 Address after: 055150 Tian Kou Xiang Bei Ding Cun, Ren county, Xingtai City, Hebei Province Patentee after: Xingtai Zhuojie Machinery Parts Manufacturing Co.,Ltd. Country or region after: China Address before: No. 154 Beiding Village, Tiankou Town, Renxian County, Xingtai City, Hebei Province, 055152 Patentee before: XINGTAI LINGSEN WEAR-RESISTANT MATERIAL CO.,LTD. Country or region before: China |
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