CN204077001U - A kind of hot melt compounding machine glue spraying rolling device - Google Patents
A kind of hot melt compounding machine glue spraying rolling device Download PDFInfo
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- CN204077001U CN204077001U CN201420411748.6U CN201420411748U CN204077001U CN 204077001 U CN204077001 U CN 204077001U CN 201420411748 U CN201420411748 U CN 201420411748U CN 204077001 U CN204077001 U CN 204077001U
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- glue spreader
- cloth
- tumbler
- hot melt
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Abstract
The utility model discloses a kind of hot melt compounding machine glue spraying rolling device, comprise spinning building, fusion spray cloth, mixed sticky cloth, glue spraying head, glue spreader, roll extrusion assembly and roll-in assembly, wherein above-mentioned spinning building moves downward the right side extending to glue spreader; Above-mentioned glue spraying head is arranged on glue spreader top, and aims at glue spreader, to be sprayed onto on glue spreader by PUR, glue spreader rotates and the hot-melt on surface is overlayed on the left end of spinning building on the surface; Above-mentioned fusion spray cloth moves right the bottom extending to glue spreader, and is adjacent to the outer surface of glue spreader, and fusion spray cloth and spinning building travel forward to be bonded together after the roll extrusion of roll extrusion assembly and form mixed sticky cloth; Roll-in assembly comprises fuser roller, and the body interior of fuser roller is cavity structure, and the two ends of body are fixedly installed tumbler, and tumbler is pipe structure, and connects the high-temperature steam device of peripheral hardware.The utility model structure is simple, and be integrated with glue spraying and hot melt duplex skill, and glue spraying is even, stock utilization is high.
Description
Technical field
The utility model relates to vehicle internal decoration cloth production field, refers in particular to a kind of hot melt compounding machine glue spraying rolling device.
Background technology
Hot melt compounding machine carries out hot melt laminating process by heat radiation to plastics, sheet material, cloth etc., two or more different materials combined and applies the processing machine that certain pressure makes it be combined into one.Automotive trim system is the important component part of body of a motor car, and the design efforts would of interior decoration system accounts for more than 60% of car shape-designing workload, far exceedes car conour, is one of most important part of vehicle body.Each car load factory usually by a huge automotive trim team, has carried out a large amount of Engineering Task relevant to interior trim.Vehicle internal decoration cloth is the automotive trim relatively commonly used, and vehicle internal decoration cloth often several cloth composite molten is formed together.Two kinds of cloth need coating hot-melt adhesive on two cloth in advance before carrying out hot melt, to make two cloth fritting, and ensure transportation cloth bonding closely, existing glue-spraying device generally adopts glue spraying head directly PUR to be sprayed on cloth surface, because cloth has certain width, and the PUR spraying that less therefore this kind of mode of shower nozzle area sprays is uneven, make cloth bond effect poor.Further, spraying lacks thermofusion device after PUR, only by mechanical stitch, two kinds of cloth are compressed bonding, bond effect is poor, and bonding is unstable; In addition, for existing single thermofusion device, hot melt weak effect, energy consumption is large.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of structure simple, is integrated with glue spraying and hot melt duplex skill, and glue spraying is even, glue spraying hot melt is effective, and stock utilization is high, the hot melt compounding machine glue spraying rolling device that energy consumption is little.
The technical scheme that the utility model is taked is as follows: a kind of hot melt compounding machine glue spraying rolling device, comprise spinning building, fusion spray cloth, mixed sticky cloth, glue spraying head, glue spreader, roll extrusion assembly and roll-in assembly, wherein above-mentioned spinning building moves downward the right side extending to glue spreader; Above-mentioned glue spraying head is arranged on glue spreader top, and aims at glue spreader, to be sprayed onto on glue spreader by PUR, glue spreader rotates and the hot-melt on surface is overlayed on the left end of spinning building on the surface; Above-mentioned fusion spray cloth moves right the bottom extending to glue spreader, and be adjacent to the outer surface of glue spreader, glue spreader rotates remaining hot-melt to be overlayed on the upper surface of fusion spray cloth, fusion spray cloth and spinning building travel forward to be bonded together after the roll extrusion of roll extrusion assembly and form mixed sticky cloth, and mixed sticky cloth enters further hot melt roll extrusion in roll-in assembly; Roll-in assembly comprises fuser roller, and the body interior of fuser roller is cavity structure, and the two ends of body are fixedly installed tumbler, tumbler is pipe structure, and connecting the high-temperature steam device of peripheral hardware, high-temperature steam to import in body to heat fuser roller by tumbler, makes mixed sticky cloth carry out hot melt adhesive.
Preferably, the upper end of described glue spraying head connects the hot-melt adhesive device of peripheral hardware to provide PUR, and the lower end of glue spraying head extends downward the outer surface of glue spreader, PUR to be sprayed on the outer surface of glue spreader.
Preferably, described roll extrusion assembly comprises roll extrusion guide roller and seaming roll, and wherein above-mentioned roll extrusion guide roller is arranged on the right side of spinning building, and corresponding glue spreader is arranged, and spinning building stretches between roll extrusion guide roller and glue spreader.
Preferably, leave gap between described roll extrusion guide roller and glue spreader, above-mentioned spinning building stretches in this gap, and this gap width is less than the thickness of spinning building, to compress spinning building, makes glue spreader gluing, and spinning building is travelled forward.
Preferably, described seaming roll is arranged on the bottom of roll extrusion guide roller, and and leave gap between roll extrusion guide roller, the spinning building after above-mentioned gluing and fusion spray cloth travel forward and stretch in this gap, to bond, form mixed sticky cloth.
Preferably, the gap width between described seaming roll and roll extrusion guide roller is less than the thickness sum of spinning building and fusion spray cloth, so as spinning building and fusion spray cloth to be compressed sticky and, form mixed sticky cloth, and mixed sticky cloth travelled forward.
Preferably, the roll extrusion power between described seaming roll and roll extrusion guide roller is greater than glue spreader to reaction force during fusion spray cloth gluing.
Preferably, described roll-in assembly comprises the first deflector roll, pressure roller, fuser roller and the second deflector roll, wherein, above-mentioned first deflector roll is arranged on mixed sticky cloth top, and mixed sticky cloth is compressed downwards, mixed sticky cloth extends to forward between pressure roller and fuser roller, by the further hot melt adhesive of fuser roller; Above-mentioned second deflector roll is arranged on the rear end of fuser roller, and mixed sticky cloth is through exporting on reel between fuser roller and the second deflector roll.
Preferably, the inside of the body of described fuser roller is cavity structure, the two ends of body are connected to the first tumbler and the second tumbler, the inner mouth of pipe of the first tumbler and the second tumbler and the inner space of body, and the outer end mouth of pipe of the first tumbler connects high-temperature steam device, to import in the inner chamber of body by high-temperature steam, makes fuser roller temperature raise, the outer end mouth of pipe of the second tumbler is gas outlet, and the gas after heating is discharged through the second tumbler.
Preferably, the first described tumbler and the outer end of the second tumbler are stretched in bearing, and are fixedly connected with bearing inner race, and bearing is fixed on pole, and pole is fixed on bearing.
The beneficial effects of the utility model are:
The utility model is a kind of improvement opportunity scheme for prior art, the hot melt compounding machine glue spraying rolling device of spinning building, fusion spray cloth, mixed sticky cloth, glue spraying head, glue spreader, roll extrusion assembly and roll-in assembly is comprised by design, relative to existing hot melt combination process, form two hot melting process.And the fuser roller of roll-in assembly is set to the inner roll body for cavity structure, the two ends of fuser roller connect the first tumbler and the second tumbler respectively, the inner of first tumbler and the second tumbler is connected on the body of fuser roller, and with the inner space of body, the outer end of the first tumbler and the second tumbler connects the high-temperature steam device of peripheral hardware, and the first tumbler connects steam (vapor) outlet, second tumbler connects steam inlet, high-temperature steam imports in chamber body by the first tumbler by high-temperature steam, heating fuser roller, to carry out hot melt adhesive to mixed sticky cloth, steam after heating is derived through the second tumbler.First, spray into PUR by shower nozzle and make spinning building and fusion spray cloth pre-bonded, form mixed sticky cloth by roll extrusion assembly, then carry out hot melt again by mixed sticky cloth importing roll-in assembly, make mixed sticky cloth carry out hot melt and be adjacent to; Spinning building moves downward the right side extending to glue spreader, glue spraying head is arranged on glue spreader top, and aim at glue spreader, PUR is sprayed onto on glue spreader, glue spreader rotates and overlays on the left surface of spinning building by the hot-melt on surface, and the right side of glue spreader arranges roll extrusion guide roller, and roll extrusion guide roller presses to spinning building on the right side of spinning building, to make glue spreader gluing, and spinning building is travelled forward; Fusion spray cloth moves right the bottom extending to glue spreader, and be adjacent to the outer surface of glue spreader, glue spreader rotates remaining hot-melt to be overlayed on the upper surface of fusion spray cloth, seaming roll is arranged on roll extrusion guide roller bottom, and and leave gap between roll extrusion guide roller, the fusion spray cloth after gluing and spinning building travel forward to be bonded together behind this gap and form mixed sticky cloth; Roll-in assembly comprises the first deflector roll, pressure roller, fuser roller and the second deflector roll, and wherein, above-mentioned first deflector roll is arranged on mixed sticky cloth top, and is compressed downwards by mixed sticky cloth, and mixed sticky cloth extends to forward between pressure roller and fuser roller, by the further hot melt adhesive of fuser roller; Above-mentioned second deflector roll is arranged on the rear end of fuser roller, and mixed sticky cloth is through exporting on reel between fuser roller and the second deflector roll.The utility model design is ingenious, and structure is simple, and spray-bonding craft achieves gluing, guiding, roll extrusion and attachment function by three rolling wheels, enormously simplify existing equipment structure, and gluing is even, and bond effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model fuser roller.
Fig. 2 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1 to Figure 2, the technical scheme that the utility model is taked is as follows: a kind of hot melt compounding machine glue spraying rolling device, comprise spinning building 1, fusion spray cloth 2, mixed sticky cloth 3, glue spraying head 4, glue spreader 5, roll extrusion assembly and roll-in assembly, wherein above-mentioned spinning building 1 moves downward the right side extending to glue spreader 5; Above-mentioned glue spraying head 4 is arranged on glue spreader 5 top, and aims at glue spreader 5, to be sprayed onto by PUR on glue spreader 5, glue spreader 5 rotates and the hot-melt on surface is overlayed on the left end of spinning building 1 on the surface; Above-mentioned fusion spray cloth 2 moves right the bottom extending to glue spreader 5, and be adjacent to the outer surface of glue spreader 5, glue spreader 5 rotates remaining hot-melt to be overlayed on the upper surface of fusion spray cloth 2, fusion spray cloth 2 and spinning building 1 travel forward to be bonded together after the roll extrusion of roll extrusion assembly and form mixed sticky cloth 3, and mixed sticky cloth 3 enters further hot melt roll extrusion in roll-in assembly; Roll-in assembly comprises fuser roller 9, body 91 inside of fuser roller 9 is cavity structure, the two ends of body 91 are fixedly installed tumbler, tumbler is pipe structure, and connect the high-temperature steam device of peripheral hardware, it is interior to heat fuser roller 9 that high-temperature steam is imported body 91 by tumbler, makes mixed sticky cloth carry out hot melt adhesive.
The upper end of glue spraying head 4 connects the hot-melt adhesive device of peripheral hardware to provide PUR, and the lower end of glue spraying head 4 extends downward the outer surface of glue spreader 5, PUR to be sprayed on the outer surface of glue spreader 5.
Roll extrusion assembly comprises roll extrusion guide roller 6 and seaming roll 7, and wherein above-mentioned roll extrusion guide roller 6 is arranged on the right side of spinning building 1, and corresponding glue spreader 5 is arranged, and spinning building 1 stretches between roll extrusion guide roller 6 and glue spreader 5.
Leave gap between roll extrusion guide roller 6 and glue spreader 5, above-mentioned spinning building 1 stretches in this gap, and this gap width is less than the thickness of spinning building 1, to compress spinning building 1, makes glue spreader 5 gluing, and spinning building 1 is travelled forward.
Seaming roll 7 is arranged on the bottom of roll extrusion guide roller 6, and and leave gap between roll extrusion guide roller 6, the spinning building 1 after above-mentioned gluing and fusion spray cloth 2 travel forward and stretch in this gap, to bond, form mixed sticky cloth 3.
Gap width between seaming roll 7 and roll extrusion guide roller 6 is less than the thickness sum of spinning building 1 and fusion spray cloth 2, so as spinning building 1 and fusion spray cloth 2 to be compressed sticky and, form mixed sticky cloth 3, and mixed sticky cloth 3 travelled forward.
Roll extrusion power between seaming roll 7 and roll extrusion guide roller 6 is greater than reaction force during glue spreader 5 pairs of fusion spray cloth 2 gluings.
Roll-in assembly comprises the first deflector roll 8, pressure roller 10, fuser roller 9 and the second deflector roll 11, wherein, above-mentioned first deflector roll 8 is arranged on mixed sticky cloth 3 top, and is compressed downwards by mixed sticky cloth 3, mixed sticky cloth 3 extends to forward between pressure roller 10 and fuser roller 9, by fuser roller 9 hot melt adhesive further; Above-mentioned second deflector roll 11 is arranged on the rear end of fuser roller 9, and mixed sticky cloth 3 is through exporting on reel between fuser roller 9 and the second deflector roll 11.
The inside of the body 91 of fuser roller 9 is cavity structure, the two ends of body 91 are connected to the first tumbler 92 and the second tumbler 93, first tumbler 92 and the inner mouth of pipe of the second tumbler 93 and the inner space of body 91, and the outer end mouth of pipe of the first tumbler 92 connects high-temperature steam device, high-temperature steam is imported in the inner chamber of body 91, fuser roller 9 temperature is raised, and the outer end mouth of pipe of the second tumbler 93 is gas outlet, and the gas after heating is discharged through the second tumbler 93.
The outer end of the first tumbler 92 and the second tumbler 93 is stretched in bearing 94, and is fixedly connected with bearing 94 inner ring, and bearing 94 is fixed on pole 95, and pole 95 is fixed on bearing 96.
Further, the utility model comprises the hot melt compounding machine glue spraying rolling device of spinning building, fusion spray cloth, mixed sticky cloth, glue spraying head, glue spreader, roll extrusion assembly and roll-in assembly by design, relative to existing hot melt combination process, forms two hot melting process.And the fuser roller of roll-in assembly is set to the inner roll body for cavity structure, the two ends of fuser roller connect the first tumbler and the second tumbler respectively, the inner of first tumbler and the second tumbler is connected on the body of fuser roller, and with the inner space of body, the outer end of the first tumbler and the second tumbler connects the high-temperature steam device of peripheral hardware, and the first tumbler connects steam (vapor) outlet, second tumbler connects steam inlet, high-temperature steam imports in chamber body by the first tumbler by high-temperature steam, heating fuser roller, to carry out hot melt adhesive to mixed sticky cloth, steam after heating is derived through the second tumbler.First, spray into PUR by shower nozzle and make spinning building and fusion spray cloth pre-bonded, form mixed sticky cloth by roll extrusion assembly, then carry out hot melt again by mixed sticky cloth importing roll-in assembly, make mixed sticky cloth carry out hot melt and be adjacent to; Spinning building moves downward the right side extending to glue spreader, glue spraying head is arranged on glue spreader top, and aim at glue spreader, PUR is sprayed onto on glue spreader, glue spreader rotates and overlays on the left surface of spinning building by the hot-melt on surface, and the right side of glue spreader arranges roll extrusion guide roller, and roll extrusion guide roller presses to spinning building on the right side of spinning building, to make glue spreader gluing, and spinning building is travelled forward; Fusion spray cloth moves right the bottom extending to glue spreader, and be adjacent to the outer surface of glue spreader, glue spreader rotates remaining hot-melt to be overlayed on the upper surface of fusion spray cloth, seaming roll is arranged on roll extrusion guide roller bottom, and and leave gap between roll extrusion guide roller, the fusion spray cloth after gluing and spinning building travel forward to be bonded together behind this gap and form mixed sticky cloth; Roll-in assembly comprises the first deflector roll, pressure roller, fuser roller and the second deflector roll, and wherein, above-mentioned first deflector roll is arranged on mixed sticky cloth top, and is compressed downwards by mixed sticky cloth, and mixed sticky cloth extends to forward between pressure roller and fuser roller, by the further hot melt adhesive of fuser roller; Above-mentioned second deflector roll is arranged on the rear end of fuser roller, and mixed sticky cloth is through exporting on reel between fuser roller and the second deflector roll.The utility model design is ingenious, and structure is simple, and spray-bonding craft achieves gluing, guiding, roll extrusion and attachment function by three rolling wheels, enormously simplify existing equipment structure, and gluing is even, and bond effect is good.
Embodiment of the present utility model just introduces its detailed description of the invention, does not lie in and limits its protection domain.The technical staff of the industry can make some amendment under the inspiration of the present embodiment, therefore all equivalences done according to the utility model the scope of the claims change or modify, and all belong within the scope of the utility model Patent right requirement.
Claims (10)
1. a hot melt compounding machine glue spraying rolling device, it is characterized in that: comprise spinning building (1), fusion spray cloth (2), mixed sticky cloth (3), glue spraying head (4), glue spreader (5), roll extrusion assembly and roll-in assembly, wherein above-mentioned spinning building (1) moves downward the right side extending to glue spreader (5); Above-mentioned glue spraying head (4) is arranged on glue spreader (5) top, and aim at glue spreader (5), to be sprayed onto by PUR on glue spreader (5), glue spreader (5) rotates and the hot-melt on surface is overlayed on the left end of spinning building (1) on the surface; Above-mentioned fusion spray cloth (2) moves right the bottom extending to glue spreader (5), and be adjacent to the outer surface of glue spreader (5), glue spreader (5) rotates remaining hot-melt to be overlayed on the upper surface of fusion spray cloth (2), fusion spray cloth (2) and spinning building (1) travel forward to be bonded together after the roll extrusion of roll extrusion assembly and form mixed sticky cloth (3), and mixed sticky cloth (3) enters further hot melt roll extrusion in roll-in assembly; Roll-in assembly comprises fuser roller (9), body (91) inside of fuser roller (9) is cavity structure, the two ends of body (91) are fixedly installed tumbler, tumbler is pipe structure, and connect the high-temperature steam device of peripheral hardware, it is interior to heat fuser roller (9) that high-temperature steam is imported body (91) by tumbler, makes mixed sticky cloth carry out hot melt adhesive.
2. a kind of hot melt compounding machine glue spraying rolling device according to claim 1, it is characterized in that: the upper end of described glue spraying head (4) connects the hot-melt adhesive device of peripheral hardware to provide PUR, the lower end of glue spraying head (4) extends downward the outer surface of glue spreader (5), PUR to be sprayed on the outer surface of glue spreader (5).
3. a kind of hot melt compounding machine glue spraying rolling device according to claim 2, it is characterized in that: described roll extrusion assembly comprises roll extrusion guide roller (6) and seaming roll (7), wherein above-mentioned roll extrusion guide roller (6) is arranged on the right side of spinning building (1), and corresponding glue spreader (5) is arranged, spinning building (1) stretches between roll extrusion guide roller (6) and glue spreader (5).
4. a kind of hot melt compounding machine glue spraying rolling device according to claim 3, it is characterized in that: between described roll extrusion guide roller (6) and glue spreader (5), leave gap, above-mentioned spinning building (1) stretches in this gap, and this gap width is less than the thickness of spinning building (1), to compress spinning building (1), make glue spreader (5) gluing, and spinning building (1) is travelled forward.
5. a kind of hot melt compounding machine glue spraying rolling device according to claim 4, it is characterized in that: described seaming roll (7) is arranged on the bottom of roll extrusion guide roller (6), and and leave gap between roll extrusion guide roller (6), spinning building (1) after above-mentioned gluing and fusion spray cloth (2) travel forward and stretch in this gap, to bond, form mixed sticky cloth (3).
6. a kind of hot melt compounding machine glue spraying rolling device according to claim 5, it is characterized in that: the gap width between described seaming roll (7) and roll extrusion guide roller (6) is less than the thickness sum of spinning building (1) and fusion spray cloth (2), so that spinning building (1) and fusion spray cloth (2) are compressed sticky with, form mixed sticky cloth (3), and mixed sticky cloth (3) is travelled forward.
7. a kind of hot melt compounding machine glue spraying rolling device according to claim 6, is characterized in that: the roll extrusion power between described seaming roll (7) and roll extrusion guide roller (6) is greater than glue spreader (5) to reaction force during fusion spray cloth (2) gluing.
8. a kind of hot melt compounding machine glue spraying rolling device according to any one of claim 1-7, it is characterized in that: described roll-in assembly comprises the first deflector roll (8), pressure roller (10), fuser roller (9) and the second deflector roll (11), wherein, above-mentioned first deflector roll (8) is arranged on mixed sticky cloth (3) top, and sticky cloth (3) will be mixed compress downwards, mixed sticky cloth (3) extends to forward between pressure roller (10) and fuser roller (9), by fuser roller (9) hot melt adhesive further; Above-mentioned second deflector roll (11) is arranged on the rear end of fuser roller (9), and mixed sticky cloth (3) is through exporting on reel between fuser roller (9) and the second deflector roll (11).
9. a kind of hot melt compounding machine glue spraying rolling device according to claim 8, it is characterized in that: the inside of the body (91) of described fuser roller (9) is cavity structure, the two ends of body (91) are connected to the first tumbler (92) and the second tumbler (93), the inner mouth of pipe of the first tumbler (92) and the second tumbler (93) and the inner space of body (91), and the outer end mouth of pipe of the first tumbler (92) connects high-temperature steam device, high-temperature steam is imported in the inner chamber of body (91), fuser roller (9) temperature is raised, the outer end mouth of pipe of the second tumbler (93) is gas outlet, gas after heating is discharged through the second tumbler (93).
10. a kind of hot melt compounding machine glue spraying rolling device according to claim 9, it is characterized in that: described the first tumbler (92) and the outer end of the second tumbler (93) are stretched in bearing (94), and be fixedly connected with bearing (94) inner ring, bearing (94) is fixed on pole (95), and pole (95) is fixed on bearing (96).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411748.6U CN204077001U (en) | 2014-07-24 | 2014-07-24 | A kind of hot melt compounding machine glue spraying rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411748.6U CN204077001U (en) | 2014-07-24 | 2014-07-24 | A kind of hot melt compounding machine glue spraying rolling device |
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| Publication Number | Publication Date |
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| CN204077001U true CN204077001U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420411748.6U Expired - Fee Related CN204077001U (en) | 2014-07-24 | 2014-07-24 | A kind of hot melt compounding machine glue spraying rolling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342706A (en) * | 2020-10-20 | 2021-02-09 | 大连医博仕医疗器械有限公司 | Mask material capable of inactivating viruses, production line and application thereof |
| CN112495714A (en) * | 2020-12-26 | 2021-03-16 | 吴江市盛泽兴隆轧光厂 | Gluing device of textile compound machine and using method thereof |
| CN114145529A (en) * | 2021-11-26 | 2022-03-08 | 安徽丽达制衣有限公司 | Compression molding device of multi-layer composite waterproof breathable school uniform |
-
2014
- 2014-07-24 CN CN201420411748.6U patent/CN204077001U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112342706A (en) * | 2020-10-20 | 2021-02-09 | 大连医博仕医疗器械有限公司 | Mask material capable of inactivating viruses, production line and application thereof |
| CN112342706B (en) * | 2020-10-20 | 2022-07-19 | 大连医博仕医疗器械有限公司 | Mask material capable of inactivating viruses, production line and application thereof |
| CN112495714A (en) * | 2020-12-26 | 2021-03-16 | 吴江市盛泽兴隆轧光厂 | Gluing device of textile compound machine and using method thereof |
| CN114145529A (en) * | 2021-11-26 | 2022-03-08 | 安徽丽达制衣有限公司 | Compression molding device of multi-layer composite waterproof breathable school uniform |
| CN114145529B (en) * | 2021-11-26 | 2024-03-26 | 安徽丽达制衣有限公司 | Compression molding device of multilayer composite waterproof breathable school uniform |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20200724 |