CN214031119U - A production rolling equipment for waterproofing membrane - Google Patents
A production rolling equipment for waterproofing membrane Download PDFInfo
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- CN214031119U CN214031119U CN202023253485.5U CN202023253485U CN214031119U CN 214031119 U CN214031119 U CN 214031119U CN 202023253485 U CN202023253485 U CN 202023253485U CN 214031119 U CN214031119 U CN 214031119U
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Abstract
The utility model provides a production rolling equipment for waterproof coiled material, which comprises a workbench, supporting legs, a rolling roller, a supporting plate, a screw rod seat, a compression screw rod, an operating hand wheel, a mounting seat, a guide roller, a rolling seat, a rolling roller, a rolling motor, a convenient hand-push cutting knife structure and a compression roller structure with adjustable compression force for preventing the coiled material from loosing, wherein the four corners of the lower end of the workbench are respectively connected with the supporting legs by bolts, and the left side inside the workbench is provided with a rectangular through groove; a plurality of rolling rollers are arranged and are sequentially and equidistantly axially connected in the rectangular through groove from left to right; the supporting plates are arranged in two numbers, and one ends of the supporting plates are respectively bolted to the front side and the rear side of the middle part of the upper end of the workbench, which is inclined to the left side. The utility model discloses the I-shaped guide rail, guide rail seat, gyro wheel, U type seat, the handle bar, the connecting rod cuts the motor and cuts the setting of sword, is favorable to the waterproofing membrane rolling to cut off after finishing.
Description
Technical Field
The utility model belongs to the technical field of waterproofing membrane, especially, relate to a production rolling equipment for waterproofing membrane.
Background
The waterproof roll is a waterproof material product prepared by impregnating an asphalt or polymer waterproof material on a carcass, and is provided in the form of a roll, which is called a roll. The coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be coiled into a flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
At present, each production enterprise usually uses a rolling device to roll the waterproof material after the waterproof material is produced.
But current rolling equipment still has the waterproofing membrane after being convenient for to the rolling and tailors, waterproofing membrane is easy loose and the nonadjustable problem of tensile force during the rolling.
Therefore, the invention of the production and winding equipment for the waterproof coiled material is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a production rolling equipment for waterproofing membrane to there is the waterproofing membrane after the rolling of being not convenient for to be tailor in solving current rolling equipment, waterproofing membrane is easy loose and the nonadjustable problem of tensile force during the rolling. A production and winding device for waterproof coiled materials comprises a workbench, supporting legs, a rolling roller, a supporting plate, a screw seat, a compression screw, an operating hand wheel, a mounting seat, a guide roller, a winding seat, a winding roller, a winding motor, a convenient hand-push cutting knife structure and a compression roller structure with adjustable pressing force for preventing the coiled materials from loosening, wherein the four corners of the lower end of the workbench are respectively connected with the supporting legs through bolts, and a rectangular through groove is formed in the left side inside the workbench; a plurality of rolling rollers are arranged and are sequentially and equidistantly axially connected in the rectangular through groove from left to right; the two support plates are arranged, one end of each support plate is respectively bolted to the front side and the rear side of the left side of the middle part of the upper end of the workbench, and the other end of each support plate is respectively bolted to the front side and the rear side of the lower end of the screw rod seat; the middle part inside the screw rod seat is provided with a threaded hole; the compression screw is in threaded connection with the inside of the screw seat, and the lower end of the compression screw is positioned at the lower part of the screw seat; the operating hand wheel key is connected to the upper end of the compression screw; two mounting seats are arranged, and the lower ends of the two mounting seats are respectively connected to the front side and the rear side of the right side of the upper end of the workbench through bolts; the guide roller is connected to the middle upper side between the two mounting seats; the two winding seats are respectively connected to the front side and the rear side of the right side of the upper end of the workbench through bolts at the lower ends, and are positioned on the right sides of the two mounting seats; the winding roller is connected to the upper side in the interior between the two winding seats; the winding motor is connected to the middle upper side of the front end of the winding seat arranged on the front side through a bolt, and an output shaft of the winding motor is connected with a coupler at the front end of the winding roller; the convenient hand-push cutting knife structure and the anti-roll-loosening pressing force adjustable compression roller structure are respectively connected with the workbench; the convenient hand-push cutting knife structure comprises an I-shaped guide rail, guide rail seats, a roller, a U-shaped seat, a hand lever, a connecting rod, a cutting motor and a cutting knife, wherein the I-shaped guide rail is connected between the two guide rail seats through a bolt; the rolling wheels are respectively connected to the upper side of the inner wall of the left side and the upper side of the inner wall of the right side of the U-shaped seat in a shaft-to-shaft manner from front to back, and the rolling wheels are respectively arranged on the left side and the right side in the I-shaped guide rail in a rolling manner; the U-shaped seat is sleeved at the lower part of the outer side of the I-shaped guide rail; the right end of the hand lever is connected with the upper side of the left end of the U-shaped seat through a bolt; one end of the connecting rod is connected to the right side of the lower end of the U-shaped seat through a bolt, and the other end of the connecting rod is connected to the right side of the upper end of the cutting motor through a bolt; the cutting knife is connected with an output shaft key of the cutting motor.
Preferably, the adjustable compression roller structure for preventing the coiled material from loosening and compressing force comprises a plurality of guide rods, a spring compression plate, a stop block, a square-shaped seat, a spring and an anti-loosening compression roller, wherein one end of each of the plurality of guide rods penetrates through the four corners inside the spring compression plate and extends to the upper part of the spring compression plate, and the other end of each of the plurality of guide rods is connected to the four corners at the upper end of the square-shaped seat through bolts; the middle parts of the lower ends of the stop blocks are connected with the upper ends of the guide rods through bolts; the springs are respectively sleeved on the outer walls of the guide rods and are positioned between the spring pressing plate and the square-shaped seat; the loose-proof compression roller shaft is connected to the middle part inside the square-back seat.
Preferably, the guide rail seats are two, and the lower ends of the two guide rail seats are connected to the front side and the rear side of the position, on the right side, in the middle of the upper end of the workbench through bolts.
Preferably, the lower side of the cutting knife is positioned in a cutting groove formed in the middle part of the inside of the workbench and on the right side.
Preferably, the upper side in the interior of the spring pressing plate is connected with a bearing at the lower end of the pressing screw rod.
Preferably, the spring pressing plate is positioned between the two supporting plates.
Preferably, the axis of the anti-loosening and scattering pressing roller and the axis of the rolling roller arranged on the right side are in the same plane.
Preferably, the cutting knife is a tungsten steel knife with a circular longitudinal section.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, I shape guide rail, guide rail seat, gyro wheel, U type seat, the handle bar, the connecting rod cuts the motor and cuts the setting of sword, is favorable to the waterproofing membrane rolling to cut off after finishing.
2. The utility model discloses in, the guide arm, spring pressure strip, the dog returns style of calligraphy seat, spring and the setting of locking pressure roller that looses are favorable to compressing tightly waterproofing membrane, waterproofing membrane makes waterproofing membrane be in the tensioning state always when removing to between locking pressure roller and the wind-up roll that looses to can avoid the loose difficult problem of carrying of waterproofing membrane after the rolling.
3. The utility model discloses in, backup pad, the screw rod seat, the setting of housing screw and operation hand wheel, be favorable to adjusting the packing force of locking compressing roller scattered to adjustable waterproofing membrane is at the tensioning state of locking when loosing between compressing roller and wind-up roll.
4. The utility model discloses in, the setting of gyro wheel, be favorable to reducing gliding frictional force on the I shape guide rail to make the user remove more easily and cut the sword and cut.
5. The utility model discloses in, the setting of roll roller, frictional force when being favorable to reducing waterproofing membrane and removing to avoid waterproofing membrane to suffer the damage.
6. The utility model discloses in, the setting of operation hand wheel and handspike, be favorable to the user to make things convenient for operating equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the convenient hand-push cutting knife structure of the utility model.
Fig. 3 is a schematic structural diagram of the adjustable pressing roller structure for preventing loose packing force of coiled material.
In the figure:
1. a work table; 2. supporting legs; 3. a rolling roller; 4. a support plate; 5. a screw seat; 6. a compression screw; 7. operating a hand wheel; 8. a mounting seat; 9. a guide roller; 10. a winding seat; 11. a wind-up roll; 12. a winding motor; 13. the structure of the convenient hand-push cutting knife; 131. an I-shaped guide rail; 132. a guide rail seat; 133. a roller; 134. a U-shaped seat; 135. a handle; 136. a connecting rod; 137. cutting the motor; 138. cutting knife; 14. the adjustable compression roller structure prevents the coiled material from loosening and has adjustable pressing force; 141. a guide bar; 142. a spring hold-down plate; 143. a stopper; 144. a square-shaped seat; 145. a spring; 146. locking scattered compression roller.
Detailed Description
The utility model is described in detail with the following drawings, as shown in fig. 1 and fig. 2, a production rolling device for waterproof coiled material comprises a workbench 1, supporting legs 2, rolling rollers 3, a supporting plate 4, a screw seat 5, a compression screw 6, an operation hand wheel 7, a mounting seat 8, a guide roller 9, a rolling seat 10, a rolling roller 11, a rolling motor 12, a convenient hand-push cutting knife structure 13 and a compression roller structure 14 capable of adjusting the loose pressing force of the coiled material, four corners at the lower end of the workbench 1 are respectively connected with the supporting legs 2 through bolts, and a rectangular through groove is formed in the left side inside the workbench 1; a plurality of rolling rollers 3 are arranged and are sequentially and equidistantly axially connected in the rectangular through groove from left to right; two support plates 4 are arranged, one end of each support plate is respectively bolted to the front side and the rear side of the middle part of the upper end of the workbench 1, which is deviated from the left side, and the other end of each support plate is respectively bolted to the front side and the rear side of the lower end of the screw rod seat 5; a threaded hole is formed in the middle part inside the screw rod seat 5; the compression screw 6 is in threaded connection with the inside of the screw seat 5, and the lower end of the compression screw 6 is positioned at the lower part of the screw seat 5; the operating hand wheel 7 is in key connection with the upper end of the compression screw 6; two mounting seats 8 are arranged, and the lower ends of the two mounting seats are respectively connected to the front side and the rear side of the right side of the upper end of the workbench 1 through bolts; the guide roller 9 is axially connected between the two mounting seats 8 at the middle upper side; the two winding seats 10 are respectively connected to the front side and the rear side of the right side of the upper end of the workbench 1 through bolts at the lower ends, and the two winding seats 10 are positioned on the right sides of the two mounting seats 8; the winding roller 11 is axially connected to the inner upper side between the two winding seats 10; the winding motor 12 is connected to the middle upper side of the front end of the winding seat 10 arranged on the front side through a bolt, and an output shaft of the winding motor 12 is connected with a coupler at the front end of the winding roller 11; the convenient hand-push cutting knife structure 13 and the anti-roll-loosening pressing force adjustable compression roller structure 14 are respectively connected with the workbench 1; the convenient hand-push cutting knife structure 13 comprises an I-shaped guide rail 131, guide rail seats 132, a roller 133, a U-shaped seat 134, a hand lever 135, a connecting rod 136, a cutting motor 137 and a cutting knife 138, wherein the I-shaped guide rail 131 is connected between the two guide rail seats 132 through bolts; the rollers 133 are respectively connected to the upper side of the inner wall of the left side and the upper side of the inner wall of the right side of the U-shaped seat 134 from front to back in a shaft-like manner, and the rollers 133 are respectively arranged on the left side and the right side inside the I-shaped guide rail 131 in a rolling manner; the U-shaped seat 134 is sleeved at the lower part of the outer side of the I-shaped guide rail 131; the right end of the hand lever 135 is connected with the upper side of the left end of the U-shaped seat 134 through a bolt; one end of the connecting rod 136 is connected to the right side of the lower end of the U-shaped seat 134 through a bolt, and the other end of the connecting rod 136 is connected to the right side of the upper end of the cutting motor 137 through a bolt; cutting sword 138 with cut motor 137's output shaft key-type connection setting, when cutting the waterproofing membrane that the rolling finishes, can hold hand lever 135 and promote forward or backward, hand lever 135 drives U type seat 134 and removes, U type seat 134 slides at I shape guide rail 131 outer wall through gyro wheel 133, U type seat 134 drives connecting rod 136 and removes, connecting rod 136 drives and cuts motor 137 and removes, cut motor 137 and drive and cut sword 138 and remove, can cut the coiled material that the rolling finishes this moment, so that continue the next waterproofing membrane of rolling.
In this embodiment, referring to fig. 3, the adjustable pressing roller structure 14 for preventing the loose of the coiled material comprises a plurality of guide rods 141, a spring pressing plate 142, a stop 143, a square-shaped seat 144, a spring 145 and a loose-proof pressing roller 146, wherein one end of each of the plurality of guide rods 141 penetrates through four corners of the interior of the spring pressing plate 142 and extends to the upper part of the spring pressing plate 142, and the other end of each of the plurality of guide rods is bolted to the four corners of the upper end of the square-shaped seat 144; a plurality of stoppers 143 are provided, and the middle parts of the lower ends of the stoppers are respectively connected to the upper ends of the plurality of guide rods 141 by bolts; the springs 145 are sleeved on the outer walls of the guide rods 141 respectively and located between the spring pressing plate 142 and the square-shaped seat 144; the loose-proof compaction roller 146 is coupled to the middle part of the inner part of the square-shaped seat 144, and when the coiled material is compacted, by rotating the operating handwheel 7, the operating handwheel 7 drives the pressing screw 6 to rotate, the pressing screw 6 drives the spring pressing plate 142 to move downwards, the spring pressing plate 142 drives the guide rod 141 to move downwards, the guide rod 141 drives the square-shaped return seat 144 and the anti-loosening pressing roller 146 to move downwards, when the loose-preventing pressing roller 146 contacts the coiled material, the hand wheel 7 is continuously rotated, at this time, the spring pressing plate 142 continuously moves downwards, and the spring 145 is compressed, and at this time, the pressing force of the loose-proof pressing roller 146 is increased along with the compression of the spring 145, so that a user can adjust the pressing force of the loose-proof pressing roller 146 according to actual conditions, and the larger the pressing force of the spring pressing plate 142 moving the loose-proof pressing roller 146 downwards is, the smaller the pressing force of the spring pressing plate 142 moving the loose-proof pressing roller 146 upwards is.
In this embodiment, specifically, the two guide rail seats 132 are provided, and the lower ends of the two guide rail seats are respectively bolted to the front side and the rear side of the upper end middle part of the workbench 1 on the side away from the right side.
In this embodiment, specifically, the lower side of the cutting knife 138 is located inside a cutting groove formed in the middle part of the inside of the workbench 1 and on the right side.
In this embodiment, specifically, the inner upper side of the spring pressing plate 142 is connected to the lower end bearing of the pressing screw 6.
In this embodiment, specifically, the spring pressing plate 142 is located between the two support plates 4.
In this embodiment, specifically, the axis of the anti-loosening and pressure-scattering roller 146 and the axis of the rolling roller 3 disposed on the right side are in the same plane.
In this embodiment, specifically, the cutting knife 138 is a tungsten steel knife with a circular longitudinal section.
In this embodiment, specifically, the roller 133 is a nylon plastic roller.
In this embodiment, specifically, the loose-proof pressure roller 146 is a stainless steel roller whose outer surface is glued with a rubber layer.
In this embodiment, a 775 type motor is specifically used as the cutting motor 137.
In this embodiment, the winding motor 12 is an AKM2G-4X type servo motor.
In this embodiment, specifically, the cutting motor 137 and the winding motor 12 are respectively electrically connected to a control panel disposed outside.
Principle of operation
In the utility model, when cutting the coiled waterproof material which is completely rolled, the hand lever 135 can be held and pushed forwards or backwards, the hand lever 135 drives the U-shaped seat 134 to move, the U-shaped seat 134 slides on the outer wall of the I-shaped guide rail 131 through the roller 133, the U-shaped seat 134 drives the connecting rod 136 to move, the connecting rod 136 drives the cutting motor 137 to move, the cutting motor 137 drives the cutting knife 138 to move, and at the moment, the coiled waterproof material which is completely rolled can be cut so as to continue to roll the next coiled waterproof material; when a coiled material is pressed, the hand wheel 7 is operated by rotating the operation hand wheel 7, the hand wheel 7 drives the pressing screw rod 6 to rotate, the pressing screw rod 6 drives the spring pressing plate 142 to move downwards, the spring pressing plate 142 drives the guide rod 141 to move downwards, the guide rod 141 drives the square-shaped seat 144 and the anti-loosening pressing roller 146 to move downwards, after the anti-loosening pressing roller 146 contacts the coiled material, the hand wheel 7 is continuously rotated, the spring pressing plate 142 continues to move downwards at the moment, the spring 145 is compressed, the pressing force of the anti-loosening pressing roller 146 is increased along with the compression of the spring 145 at the moment, a user can adjust the pressing force of the anti-loosening pressing roller 146 according to actual conditions, the pressing force of the anti-loosening pressing roller 146 moved downwards by the spring pressing plate 142 is larger, and the pressing force of the anti-loosening pressing roller 146 moved upwards by the spring pressing plate 142 is smaller.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (8)
1. The production and winding equipment for the waterproof coiled material is characterized by comprising a workbench (1), supporting legs (2), rolling rollers (3), a supporting plate (4), a screw seat (5), a compression screw (6), an operating hand wheel (7), a mounting seat (8), a guide roller (9), a winding seat (10), a winding roller (11), a winding motor (12), a convenient hand-push cutting knife structure (13) and an adjustable compression roller structure (14) capable of preventing the loose pressing force of the coiled material, wherein the supporting legs (2) are respectively bolted at four corners of the lower end of the workbench (1), and a rectangular through groove is formed in the left side inside the workbench (1); a plurality of rolling rollers (3) are arranged and are sequentially and equidistantly axially connected in the rectangular through groove from left to right; two supporting plates (4) are arranged, one end of each supporting plate is respectively bolted to the front side and the rear side of the left side of the middle part of the upper end of the workbench (1), and the other end of each supporting plate is respectively bolted to the front side and the rear side of the lower end of the screw rod seat (5); a threaded hole is formed in the middle part inside the screw rod seat (5); the compression screw (6) is in threaded connection with the inside of the screw seat (5), and the lower end of the compression screw (6) is positioned at the lower part of the screw seat (5); the operating hand wheel (7) is connected with the upper end of the compression screw rod (6) in a key way; two mounting seats (8) are arranged, and the lower ends of the two mounting seats are connected to the front side and the rear side of the right side of the upper end of the workbench (1) through bolts; the guide roller (9) is coupled at the middle upper side between the two mounting seats (8); the two winding seats (10) are arranged, the lower ends of the two winding seats are connected to the front side and the rear side of the right side of the upper end of the workbench (1) through bolts, and the two winding seats (10) are positioned on the right sides of the two mounting seats (8); the winding roller (11) is axially connected to the upper side in the inner part between the two winding seats (10); the winding motor (12) is connected to the middle upper side of the front end of the winding seat (10) arranged on the front side through bolts, and an output shaft of the winding motor (12) is connected with a coupler at the front end of the winding roller (11); the convenient hand-push cutting knife structure (13) and the pressing roller structure (14) capable of adjusting the pressing force for preventing the coil from loosening are respectively connected with the workbench (1); the convenient hand-push cutting knife structure (13) comprises an I-shaped guide rail (131), a guide rail seat (132), a roller (133), a U-shaped seat (134), a hand lever (135), a connecting rod (136), a cutting motor (137) and a cutting knife (138), wherein the I-shaped guide rail (131) is connected between the two guide rail seats (132) through bolts; the rollers (133) are respectively connected to the upper side of the inner wall of the left side and the upper side of the inner wall of the right side of the U-shaped seat (134) in a shaft-connecting mode from front to back, and the rollers (133) are respectively arranged on the left side and the right side inside the I-shaped guide rail (131) in a rolling mode; the U-shaped seat (134) is sleeved at the lower part of the outer side of the I-shaped guide rail (131); the right end of the hand lever (135) is connected with the upper side of the left end of the U-shaped seat (134) through a bolt; one end of the connecting rod (136) is connected to the right side of the lower end of the U-shaped seat (134) through a bolt, and the other end of the connecting rod is connected to the right side of the upper end of the cutting motor (137) through a bolt; the cutting knife (138) is in key connection with an output shaft of the cutting motor (137).
2. The production and winding device for the waterproof rolls according to claim 1, wherein the adjustable pressing roller structure (14) for preventing the loose pressing force of the rolls comprises a plurality of guide rods (141), a spring pressing plate (142), a stop block (143), a square-shaped seat (144), a spring (145) and an anti-loose pressing roller (146), wherein one end of each of the plurality of guide rods (141) penetrates through four corners inside the spring pressing plate (142) and extends to the upper part of the spring pressing plate (142), and the other end of each of the plurality of guide rods is bolted to the four corners at the upper end of the square-shaped seat (144); a plurality of stoppers (143) are arranged, and the middle parts of the lower ends of the stoppers are respectively connected with the upper ends of the guide rods (141) by bolts; the springs (145) are sleeved on the outer walls of the guide rods (141) respectively and are positioned between the spring pressing plate (142) and the square-shaped seats (144); the loose-proof compaction roller (146) is coupled to the middle part inside the square-back seat (144) in a shaft mode.
3. The production and winding device for the waterproof roll according to claim 1, wherein two guide rail seats (132) are provided, and the lower ends of the two guide rail seats are respectively bolted to the front side and the rear side of the right side of the middle part of the upper end of the workbench (1).
4. The production and winding device for the waterproof rolls as claimed in claim 1, wherein the lower side of the cutting knife (138) is positioned in a cutting groove formed in the right side of the middle part in the workbench (1).
5. The production and winding device for the waterproof coiled material as claimed in claim 2, wherein the upper inner side of the spring pressing plate (142) is connected with a bearing at the lower end of the pressing screw rod (6).
6. The roll-up apparatus for the production of waterproofing membrane according to claim 2, characterized in that the spring pressing plate (142) is located between two of the support plates (4).
7. The production and winding device for the waterproof coiled material as claimed in claim 2, wherein the axis of the loose-proof pressing roller (146) and the axis of the rolling roller (3) arranged on the right side are in the same plane.
8. The production and winding device for the waterproof coiled material as claimed in claim 1, wherein the cutting knife (138) is a tungsten steel knife with a circular longitudinal section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253485.5U CN214031119U (en) | 2020-12-29 | 2020-12-29 | A production rolling equipment for waterproofing membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253485.5U CN214031119U (en) | 2020-12-29 | 2020-12-29 | A production rolling equipment for waterproofing membrane |
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| Publication Number | Publication Date |
|---|---|
| CN214031119U true CN214031119U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023253485.5U Active CN214031119U (en) | 2020-12-29 | 2020-12-29 | A production rolling equipment for waterproofing membrane |
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| Country | Link |
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| CN (1) | CN214031119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737324A (en) * | 2021-10-18 | 2021-12-03 | 常熟市常盛无纺制品有限公司 | Processing technology and device for spinning silk cotton warm velvet |
| CN114083599A (en) * | 2021-11-23 | 2022-02-25 | 卜青青 | Rapid cutting device for waterproof coiled material |
-
2020
- 2020-12-29 CN CN202023253485.5U patent/CN214031119U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737324A (en) * | 2021-10-18 | 2021-12-03 | 常熟市常盛无纺制品有限公司 | Processing technology and device for spinning silk cotton warm velvet |
| CN114083599A (en) * | 2021-11-23 | 2022-02-25 | 卜青青 | Rapid cutting device for waterproof coiled material |
| CN114083599B (en) * | 2021-11-23 | 2024-06-04 | 卜青青 | Quick cutting device of waterproofing membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Langdong Waterproof Technology Co.,Ltd. Assignor: Langhang Waterproof Technology Group Co., Ltd Contract record no.: X2021980015599 Denomination of utility model: The utility model relates to a production winding equipment for waterproof coiled material Granted publication date: 20210824 License type: Common License Record date: 20211221 |
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| EE01 | Entry into force of recordation of patent licensing contract |