CN111674053B - Preparation method and preparation device of elastic ear cloth - Google Patents
Preparation method and preparation device of elastic ear cloth Download PDFInfo
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- CN111674053B CN111674053B CN202010558942.7A CN202010558942A CN111674053B CN 111674053 B CN111674053 B CN 111674053B CN 202010558942 A CN202010558942 A CN 202010558942A CN 111674053 B CN111674053 B CN 111674053B
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- elastic
- woven fabric
- traction mechanism
- cloth
- ear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
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- 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
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4835—Masks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a preparation method of elastic ear cloth, belonging to the technical field of masks. The invention also provides a device for preparing the elastic ear cloth, which comprises a rack, and a first non-woven cloth traction mechanism, a second non-woven cloth traction mechanism, an elastic membrane traction mechanism, a first glue sprayer, a second glue sprayer, a first pair of press rollers, a second pair of press rollers and a hot press which are arranged on the rack; can effectively carry out the drawing of different degrees to TPU membrane and non-woven fabrics, the preparation process is smooth, and preparation facilities simple structure easily uses widely, and degree of automation is high, and the earflap that the elasticity ear cloth of preparing made is even wear for a long time also be difficult for arousing the ear pain.
Description
Technical Field
The invention belongs to the technical field of masks, and particularly relates to a preparation method and a preparation device of elastic ear cloth.
Background
The gauze mask comprises face and ear area, hangs the ear area hook in the ear during use for the gauze mask is worn and is sheltered from the mouth nose in face, can effectively place virus, bacterium, inhalable particle etc. from getting into the respiratory track. And effective physical protection is achieved. The ear belt of the mask is mostly round or oblate elastic ropes similar to elastic belts, and the specifications are usually 2.5mm, 3mm, 4mm and 5mm in diameter, and the resilience force is strong. However, when the mask is used in special situations such as pollen seasons and epidemic infectious diseases, people need to wear the mask for a long time due to frequent outing and the flowing and dense population, and the mask is often required to be worn for more than 6 hours continuously. The ear belt made of the elastic rope has strong resilience force and small contact area with the ear, so that the ear belt is pressed and painful after being worn for a long time, and has low use comfort.
The chinese patent application No. 201910574174.1 discloses a disposable mask with adjustable ear hanging straps, which comprises a mask portion, and ear hanging strap fixing portions and ear hanging straps formed at both ends of the mask portion; an ear hook band is coupled to the insertion space at both ends of the mask part to be hung on the ears of a user, and the mask part includes a drawing hole formed by cutting the ear hook band fixing part so as to draw the ear hook band from the insertion space to adjust the length. Although the length of the ear straps of the disposable mask can be adjusted according to the size of the face of a person, the ear straps still need to be kept in a stretching state in order to ensure that the mask does not fall off in the wearing process, and although the ear straps can be relieved to a certain extent, the ear pain can still be caused along with the increase of the wearing time.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problems to be solved by the invention are as follows: provides an elastic ear cloth used for preparing an ear band of a mask, which is not easy to cause ear pain after being worn for a long time.
In order to solve the technical problems, the invention adopts the technical scheme that: a preparation method of elastic ear cloth comprises the following steps;
and 3, compounding the stretched non-woven fabric obtained in the step 1 on two sides of the stretched TPU film obtained in the step 2 through hot melt adhesive to obtain the elastic ear cloth.
The other technical scheme adopted by the invention is as follows: a device for preparing elastic ear cloth comprises a rack, and a first non-woven cloth drawing mechanism, a second non-woven cloth drawing mechanism, an elastic membrane drawing mechanism, a first glue sprayer, a second glue sprayer, a first pair of compression rollers, a second pair of compression rollers and a hot press which are arranged on the rack;
the elastic membrane traction mechanism, the first glue sprayer, the first pair of compression rollers, the second glue sprayer, the second pair of compression rollers and the hot press are arranged in a production line, the first non-woven fabric traction mechanism is arranged above the elastic membrane traction mechanism, and the second non-woven fabric traction mechanism is arranged below the elastic membrane traction mechanism;
the first non-woven fabric drawing mechanism and the second non-woven fabric drawing mechanism are used for drawing the non-woven fabrics;
the elastic film drawing mechanism is used for drawing the TPU film.
The invention has the beneficial effects that: the preparation method provided by the invention is simple and low in cost, the TPU film which does not have stretchability originally and the non-woven fabric which is stretched to a certain degree are attached to obtain the elastic ear cloth, the non-woven fabric is attached to two sides of the TPU film, so that the obtained ear belt has elasticity, meanwhile, the sheet structure of the non-woven fabric has large contact area with ears after being made into the ear belt, the ear belt is soft and skin-friendly, the ear belt cannot cause oppression on the ears after being worn, and the ear pain caused by wearing the mask for a long time is avoided; the preparation device of the elastic ear cloth provided by the invention can effectively stretch the TPU film and the non-woven fabric to different degrees, the preparation process is smooth, the preparation device is simple in structure, easy to popularize and use and high in automation degree, and ear belts made of the prepared elastic ear cloth are not easy to cause ear pain even if being worn for a long time.
Drawings
FIG. 1 is a schematic structural view of an apparatus for manufacturing an elastic ear patch according to an embodiment of the present invention;
FIG. 2 is a schematic view of an elastic ear panel according to an embodiment of the present invention;
description of reference numerals: 1. a first nonwoven drawing mechanism; 11. a first unwinding inflatable shaft; 12. a first tension swing link; 13. a first drive roll; 14. a second drive roll;
2. a second nonwoven fabric drawing mechanism; 21. a second uncoiling inflatable shaft; 22. a second tension swing link; 23. a third drive roll; 24. a fourth drive roll;
3. an elastic film drawing mechanism; 31. a third open-winding air expansion shaft; 32. a third tension swing link; 33. a fifth drive roll; 34. a sixth drive roll;
4. a first glue sprayer; 5. a second glue sprayer; 6. a first pair of press rolls; 7. a second pair of press rolls; 8. a hot press; 9. a frame; 91. a finished product deviation rectifier; 92. a third pair of press rolls; 93. winding a tension swing rod; 94. rolling an inflatable shaft;
10. an elastic ear cloth; 101. a TPU film; 102. a nonwoven fabric.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: and (3) attaching the TPU film which does not have stretchability originally to the non-woven fabric which is stretched to a certain degree to obtain the elastic ear cloth.
Referring to fig. 1-2, a method for manufacturing an elastic ear patch of the present invention includes the following steps;
and 3, compounding the stretched non-woven fabric 102 obtained in the step 1 on the upper side and the lower side of the stretched TPU film 101 obtained in the step 2 through hot melt adhesive to obtain the elastic ear cloth 10.
From the above description, the beneficial effects of the present invention are: the method provided by the invention is simple in preparation method and low in cost, the TPU film which does not have stretchability originally is attached to the non-woven fabric which is stretched to a certain degree to obtain the elastic ear cloth, the non-woven fabric is attached to two sides of the TPU film, so that the obtained ear belt has elasticity, meanwhile, the contact area between the sheet structure of the non-woven fabric and the ear is large, the non-woven fabric is soft and skin-friendly, the ear belt is made without oppression on the ear, and the ear pain caused by long-term wearing is avoided.
Further, the width-to-width ratio of the nonwoven fabric 102 before and after stretching is 10:7-7.25, and the width-to-width ratio of the TPU film 101 before and after stretching is 2.9: 2.8.
From the above description, it is known that the TPU film has a low tensile deformation amount and substantially no stretchability, and the elasticity and quality of the elastic ear cloth finally obtained are significantly affected by the direction and elongation of the nonwoven fabric, and the elastic ear cloth having a soft texture and excellent elasticity can be obtained by controlling the width-to-width ratio of the nonwoven fabric before and after stretching to 10: 7-7.25.
Further, the hot melt adhesive is rubber band adhesive.
From the above description, it can be known that compounding with the rubber band glue as the hot melt adhesive can effectively compound the TPU film and the two layers of non-woven fabric into a whole.
Further, the nonwoven fabric 102 is a 13g-15g spunbonded nonwoven fabric having a width of 400 mm.
Further, the TPU film 101 is a 23g-25g TPU film with a width of 290 mm.
As can be seen from the above description, the elastic ear cloth made of the non-woven fabric and TPU film with the above specifications is light and soft, does not cause oppression on ears, and has good wearing comfort.
The invention relates to a preparation device of elastic ear cloth, which comprises a rack 9, and a first non-woven cloth traction mechanism 1, a second non-woven cloth traction mechanism 2, an elastic membrane traction mechanism 3, a first glue sprayer 4, a second glue sprayer 5, a first pair of compression rollers 6, a second pair of compression rollers 7 and a hot press 8 which are arranged on the rack 9;
the elastic membrane traction mechanism 3, the first glue sprayer 4, the first pair of compression rollers 6, the second glue sprayer 5, the second pair of compression rollers 7 and the hot press 8 are arranged in a production line, the first non-woven fabric traction mechanism 1 is arranged above the elastic membrane traction mechanism 3, and the second non-woven fabric traction mechanism 2 is arranged below the elastic membrane traction mechanism 3;
the first nonwoven fabric drawing mechanism 1 and the second nonwoven fabric drawing mechanism 2 are used for drawing the nonwoven fabric 102;
the elastic film drawing mechanism 3 is used for drawing the TPU film.
From the above description, the preparation device of the elastic ear cloth provided by the invention can effectively stretch the TPU film and the non-woven fabric in different degrees, the preparation process is smooth, the preparation device is simple in structure, easy to popularize and use and high in automation degree, and ear belts made of the prepared elastic ear cloth are not easy to cause ear pain even if the ear belts are worn for a long time.
Further, a finished product deviation rectifier 91, a third pair of pressing rollers 92, a winding tension swing rod 93 and a winding air expansion shaft 94 are sequentially arranged at the discharge end of the hot press 8.
Further, the first nonwoven drawing mechanism 1 comprises a first uncoiling inflatable shaft 11, a first tension swing rod 12, a first driving roller 13 and a second driving roller 14 which are arranged in a production line;
the second non-woven fabric drawing mechanism 2 comprises a second uncoiling air expansion shaft 21, a second tension swing rod 22, a third driving roller 23 and a fourth driving roller 24 which are arranged in a production line;
the elastic film drawing mechanism 3 comprises a third open-winding air expansion shaft 31, a third tension swing rod 32, a fifth driving roller 33 and a sixth driving roller 34 which are arranged in a production line.
Example 1 is:
a preparation method of elastic ear cloth specifically comprises the following steps;
wherein the width-to-width ratio of the spun-bonded non-woven fabric before and after stretching is 10:7-7.25, and the width-to-width ratio of the TPU film 101 before and after stretching is 2.9: 2.8;
the elastic ear cloth 10 obtained was used for preparing an ear band for a mask.
Example 2:
a device for preparing elastic ear cloth comprises a rack 9, and a first non-woven cloth traction mechanism 1, a second non-woven cloth traction mechanism 2, an elastic membrane traction mechanism 3, a first glue sprayer 4, a second glue sprayer 5, a first pair of compression rollers 6, a second pair of compression rollers 7, a hot press 8, a finished product deviation rectifier 91, a third pair of compression rollers 92, a rolling tension swing rod 93 and a rolling air expansion shaft 94 which are arranged on the rack 9;
the elastic membrane traction mechanism 3, the first glue sprayer 4, the first pair of compression rollers 6, the second glue sprayer 5, the second pair of compression rollers 7 and the hot press 8 are arranged in a production line, the first non-woven fabric traction mechanism 1 is arranged above the elastic membrane traction mechanism 3, and the second non-woven fabric traction mechanism 2 is arranged below the elastic membrane traction mechanism 3;
the first nonwoven fabric drawing mechanism 1 and the second nonwoven fabric drawing mechanism 2 are used for drawing the nonwoven fabric 102; the non-woven fabric 102 is 13g of spun-bonded non-woven fabric with the width of 400 mm;
the elastic film drawing mechanism 3 is used for drawing the TPU film 101; the TPU film 101 is a 23g TPU film 101 with the width of 290 mm;
the first non-woven fabric drawing mechanism 1 comprises a first uncoiling air expansion shaft 11, a first tension swing rod 12, a first driving roller 13 and a second driving roller 14 which are arranged in a production line;
the second non-woven fabric drawing mechanism 2 comprises a second uncoiling air expansion shaft 21, a second tension swing rod 22, a third driving roller 23 and a fourth driving roller 24 which are arranged in a production line;
the elastic film drawing mechanism 3 comprises a third open-winding air expansion shaft 31, a third tension swing rod 32, a fifth driving roller 33 and a sixth driving roller 34 which are arranged in a production line.
The working process of the embodiment is as follows: the coiled first nonwoven fabric is uncoiled through a first uncoiling air expansion shaft 11, is transmitted to a first driving roller 13 through a first tension swing rod 12 and then is transmitted to a second driving roller 14, the first nonwoven fabric is pulled by utilizing the rotating speed difference of the first driving roller 13 and the second driving roller 14, the width of the first nonwoven fabric is changed from 400mm to 280mm, and the stretched first nonwoven fabric is transmitted to a second pair of compression rollers 7;
and the coiled second non-woven fabric is uncoiled by a second uncoiling air expansion shaft 21, is transmitted to a third driving roller 23 by a second tension swing rod 22 and is then transmitted to a fourth driving roller 24, and the second non-woven fabric is drawn by utilizing the rotation speed difference of the third driving roller 23 and the fourth driving roller 24. The width of the second nonwoven fabric is changed from 400mm to 280mm, and the second nonwoven fabric after stretching is conveyed to the first pair of press rolls 6;
the coiled TPU film 101 is uncoiled by a third uncoiling and air expanding shaft 31, is transmitted to a fifth driving roller 33 by a third tension swing rod 32 and then is transmitted to a sixth driving roller 34, and by utilizing the rotating speed difference of the fifth driving roller 33 and the sixth driving roller 34, the TPU film 101 is drawn (basically does not deform) to change the width from 290mm to 280mm, the drawn TPU film 101 passes through the upper part of the first glue sprayer 4 to lead the downward surface of the TPU film to be attached with the hot-melted rubber band glue, then the mixture is conveyed to a first pair of press rollers 6 to be compounded with the stretched second non-woven fabric, and is conveyed forwards together and conveyed to a second glue sprayer 5, so that the upward surface of the mixture is adhered with the hot-melted rubber band glue, then the obtained product is conveyed to a second pair of press rollers 7 to be compounded with the stretched first non-woven fabric, and is conveyed forwards to a hot press 8 together, and the hot press 8 carries out hot press bonding to firmly compound the three layers of materials into a whole to obtain a composite material;
the composite material is further pressed by a third pair of press rollers 92, and then is conveyed to a rolling air expansion shaft 94 through a rolling tension swing rod 93 to be rolled into a roll of elastic ear cloth 10.
The first tension swing rod 12, the second tension swing rod 22, the third tension swing rod 32 and the winding tension swing rod 93 are identical in structure.
The discharge ends of the first non-woven fabric traction mechanism 1, the second non-woven fabric traction mechanism 2 and the elastic film traction mechanism 3 can be further provided with a deviation corrector for controlling the feeding accuracy and improving the product quality.
Example 3:
example 3 is different from example 2 in that the first nonwoven fabric and the second nonwoven fabric are both 15g of a spunbond nonwoven fabric having a width of 400 mm; the TPU film 101 is 25g of TPU film 101 with the width of 290mm, the width of the TPU film 101 is not changed during drawing and is 290mm, and the width of the first non-woven fabric and the second non-woven fabric after drawing is 290 mm.
In conclusion, the preparation method provided by the invention is simple and low in cost, the TPU film which does not have stretchability originally is attached to the non-woven fabric which is stretched to a certain degree to obtain the elastic ear cloth, the non-woven fabric is attached to two sides of the TPU film, so that the obtained ear belt has elasticity, meanwhile, the contact area between the sheet structure of the non-woven fabric and the ear is large, the material is soft and skin-friendly, the ear belt is made without pressing the ear, and the ear pain caused by long-term wearing is avoided; the preparation device of the elastic ear cloth provided by the invention can effectively stretch the TPU film and the non-woven fabric to different degrees, the preparation process is smooth, the preparation device is simple in structure, easy to popularize and use and high in automation degree, and ear belts made of the prepared elastic ear cloth are not easy to cause ear pain even if being worn for a long time.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. The preparation method of the elastic ear cloth is characterized by comprising the following steps;
step 1, stretching the non-woven fabric along the length direction of the non-woven fabric for later use;
step 2, stretching the TPU film along the length direction of the TPU film for later use;
step 3, compounding the stretched non-woven fabric obtained in the step 1 on two sides of the stretched TPU film obtained in the step 2 through hot melt adhesive to obtain elastic ear cloth;
the width ratio of the non-woven fabric before and after stretching is 10: 7-7.25.
2. The method of making an elastic ear patch according to claim 1, wherein the hot melt adhesive is an elastic band adhesive.
3. The method of claim 1, wherein the nonwoven is a 13g-15g spunbonded nonwoven having a width of 400 mm.
4. The method of making an elastic ear cloth of claim 1, wherein the TPU film is 23-25g TPU film with a width of 290 mm.
5. The device for preparing the elastic ear cloth is characterized by comprising a rack, and a first non-woven cloth traction mechanism, a second non-woven cloth traction mechanism, an elastic membrane traction mechanism, a first glue sprayer, a second glue sprayer, a first pair of compression rollers, a second pair of compression rollers and a hot press which are arranged on the rack;
the elastic membrane traction mechanism, the first glue sprayer, the first pair of compression rollers, the second glue sprayer, the second pair of compression rollers and the hot press are arranged in a production line, the first non-woven fabric traction mechanism is arranged above the elastic membrane traction mechanism, and the second non-woven fabric traction mechanism is arranged below the elastic membrane traction mechanism;
the first non-woven fabric drawing mechanism and the second non-woven fabric drawing mechanism are used for drawing the non-woven fabrics;
the elastic film drawing mechanism is used for drawing the TPU film.
6. The apparatus for preparing elastic ear cloth according to claim 5, wherein the discharge end of the hot press is further provided with a finished product deviation corrector, a third pair of press rollers, a winding tension swing rod and a winding air expansion shaft in sequence.
7. The apparatus for manufacturing an elastic ear cloth according to claim 5, wherein the first nonwoven fabric drawing mechanism comprises a first uncoiling inflatable shaft, a first tension swing link, a first driving roll and a second driving roll which are arranged in a production line;
the second non-woven fabric drawing mechanism comprises a second uncoiling air expansion shaft, a second tension swing rod, a third driving roller and a fourth driving roller which are arranged in a production line;
the elastic film traction mechanism comprises a third open-winding air expansion shaft, a third tension swing rod, a fifth driving roller and a sixth driving roller which are arranged in a production line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010558942.7A CN111674053B (en) | 2020-06-18 | 2020-06-18 | Preparation method and preparation device of elastic ear cloth |
| CN202210462880.9A CN114801218B (en) | 2020-06-18 | 2020-06-18 | Preparation method of elastic ear cloth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010558942.7A CN111674053B (en) | 2020-06-18 | 2020-06-18 | Preparation method and preparation device of elastic ear cloth |
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| CN202210462880.9A Division CN114801218B (en) | 2020-06-18 | 2020-06-18 | Preparation method of elastic ear cloth |
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| CN111674053A CN111674053A (en) | 2020-09-18 |
| CN111674053B true CN111674053B (en) | 2022-04-26 |
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| CN202210462880.9A Active CN114801218B (en) | 2020-06-18 | 2020-06-18 | Preparation method of elastic ear cloth |
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| CN114376800A (en) * | 2022-01-11 | 2022-04-22 | 爹地宝贝股份有限公司 | Paper diaper with openable side waist and preparation method thereof |
| CN114404146A (en) * | 2022-01-20 | 2022-04-29 | 爹地宝贝股份有限公司 | Sanitary trousers and preparation method thereof |
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| CN203154085U (en) * | 2013-03-21 | 2013-08-28 | 广东百顺纸品有限公司 | Disposable moisture-absorbing article with side elastic lugs |
| CN204708044U (en) * | 2015-05-23 | 2015-10-21 | 河南亚都实业有限公司 | A kind of single use medical mask |
| CN207545344U (en) * | 2017-05-18 | 2018-06-29 | 杭州可靠护理用品股份有限公司 | Left and right is attached to the compound shaping mechanism of line on diaper production lines |
| CN206913870U (en) * | 2017-06-03 | 2018-01-23 | 佛山市南海必得福无纺布有限公司 | A kind of shaping unit of longitudinal stretching resilience compound nonwoven cloth |
| CN210120909U (en) * | 2018-12-19 | 2020-03-03 | 康那香企业股份有限公司 | Gauze mask |
| CN109853131A (en) * | 2019-02-19 | 2019-06-07 | 山东恒鹏卫生用品有限公司 | High elongation rate non-woven fabrics and manufacturing method with using non-woven fabrics as the composite material of raw material |
| CN209832865U (en) * | 2019-04-15 | 2019-12-24 | 佛山市甘澍弹性材料科技有限公司 | Production device of longitudinal elastic composite non-woven fabric |
| CN111165984A (en) * | 2020-02-24 | 2020-05-19 | 美佳爽（中国）有限公司 | Preparation method of disposable mask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114801218B (en) | 2024-01-30 |
| CN111674053A (en) | 2020-09-18 |
| CN114801218A (en) | 2022-07-29 |
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