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Method for punching nonmetal elastic material

An elastic material, non-metal technology, applied in the cutting of textile materials, metal processing, textiles and papermaking, etc., can solve the problems of increased air permeability, inability to effectively control the air permeability, and become larger, and achieve the effect of stable air permeability.

Active Publication Date: 2018-10-12
TIANJIN FUQIN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If holes are directly drilled on the non-metallic elastic material, as the non-metallic elastic material expands, the holes will become larger and the air flow will also increase, so the air flow cannot be effectively controlled

Method used

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  • Method for punching nonmetal elastic material
  • Method for punching nonmetal elastic material
  • Method for punching nonmetal elastic material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 with figure 2 Shown: This embodiment provides a method for punching holes in a non-metal elastic material. The non-metal elastic material 1 can be one layer or a composite multi-layer, preferably an air-impermeable or slightly air-permeable water-repellent material film or a The composite material of water material film and non-woven fabric, the water repellent material film is preferably made of PP material, PA material, PVC material, EVA material, PU material, TPU material, PET material, PE material, polyester material or nylon material etc. The non-woven fabric is preferably polypropylene (PP) non-woven fabric, polyester (PET) non-woven fabric, nylon (PA) non-woven fabric, viscose non-woven fabric, acrylic non-woven fabric, and polyethylene (HDPE) non-woven fabric At least one of cloth or PVC non-woven fabric. Before perforating, it is necessary to form inelastic area 2 on the non-metal elastic material 1, and then perforate in the inelastic area 2. ...

Embodiment 2

[0029] Such as figure 1 with image 3 Shown: The difference between this embodiment and embodiment 1 is that a non-elastic sheet 4 and a non-metal elastic material 1 are fixedly connected using a hot melt method, a high frequency welding method, an ultrasonic welding method, or an adhesive method. After the sheet 4 and the non-metal elastic material 1 are stably connected, the non-elastic sheet 4 becomes the non-elastic area 2, and then the non-elastic sheet 4 can be punched through the non-metal elastic material 1 at the same time. Of course, it is also possible to make a prefabricated hole in the non-elastic sheet 4, and then make the said hole 3 in the non-metal elastic material 1 through the prefabricated hole. Other technical features and technical effects are the same as those of Embodiment 1, and will not be repeated here.

[0030] In the present invention, an inelastic region 2 is provided on the non-metal elastic material 1 by using a hot melt method, a high frequency w...

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PUM

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Abstract

The invention discloses a method for punching a nonmetal elastic material. According to the method, a nonelastic area is formed on the nonmetal elastic material and punching is carried out in the nonelastic area. As the nonelastic area is not deformed along with extension of the nonmetal elastic material, the shape and size of holes in the nonelastic area are effectively ensured, and the permeation volume of the nonmetal elastic material can be relatively stable.

Description

Technical field [0001] The present invention relates to the technical field of processing films and non-woven fabrics, in particular to a method for perforating non-metal elastic materials. Background technique [0002] Non-metal elastic materials are represented by films and non-woven fabrics. They are widely used in the field of daily necessities. They are usually used to make clothing, facial masks, sanitary products, diapers, and warm stickers. The self-heating products represented by warm stickers and heating masks require higher air permeability of films and non-woven fabrics. This self-heating product is a mixture of iron powder, activated carbon, inorganic salt, and water. The oxidative exothermic reaction releases heat, and its air permeability cannot be too high or too low. If the air permeability is too high, the heating element will react too quickly, and the temperature is too high, which may cause burns to the skin, and the fever cycle is short, and the air permeabi...

Claims

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Application Information

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IPC IPC(8): B26D7/08B26D7/10B26F1/24D06H7/00
CPCB26D7/08B26D7/10B26F1/24D06H7/00
Inventor 刘宇新
Owner TIANJIN FUQIN SCI & TECH