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Fiber structure manufacturing apparatus, method of manufacturing fiber structure, and fiber structure

A technology of a manufacturing device and a manufacturing method, applied in the field of fiber structure manufacturing devices, can solve the problems of lack of strength, deviation of conveying accuracy and the like

Active Publication Date: 2021-11-26
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, due to variations in conveying accuracy or set conveying specifications, regions that are not subjected to pressurization may occur at the seams of the pressurization performed by the flat press machine. As a result, This leads to the problem that strength deficiency sometimes occurs in the produced fiber structure

Method used

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  • Fiber structure manufacturing apparatus, method of manufacturing fiber structure, and fiber structure
  • Fiber structure manufacturing apparatus, method of manufacturing fiber structure, and fiber structure
  • Fiber structure manufacturing apparatus, method of manufacturing fiber structure, and fiber structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] figure 2 As Example 1, a case where L1 figure 2 The upper part of , sequentially shows the case where the pressurization by the lower plate 101 and the upper plate 102 and the conveyance by the distance L1 are alternately performed.

[0078] Since L10.

Embodiment 2

[0080] image 3 As Example 2, L2×2 image 3 The example shows the implementation relative to figure 2 In the example 1 shown, the pitch L1 is transported at half the pitch L2. In addition, in image 3 In , only the fibrous web Pw subjected to pressurization and conveyance sequentially after the second time is shown.

[0081] Since L2×20.

Embodiment 3

[0083] Figure 4 As Example 3, L3×3 Figure 4 The example shows the implementation relative to figure 2 Example 1 is shown in the case of conveying with a pitch L1 that is one-third of its pitch L3. In addition, in Figure 4 In , only the fibrous web Pw subjected to pressurization and conveyance sequentially after the second time is shown.

[0084] Since L3×30.

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PUM

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Abstract

The invention provides a fiber structure manufacturing apparatus, a method for manufacturing the fiber structure, and a fiber structure. The fiber structure manufacturing apparatus (1) includes: an accumulation portion (60) that accumulates a material containing a resin and a fiber in air to generate a fiber web (Pw); a transport portion (120) that transports the generated fiber web in a transport direction; and a heating and pressurizing portion (100) that pressurizes the transported fiber web (Pw) with a heated lower flat plate (101) and an upper flat plate (102) to melt the resin, in which a liquid absorbent (Po) having a first region (P1) where pressurization by the heating and pressurizing portion is performed the predetermined number of times and a second region (P2) where the pressurization is performed more than a predetermined number of times is formed by alternately repeating transport at a predetermined pitch shorter than a length of the flat plate in the transport direction by the transport portion (120) and the pressurization.

Description

technical field [0001] The present invention relates to a fiber structure manufacturing device, a fiber structure manufacturing method, and a fiber structure. Background technique [0002] Patent Document 1 describes a fibrous structure manufacturing apparatus as a sheet manufacturing apparatus including a defibrating unit, a supply unit, a stacking unit, and a heating unit. During defibration, the supply unit supplies additives including resin to the defibrated product subjected to defibration treatment, the accumulation unit accumulates these defibrated products and additives, and the heating unit passes through a plate-shaped press And the stacked tablets are clamped and heated. According to this manufacturing device, since the tablet accumulated in the accumulation unit is clamped and heated by the flat press, the fiber and resin of the tablet are not crushed in a state facing one direction, Accordingly, a sheet without anisotropy can be formed as a fibrous structure. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21B1/06D21B1/08B29C43/14D04H1/558
CPCD21B1/06D21B1/08D04H1/558B29C43/14D04H1/425D04H1/4274D04H1/732D04H1/60D04H1/655D04H1/645D21G1/00D21F9/00D06H7/02D06M10/00
Inventor 依田兼雄永井芳之宫阪洋一浦野信孝
Owner SEIKO EPSON CORP