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Method and device for applying adhesive threads and points to a substrate, web of material comprising a fleece and a layer composed of adhesive threads, and products made therefrom

A coating and glue line technology, applied in the field of coating glue lines on the substrate, can solve problems such as excessive glue

Active Publication Date: 2008-10-29
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In spray application, this leads to narrow strips and excess glue in the edge areas where the glue is applied

Method used

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  • Method and device for applying adhesive threads and points to a substrate, web of material comprising a fleece and a layer composed of adhesive threads, and products made therefrom
  • Method and device for applying adhesive threads and points to a substrate, web of material comprising a fleece and a layer composed of adhesive threads, and products made therefrom
  • Method and device for applying adhesive threads and points to a substrate, web of material comprising a fleece and a layer composed of adhesive threads, and products made therefrom

Examples

Experimental program
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Embodiment Construction

[0034] As seen in Figures 1 to 3, a compact glue line coating device comprises a drive motor 12 (omitted in Figure 3), a transmission 14, a heating unit 16, a rotatable coating head 18, for A glue unit 20, and a valve fitting 22 for feeding glue such as hot melt and cold glue to the glue applicator head.

[0035] In the preferred illustrated embodiment of this aspect, the drive motor 12 is supported on the housing top side of the glue supply unit 20 by means of a support member 13 such as a chassis 13A and a support or spacer 13B, and the chassis 13A is on the glue supply unit. Prominent sideways. In this way, the drive shaft 15 , which is pluggably connected to the drive motor 12 , passes by the glue supply unit 20 and is guided to the transmission 14 . The transmission device 14 screwed on the side wall of the glue supply unit 20 is responsible for transmitting the torque of the drive shaft 15 made of solid material to the hollow shaft rod 18B (see Figure 4A to 4C), so tha...

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Abstract

The invention relates to a device for applying adhesive threads to a substrate (30). Said device comprises an rotatable application head (18) encompassing at least one adhesive discharge nozzle (18A) located at a radial distance (b) from the axis of rotation (18D) of the application head (18), a shaft (18B), and at least one adhesive supply duct (18C) which extends from an adhesive supply unit (20) to the at least one adhesive discharge nozzle (18A) via the shaft (18B). A rotary drive unit (12, 15, 14) rotates the application head (18) about the shaft (18B) thereof while an adhesive supply unit (20) and / or a valve assembly (22) control / s impingement of the adhesive supply duct (18C) of the application head (18) with adhesive. The invention further relates to a method for applying adhesive threads to a substrate as well as products made therefrom.

Description

technical field [0001] The present invention relates to a method and apparatus for applying a glue line to a substrate. The invention also relates to a material web with a glue-strand fabric and a glue-strand coating. The invention also relates to products made from such nets. The invention can be used in many technical fields, such as immobilization of powders on substrates such as filter paper or cloth, asbestos coatings, sanitary products such as diapers and sanitary napkins, multilayer lamination of textiles, as anti-slip coating Carpet coating of dressings, paper bonding such as paper towels, toilet paper or napkins, and many other fields. Background technique [0002] It is known to make thin and very thin glue lines in such a way that liquid glues like hot melt adhesives and sol glues are extruded through the nozzle duct. At the outlet of the relatively large-diameter glue line duct, the extension and coiling of the glue line in the longitudinal direction takes pla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H3/05
CPCB05C5/001B05C5/0275
Inventor 迈克尔·布鲁内约瑟夫·罗滕
Owner ILLINOIS TOOL WORKS INC
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