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Device for coating liquid, which is such as adhesive agent, especially hot melt adhesive

A liquid and coating technology, applied to a device for coating liquids, such as adhesives, especially in the field of hot melt adhesives, which can solve the problems of expensive and troublesome operations, and achieve the effect of avoiding flow variables

Inactive Publication Date: 2012-12-19
NORDSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This operation is relatively expensive and cumbersome

Method used

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  • Device for coating liquid, which is such as adhesive agent, especially hot melt adhesive
  • Device for coating liquid, which is such as adhesive agent, especially hot melt adhesive
  • Device for coating liquid, which is such as adhesive agent, especially hot melt adhesive

Examples

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Embodiment Construction

[0026] figure 1 The device 10 shown in is used to apply a liquid, such as an adhesive, especially a hot melt, to a substrate that is movable relative to the device 10 in the direction of the arrow 72 shown. The device comprises an electropneumatically operated delivery valve 22 connected to the base body 12 . On one side of the base body 12, the nozzle device 70 is detachably fixed by means of a screw connection 44 and is centered with a screw 48 ( figure 2 ). The nozzle assembly consists of two building blocks 50 and 52 . The device 10 can be connected via a conduit 20 to a source of liquid, not shown. The device 10 is supplied with electrical energy via the connecting element 36 . The device 10 can be fixed in its position by means of the fixing element 38 .

[0027] The electrically operable delivery valve 22 has an electrical connection 82 and a compressed gas connection 80 , by means of which a compressed gas source (not shown) can be connected. In this way, it is ...

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Abstract

Device for applying hot-melt type adhesive comprises a nozzle opening communicating with a distribution channel using a number of outlet channels spaced from each other. Preferred Features: The fluid stream is interrupted or released through the outlet channels using a plunger (16). The distribution channel, the outlet channels and the nozzle opening are arranged in a nozzle arrangement (70) separated by a base body (12). The outlet channels are formed by recesses on the corresponding surface of one partial block (50, 52) of the nozzle arrangement.

Description

technical field [0001] The invention relates to a device for applying a liquid, such as an adhesive, especially a hot melt adhesive, to a substrate, the substrate being movable relative to the device, the device having a base and a device for selectively interrupting or releasing Delivery valve for liquid flow, wherein the base body can be connected to a liquid source and has a slot-shaped nozzle opening communicating with the dispensing channel and a piston movable in the dispensing channel, by means of which the length of the distributing channel that can be loaded with liquid can be changed. Background technique [0002] Devices of this type are often also described as applicator heads and are intended to be used, for example, for the thin application of liquid adhesives, such as hotmelts, to film-like or layered substrates, such as signage. Flowable adhesives are typically prepared in a liquid source, such as a hot melter. The liquid source is connected to the base of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05C5/00B05C11/10B05C11/02
CPCB05C5/0229B05C5/0279
Inventor 凯·吕布克托马斯·布尔梅斯特赫伯特·屈夫纳
Owner NORDSON CORP
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