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Device for applying adhesive material and method for operating such device

A bonding material and coating technology, which is applied to the device for coating liquid on the surface, the adhesive used for binding, book binding, etc., can solve the problem that the level of bonding material is not kept constant

Active Publication Date: 2017-04-26
MULLER MARTINI HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] A problem with back gluing by nozzle application systems with slides in the adhesive chamber is that the adhesive level does not remain constant when the product thickness varies

Method used

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  • Device for applying adhesive material and method for operating such device
  • Device for applying adhesive material and method for operating such device
  • Device for applying adhesive material and method for operating such device

Examples

Experimental program
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Embodiment Construction

[0031] The adhesive application device 100 has an adhesive application nozzle 1 which carries an adhesive application head 2 with a nozzle slot 3 through which adhesive 19 is delivered to the book block 22. 4 on the back of the book block. The book block 22 is here held by a gripper 23 and moved in the transport direction T past the adhesive application device 1 . Depending on the thickness 5 of the book block to be glued, the nozzle gap 3 is opened or closed by means of a first slide 6 . The slide has a defined cross section 7 and provides space for a defined amount of adhesive material 9 via a corresponding opening width 8 which corresponds to the book block thickness 5 .

[0032] By a premelter 18 - such as figure 1 As shown in , the melted bonding material 19 is pumped by means of the pump 20 via the hot hose 14 to the first closed valve 15 and back into the premelter via the hot hose 16 . As soon as the adhesive material is to be applied to the book back 5 , the valve ...

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PUM

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Abstract

The apparatus has an application nozzle (1) for applying adhesive to a book block spine (4). The application nozzle is line-connected to an adhesive supplying system. The application nozzle comprises a chamber (10) for providing adhesive and arranged adjacent to the nozzle opening, and another chamber (12) is arranged between a nozzle opening (3) and the supplying system. A slide (6) is arranged in a region of the former chamber for changing width (8) of the chamber, and another slide (11) is arranged in a region of another chamber for changing the volume (21) of the latter chamber. An independent claim is also included for a method for adapting an adhesive application nozzle.

Description

technical field [0001] The invention relates to a device for applying adhesive material, a method for adapting an adhesive material application nozzle and a further device for applying adhesive material. Background technique [0002] In the production of books by means of the glue binding process, the adhesive material is applied to the back of the book either by means of a roll applicator or alternatively by means of an applicator nozzle. The adhesive here is a dispersion adhesive, a melt adhesive or a dispersion-melt adhesive combination. Here, the adhesive polyurethane (abbreviation: PUR) has proven itself in recent years to be a fusion adhesive with particularly good tear strength of the pages and particularly advantageous properties for the 180° book block coating, the so-called lay-flat behavior. the result of. The bonding material can also be advantageously applied to poorer paper qualities, such as coated papers, where the percentage of coating constituents exceeds...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B42C9/00
CPCB05C5/0204B05C5/0258B05C5/0266B05C11/1002B05C11/1047B42C9/0006
Inventor J·克内费尔F·佐梅雷尔M·施特拉斯布格尔
Owner MULLER MARTINI HLDG
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