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An apparatus to print on water-soluble film

A technology of water-soluble film and equipment, applied in the field of equipment for printing on water-soluble film, to achieve the effect of space efficiency, constant tension or elongation

Inactive Publication Date: 2017-05-31
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the physical and chemical properties of PVOH-containing films, adjustments to printed patterns that have been printed through several printing stations have been found to be challenging and misalignment between printed portions of the pattern can be observed

Method used

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  • An apparatus to print on water-soluble film
  • An apparatus to print on water-soluble film
  • An apparatus to print on water-soluble film

Examples

Experimental program
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Embodiment Construction

[0013] equipment

[0014] Such as figure 1 As shown, the apparatus 1 comprises a roll 21 of the film to be printed. The film 11 contains polyvinyl alcohol or a copolymer thereof. The film can be unwound from a spindle or a reel. The apparatus may comprise a film unwinder 31 . The equipment may include an automatic splicer 41 . The device may include an accumulator / regulation system 51 for controlling the tension and speed of unwinding. Tension and metering speed can be controlled by using a feed drive roller 61 to feed the printing unit, which may or may not be coupled to a tension measuring load cell in the control loop. The apparatus may include a membrane pretreatment station 70 . A film pre-treatment station may provide corona treatment for improving spreadability and / or deposition of compounds to be printed (eg, dyes or inks). The apparatus includes a rotating drum 110 . The apparatus comprises a printing system 80 for printing on the film. The printing system ...

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PUM

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Abstract

Apparatus for producing a printed film, the apparatus comprising a roll of water-soluble film to be printed, the film comprising a resin comprising polyvinyl alcohol (PVOH) or a copolymer thereof, a rotating drum, a printing system for printing a printed pattern onto the film, the printing system comprising a plurality of separate printing stations arranged on the rotating drum.

Description

technical field [0001] The present invention relates to the field of printing onto water soluble films comprising polyvinyl alcohol (PVOH) resins. Background technique [0002] It is desirable to print on water-soluble films comprising polyvinyl alcohol (PVOH) resins. Printed patterns can be obtained by printing compounds such as inks and dyes to form a printed pattern on the film. In particular, it may be desirable to print the printed pattern from more than one printing station, for example each station printing a different colour. Due to the physical and chemical properties of PVOH-containing films, adjustment of printed patterns that have been printed through several printing stations has been found to be challenging and misalignment between printed portions of the pattern can be observed. Contents of the invention [0003] The inventors have found that efficient printing on water soluble films comprising PVOH resins can be achieved by means of devices according to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F5/24
CPCB41F5/24B41M1/04B41M1/30B41P2200/12B65B9/04B65B61/025C11D17/042
Inventor A·布兰卡M·布兰德-桑兹A·加布里尔
Owner THE PROCTER & GAMBLE COMPANY
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