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Hand-held apparatus for controlling the condition of a circulating band in a papermaking machine

一种手持设备、循环带的技术，应用在造纸机、造纸、纸机湿部等方向，能够解决复杂、笨重成本、不能够手持使用等问题，达到使用简单、重量轻、体积小的效果

Active Publication Date: 2013-09-25
GIUSEPPE CRISTINI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition to being relatively complex, bulky and costly, such devices are not yet capable of handheld use

Method used

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  • Hand-held apparatus for controlling the condition of a circulating band in a papermaking machine
  • Hand-held apparatus for controlling the condition of a circulating band in a papermaking machine
  • Hand-held apparatus for controlling the condition of a circulating band in a papermaking machine

Examples

Experimental program
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Embodiment Construction

[0016] Reference numeral 1 in the attached drawings designates an endless belt W for controlling a paper machine (in particular a cardboard or other process belt running in any section of a paper machine, which belt is only in image 3 Schematically shown in ), the condition of the overall handheld device is specifically controlled by means of the measurements of the permeability and humidity of the belt.

[0017] The term "handheld" means that the device is of a shape, size and weight that is easy for an operator to move and use by hand.

[0018] The device 1 comprises a handheld body 2 , ie a body manually operable by an operator, provided with at least one handle portion 3 grasped by the operator to manually move and manipulate the device 1 .

[0019] The body 2 supports: a humidity measuring device 4; a permeability measuring device 5; a control unit 6, connected to the measuring devices 4, 5 to process signals from the measuring devices 4, 5; a display 7, connected to the...

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PUM

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Abstract

The invention relates to a hand-held apparatus (1) for controlling the condition of a circulating band (W) in a papermaking machine; the apparatus comprises a hand-held body (2) which carries: a moisture measuring device (4), equipped with at least one microwave sensor (15); a permeability measuring device (5), comprising at least one water delivery nozzle (18) and a flowmeter (20) associated with the nozzle (18); and a control unit (6) connected to the measuring devices (4, 5) for processing signals coming therefrom; the body (2) is equipped with at least one handle portion (3) to be grasped by an operator for manually moving and manoeuvring the apparatus (1).

Description

technical field [0001] The invention relates to a handheld device for controlling the condition of an endless belt in a paper machine. Background technique [0002] As is known, in conventional paper machines an endless belt (also called "mat") is used along an endless path, by means of which the formed paper is transported and processed. [0003] Generally, each section of a paper machine has a specific type of belt. [0004] In which case, it is important to assess the condition of the belt in addition to those of the material being transported on it, since the physical characteristics of the belt's moisture content and water permeability affect the quality of the paper. [0005] It is known, for example as disclosed in patent US7506550, to evaluate the condition of a belt running on a paper machine by means of devices measuring the permeability and moisture of the belt itself. The apparatus described in US7506550 comprises some permeability and moisture measuring device...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F1/32D21G9/00G01M3/02G01N15/08G01N22/00
CPCD21F1/32D21G9/0027D21G9/0036G01N22/04D21G9/0009
Inventor 卢卡·卡纳利乔维尼·克里斯蒂尼
Owner GIUSEPPE CRISTINI
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