BRPI0705873A2 - A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven - Google Patents

A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven

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Publication number
BRPI0705873A2
BRPI0705873A2 BRPI0705873A BRPI0705873A2 BR PI0705873 A2 BRPI0705873 A2 BR PI0705873A2 BR PI0705873 A BRPI0705873 A BR PI0705873A BR PI0705873 A2 BRPI0705873 A2 BR PI0705873A2
Authority
BR
Brazil
Prior art keywords
woven
tnt
weight
capacitive sensor
distance
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Erlon Mauricio Guzella
Original Assignee
Erlon Mauricio Guzella
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Erlon Mauricio Guzella filed Critical Erlon Mauricio Guzella
Priority to BRPI0705873 priority Critical patent/BRPI0705873A2/en
Publication of BRPI0705873A2 publication Critical patent/BRPI0705873A2/en

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  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PROCESSO E DISPOSITIVO PARA MEDIR CONTINUAMENTE A GRAMATURA DE FALSOS TECIDOS CHAMADOS DE TNT (TECIDO-NãO-TECIDO) OU NON-WOVEN. A presente invenção refere-se a um processo e equipamento para medição da gramatura de tecidos TNT de matéria plástica, de maneira contínua e sem contato, com o uso de um sensor capacitivo. Essa medição pode ser feita de 3 maneiras; com o uso de um anteparo metálico fixo (3), cuja distância até o sensor capacitivo é fixa; outra maneira, é com o uso de um anteparo metálico não-uniforme (6) cuja distância até o sensor capacitivo não é fixa ao longo da largura do filme, sendo essa distância medida constantemente por um sensor eddy-current (9). Esta distância medida serve para re-calibração constante da fórmula que relaciona a capacitância medida com a gramatura do tecido. A terceira modalidade de medição é com o uso somente de um sensor capacitivo (12), encostado ou quase encostado ao tecido TNT sem o uso de nenhum anteparo metálico.PROCESS AND DEVICE FOR CONTINUOUSLY MEASURING THE GRAMATURE OF FAKE FABRICS CALLED TNT (NON-WOVEN) OR NON-WOVEN. The present invention relates to a process and equipment for measuring the weight of continuous plastic, non-contact TNT fabrics using a capacitive sensor. This measurement can be done in 3 ways; using a fixed metal shield (3), the distance of which to the capacitive sensor is fixed; another way is by using a non-uniform metallic shield (6) whose distance to the capacitive sensor is not fixed along the width of the film, this distance being constantly measured by an eddy-current sensor (9). This measured distance is for constant re-calibration of the formula relating the measured capacitance to the weight of the fabric. The third mode of measurement is the use of only a capacitive sensor (12) touching or nearly touching the TNT fabric without the use of any metal shields.

BRPI0705873 2007-11-19 2007-11-19 A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven BRPI0705873A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0705873 BRPI0705873A2 (en) 2007-11-19 2007-11-19 A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0705873 BRPI0705873A2 (en) 2007-11-19 2007-11-19 A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven

Publications (1)

Publication Number Publication Date
BRPI0705873A2 true BRPI0705873A2 (en) 2009-07-21

Family

ID=40873683

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0705873 BRPI0705873A2 (en) 2007-11-19 2007-11-19 A process and device for continuously measuring the weight of false fabrics called tnt (nonwoven) or non-woven

Country Status (1)

Country Link
BR (1) BRPI0705873A2 (en)

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE AS 3A E 4A ANUIDADES.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2161 DE 05/06/2012.