ECSP961864A - DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS - Google Patents

DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS

Info

Publication number
ECSP961864A
ECSP961864A ECSP961864A ECSP961864A EC SP961864 A ECSP961864 A EC SP961864A EC SP961864 A ECSP961864 A EC SP961864A EC SP961864 A ECSP961864 A EC SP961864A
Authority
EC
Ecuador
Prior art keywords
openings
support piece
peaks
valleys
centerline
Prior art date
Application number
Other languages
Spanish (es)
Inventor
William A James
Stephen Breitkopf
William G Kelly
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 filed Critical
Priority to ECSP961864 priority Critical patent/ECSP961864A/en
Publication of ECSP961864A publication Critical patent/ECSP961864A/en

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Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Laser Beam Processing (AREA)

Abstract

El invento se refiere asi: piezas de soporte y método para formar piezas de soporte para utilizar en la producción de telas no tejidas, especialmente telas no tejidas de tipo tricot, y peliculas. Una pieza de soporte topográfico incluye un cuerpo que tiene una superficie superior que comprende un patrón formado por una pluralidad de picos y valles y una pluralidad de aberturas. Las aberturas tienen una porción superior cónica rodeada por un grupo de picos y valles. La distancia de linea central a linea central de las aberturas adyacentes es menor que el diámetro mayor de la porción superior cónica de las aberturas. La distancia de linea central a linea central de las aberturas adyacentes es menor que el diametro mayor de la porción superior cónica de las aberturas. La pieza de soporte topográfico está formado en un proceso desenfocado enfocando un rayo láser de manera que el punto focal está debajo de la superficie superior de uan pieza de trabajo en bruto y perforando con el rayoláser de maera que el punto focal está debajo de la superficie superior de una pieza de trabajo en bruto y perforando con el rayo láser el diseño predeterminado de abertura ahusadas. El patrón de aberturas ahusadas forma el grupo de picos y valles que rodean cada abertura en la superficie superior de la pieza de soporte resultante. Se forma una pieza de soporte de superficie plana y lisa enfocando el rayo láser a la altura de la superficie superior de la pieza o regulando la distancia de linea central a linea central de las aberturas formadas por el proceso desenfocado para que no se formen picos ni valles. Se puede formar una pelicula perforada o tela no tejida utilizando la pieza de soporte de superficie lisa.The invention thus relates to: support parts and method for forming support parts for use in the production of non-woven fabrics, especially non-woven fabrics of the knitted type, and films. A topographic support piece includes a body having an upper surface comprising a pattern formed by a plurality of peaks and valleys and a plurality of openings. The openings have a conical upper portion surrounded by a group of peaks and valleys. The centerline to centerline distance of adjacent openings is less than the largest diameter of the conical top portion of the openings. The centerline to centerline distance of adjacent openings is less than the largest diameter of the conical top portion of the openings. The topographic support piece is formed in an unfocused process by focusing a laser beam so that the focal point is below the top surface of a rough workpiece and drilling with the laser beam so that the focal point is below the surface top of a rough workpiece and laser drilling the default tapered opening design. The tapered opening pattern forms the group of peaks and valleys surrounding each opening on the top surface of the resulting support piece. A flat and smooth surface support piece is formed by focusing the laser beam at the height of the top surface of the piece or adjusting the distance from center line to center line of the openings formed by the unfocused process so that no peaks or valleys. A perforated film or non-woven fabric can be formed using the smooth surface support piece.

ECSP961864 1996-08-30 1996-08-30 DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS ECSP961864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP961864 ECSP961864A (en) 1996-08-30 1996-08-30 DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP961864 ECSP961864A (en) 1996-08-30 1996-08-30 DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS

Publications (1)

Publication Number Publication Date
ECSP961864A true ECSP961864A (en) 1997-11-20

Family

ID=42042590

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP961864 ECSP961864A (en) 1996-08-30 1996-08-30 DRILLING PROCESS WITH LASER TO MANUFACTURE DEVICES TO FORM FABRICS AND FILMS

Country Status (1)

Country Link
EC (1) ECSP961864A (en)

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