ES2021978A6 - Portafiltros para mascaras antigas. - Google Patents

Portafiltros para mascaras antigas.

Info

Publication number
ES2021978A6
ES2021978A6 ES9000769A ES9000769A ES2021978A6 ES 2021978 A6 ES2021978 A6 ES 2021978A6 ES 9000769 A ES9000769 A ES 9000769A ES 9000769 A ES9000769 A ES 9000769A ES 2021978 A6 ES2021978 A6 ES 2021978A6
Authority
ES
Spain
Prior art keywords
air
filter holder
filter
membrane
openings
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
ES9000769A
Other languages
English (en)
Inventor
Borrell Ignacio Vallcorba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Llorca Proteccion Laboral S A
Original Assignee
Llorca Proteccion Laboral S A
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 Llorca Proteccion Laboral S A filed Critical Llorca Proteccion Laboral S A
Priority to ES9000769A priority Critical patent/ES2021978A6/es
Publication of ES2021978A6 publication Critical patent/ES2021978A6/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

PORTAFILTROS PARA MASCARAS ANTIGAS, DEL TIPO CONSTITUIDO POR UN DISPOSITIVO TUBULAR AL QUE SE LE ACOPLA EL FILTRO O EQUIPO AUTONOMO PERTINENTES, CARACTERIZADO PORQUE, A DIFERENCIA DE LOS CONOCIDOS QUE SOLO INCORPORAN EL PASO DE ENTRADA DE AIRE O COMO MAXIMO TAMBIEN EL DE SALIDA, EL PRESENTE PORTAFILTROS INCORPORA A AMBOS PASOS Y TAMBIEN A LA MEMBRANA FONICA (9), ESTANDO ESTA INTERPUESTA EN EL PASO DE SALIDA DE AIRE Y PRESENTANDO LA MISMA Y SU SOPORTE PROTECTOR (21) SENDAS ABERTURAS COINCIDENTES (10, 22) PARA LA SUSODICHA SALIDA DEL AIRE, SIN QUE LA POSICION DE LA PERTINENTE VALVULA (25) QUE CERRARA O ABRIRA DICHAS ABERTURAS INCIDA EN LA CIRCULACION DEL SONIDO, YENDO DICHA MEMBRANA FIJADA A SU SOPORTE (21) POR SUS BORDES, TANTO EL PERIFERICO EXTERIOR COMO EL DE SU ABERTURA (10), A TRAVES DE TERMOSOLDADURA Y SIN NINGUN OTRO ADITAMENTO.
ES9000769A 1990-03-15 1990-03-15 Portafiltros para mascaras antigas. Expired - Fee Related ES2021978A6 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9000769A ES2021978A6 (es) 1990-03-15 1990-03-15 Portafiltros para mascaras antigas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9000769A ES2021978A6 (es) 1990-03-15 1990-03-15 Portafiltros para mascaras antigas.

Publications (1)

Publication Number Publication Date
ES2021978A6 true ES2021978A6 (es) 1991-11-16

Family

ID=8266427

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9000769A Expired - Fee Related ES2021978A6 (es) 1990-03-15 1990-03-15 Portafiltros para mascaras antigas.

Country Status (1)

Country Link
ES (1) ES2021978A6 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12042675B2 (en) 2018-06-01 2024-07-23 Avon Polymer Products Limited Speech diaphragm module for a respirator mask

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12042675B2 (en) 2018-06-01 2024-07-23 Avon Polymer Products Limited Speech diaphragm module for a respirator mask

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991201