ES486917A1 - Procedimiento para la produccion de mascaras faciales dese- chables - Google Patents

Procedimiento para la produccion de mascaras faciales dese- chables

Info

Publication number
ES486917A1
ES486917A1 ES486917A ES486917A ES486917A1 ES 486917 A1 ES486917 A1 ES 486917A1 ES 486917 A ES486917 A ES 486917A ES 486917 A ES486917 A ES 486917A ES 486917 A1 ES486917 A1 ES 486917A1
Authority
ES
Spain
Prior art keywords
cushion
heated
blowing agent
mask
gas
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
Application number
ES486917A
Other languages
English (en)
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.)
Airco Inc
Original Assignee
Airco Inc
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 Airco Inc filed Critical Airco Inc
Publication of ES486917A1 publication Critical patent/ES486917A1/es
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4807—Headwear
    • B29L2031/4835—Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Procedimiento para la producción de máscaras faciales desechables, del tipo que se conforman a las características anatómicas del paciente y que comprenden una almohadilla moldeada por inyección de material plástica resiliente que tiene una densidad específica entre O,5 y 0,8 fijándose dicha almohadilla a un cono termoplástico semi-rígido; caracterizado porque comprende las etapas de: (a) combinar y mezclar uniformemente entre sí, en una proporción predeterminada, un compuesto de moldeo plástico y un agente expansionarte; (b) calentar la mezcla combinada de la etapa (a) para plastificar el compuesto y causas la liberación de gas del agente expansionarte; (c) moldear por inyección el compuesto mezclado calentado en un molde que tiene una cavidad en la configuración de la almohadilla de máscara deseada; (d) controlar la ventilación del molde durante la etapa de inyección; (e) enfriar el compuesto moldeado para causar su solidificación; (f) separar la almohadilla así formada del molde; y (g) fijar la almohadilla a un cono semi-rígido para producirla máscara facial completa.
ES486917A 1978-12-15 1979-12-14 Procedimiento para la produccion de mascaras faciales dese- chables Expired ES486917A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97003978A 1978-12-15 1978-12-15

Publications (1)

Publication Number Publication Date
ES486917A1 true ES486917A1 (es) 1980-06-16

Family

ID=25516343

Family Applications (1)

Application Number Title Priority Date Filing Date
ES486917A Expired ES486917A1 (es) 1978-12-15 1979-12-14 Procedimiento para la produccion de mascaras faciales dese- chables

Country Status (6)

Country Link
AU (1) AU518083B2 (es)
CA (1) CA1133214A (es)
ES (1) ES486917A1 (es)
FR (1) FR2443918A1 (es)
GB (1) GB2038703B (es)
ZA (1) ZA796399B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8603558D0 (en) * 1986-02-13 1986-03-19 Lifeline Ltd Face mask
KR890004853A (ko) * 1986-09-19 1989-05-10 쇼오다 간 발포제품의 사출성형 방법
CA2019533A1 (en) * 1989-11-09 1991-05-09 William H. Hollister Face mask and face mask components
US5785910A (en) * 1993-04-30 1998-07-28 Kabushiki Kaisha Komatsu Seisakusho Method for manufacturing laminate-molded products and apparatus therefor
GB0002805D0 (en) * 2000-02-08 2000-03-29 Smiths Industries Plc Masks and their manufacture
WO2003016018A1 (en) * 2001-08-17 2003-02-27 Intersurgical Limited Anatomical mask
US20030168063A1 (en) * 2002-03-08 2003-09-11 Gambone Anthony Joseph Pressure face mask and nasal mask
DE102005033650B4 (de) * 2005-07-19 2017-06-14 Resmed R&D Germany Gmbh Atemmaskeneinrichtung und Verfahren zur Herstellung derselben
AU2012244359B2 (en) * 2005-07-19 2013-09-19 Resmed Limited Respiratory Mask and Method for Manufacturing a Respiratory Mask
EP3204099B1 (en) * 2014-10-10 2022-03-02 ResMed Pty Ltd Foam cushion respiratory apparatus
CN109774053B (zh) * 2019-03-07 2019-11-15 山西纳安健康科技有限公司 一种面膜加工系统及面膜加工方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625155A (en) * 1950-12-11 1953-01-13 Arthur E Engelder Face mask
GB920216A (en) * 1959-08-27 1963-03-06 Eileen Mary Catterall Improvements in face masks for administering oxygen or other gases
FR1576082A (es) * 1961-07-12 1969-07-25
DE6933867U (de) * 1969-08-28 1970-06-11 Huels Chemische Werke Ag Spritzgiessform fuer treibmittelhaltige thermoplaste
CH512987A (de) * 1969-09-04 1971-09-30 Buehler Ag Geb Verfahren und Vorrichtung zum Spritzgiessen von Kunststoff zu geschäumten Gegenständen
GB1360632A (en) * 1972-01-06 1974-07-17 Roberts Ltd S F Face masks
NL7314357A (es) * 1972-10-24 1974-04-26
SE382388B (sv) * 1973-12-19 1976-02-02 Gnosjoeplast Ab Andningsmask, serskilt for konstgjord andning

Also Published As

Publication number Publication date
FR2443918B1 (es) 1983-08-26
CA1133214A (en) 1982-10-12
GB2038703B (en) 1983-02-09
ZA796399B (en) 1980-11-26
AU518083B2 (en) 1981-09-10
GB2038703A (en) 1980-07-30
AU5311379A (en) 1980-06-19
FR2443918A1 (fr) 1980-07-11

Similar Documents

Publication Publication Date Title
ES486917A1 (es) Procedimiento para la produccion de mascaras faciales dese- chables
DE69703747D1 (de) Herstellung nach bedarf von schaumkissen mit definierter dreidimensionalen geometrie
ES439232A1 (es) Procedimiento para moldear articulos termoplasticos de espu-ma.
JPS5738711A (en) Manufacture of slow-release medicinal composition
CA2053194A1 (en) Method for producing polypropylene resin article having skin material lined with foamed layer
IE903970A1 (en) Face mask and face mask components
DE69315578D1 (de) Verfahren zur herstellung von arzneiformulierungen
GB1514574A (en) Process for making composite moulded foam articles
GB1154912A (en) Manufacture of Moulded Articles of Plastics Material
MY109220A (en) Slow-releasing medicated resin moldings and process for producing the same
ES439409A1 (es) Un procedimiento para la fabricacion de neumaticos con mez- clas diferenciadas.
FR2443324A1 (fr) Dispositif permettant le moulage et le demoulage de produits divers
GB2243324A (en) Prosthesis production
DE68911647D1 (de) Verfahren zur Herstellung hohler elastischer Körper, insbesondere von Bällen und ähnlichen Objekten sowie auf diese Weise hergestellte Bälle.
JPS56146735A (en) Manufacture of heat-insulating case
GB1180833A (en) A Method for Producing a Moulded Article, in Particular a Shoe Sole.
JPS57178812A (en) Mold for molding plastic
JPS564998A (en) Manufacture of edge for speaker diaphragm
US4937023A (en) Method for manufacturing masks for fancy dresses or the like
GB1182104A (en) Production of Moulded Articles from Polyurethane
GB964688A (en) Improvements in the manufacture of orthopaedic foot supports
JPS5597940A (en) Molding method of and apparatus for linked molding
JPS5698120A (en) Manufacture of resin press molding
JPS56159132A (en) Manufacture of defoamed belt and sheet
CS185863B1 (en) Method of preparing hydrophilic fillers for plastics and rubber