GB365347A - Process for the manufacture of respiratory masks - Google Patents

Process for the manufacture of respiratory masks

Info

Publication number
GB365347A
GB365347A GB3696/31A GB369631A GB365347A GB 365347 A GB365347 A GB 365347A GB 3696/31 A GB3696/31 A GB 3696/31A GB 369631 A GB369631 A GB 369631A GB 365347 A GB365347 A GB 365347A
Authority
GB
United Kingdom
Prior art keywords
mould
respiratory masks
manufacture
rubber
impermeabilizing
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
GB3696/31A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB365347A publication Critical patent/GB365347A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

Respiratory masks are made by placing superposed alternate layers of fabric, for example linen or stockinette, and impermeabilizing material, for example unvulcanized sheet rubber, in a mould and combining them after moulding, as by heating, in the mould to soften and vulcanize the rubber.ALSO:Respiratory masks are made by placing superposed alternate layers of fabric, for example linen or stockinette, and impermeabilizing material, for example unvulcanized sheet rubber, in a mould and combining them after moulding, as by heating in the mould to soften and vulcanize the rubber.
GB3696/31A 1930-03-05 1931-02-05 Process for the manufacture of respiratory masks Expired GB365347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE365347X 1930-03-05

Publications (1)

Publication Number Publication Date
GB365347A true GB365347A (en) 1932-01-21

Family

ID=6317575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3696/31A Expired GB365347A (en) 1930-03-05 1931-02-05 Process for the manufacture of respiratory masks

Country Status (1)

Country Link
GB (1) GB365347A (en)

Similar Documents

Publication Publication Date Title
GB365347A (en) Process for the manufacture of respiratory masks
GB484929A (en) Improved perforated rubber sheeting and method of producing the same
GB412340A (en) Improvements in or relating to goods of india-rubber or the like or in which india-rubber or the like is a constituent material, such goods, for example, being hot water bottles, and the manufacture thereof
FR827950A (en) Perforated rubber sheet and its manufacturing process
GB358997A (en) Improvements in or relating to life-saving jackets
GB356178A (en) Improvements in inflatable articles
GB408562A (en) Articles containing rubber and provided with ornamental patterns
GB421902A (en) Improvements in rubber mats, signs or the like
GB453234A (en) A new or improved felt-like material and a method of manufacturing and using such material
GB295497A (en) Improvements relating to lawn tennis and like balls
GB340173A (en) Process for the production of laces with soft rubber tags
GB278192A (en) Improvements in and relating to the manufacture of rubber articles
ES88569A1 (en) Procedure for preparing and pressing plastic material in mold dams, according to the device described.
GB498266A (en) Improvements in or relating to methods of manufacturing sponge rubber
AU1509033A (en) Process and apparatus for the production of semi-finished products and finished articles of fabric, which are trimmed (provided) with rubber sheets shaped in any desired manner
GB215903A (en) Improved process for imparting ornamental designs to rubber goods
GB305190A (en) Inflatable hollow rubber bodies and process for the production thereof
GB341143A (en) Improvements in and relating to the manufacture of pneumatic tyre covers
GB527736A (en) Improvements in the production of gas-expanded rubber material or rubber-like material
GB346894A (en) Improvements in or relating to vulcanizing india rubber or the like
ES127955A3 (en) A process for vulcanizing gummed fabrics and rubber articles.
GB341439A (en) Improvements in or relating to the manufacture of foot-wear consisting wholly or partly of caoutchouc
FR725639A (en) Fabric made from unvulcanized rubber bands, as well as method and tools for its manufacture
GB504667A (en) Improved method of forming contrasting relief patterns on rubber articles
GB375446A (en) Improvements relating to the vulcanization of rubber articles