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GB1360632A - Face masks - Google Patents

Face masks

Info

Publication number
GB1360632A
GB1360632AGB279571AGB279571AGB1360632AGB 1360632 AGB1360632 AGB 1360632AGB 279571 AGB279571 AGB 279571AGB 279571 AGB279571 AGB 279571AGB 1360632 AGB1360632 AGB 1360632A
Authority
GB
United Kingdom
Prior art keywords
mask
face
bonded
rubber
strip
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
GB279571A
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.)
Roberts Ltd S F
Original Assignee
Roberts Ltd S F
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 Roberts Ltd S FfiledCriticalRoberts Ltd S F
Priority to GB279571ApriorityCriticalpatent/GB1360632A/en
Publication of GB1360632ApublicationCriticalpatent/GB1360632A/en
Expiredlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

1360632 Respiratory masks S F ROBERTS (1960) Ltd 6 Jan 1972 [20 Jan 1971] 2795/71 Heading A5T A face mask 1 is moulded from rubber or plastics material and has a chin strap 16 inside the mask with end anchorages 15 which are formed integrally with, or are integrally bonded to, face seal in the form of a resilient sealing strip 11 which is inside the edge of the face opening. The sealing strip 11 is preferably of of rubber which is bonded to the mask by vulcanisation in a mould. The strip 11 is tubular with a projecting face 14 bonded to the mask, a strip 12 of foamed plastics material or foamed rubber being enclosed in the tubular part. The thin strap may be in two portions having a connector for adjusting the length of the strap. The mask also has a window 5, an opening 6 for a supply fitting, a further opening (7), Fig. 2 (not shown) to receive a speech diaphragm, and a circular portion 9 which may be cut out to receive a microphone or other ancillary equipment.
GB279571A1972-01-061972-01-06Face masksExpiredGB1360632A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
GB279571AGB1360632A (en)1972-01-061972-01-06Face masks

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
GB279571AGB1360632A (en)1972-01-061972-01-06Face masks

Publications (1)

Publication NumberPublication Date
GB1360632Atrue GB1360632A (en)1974-07-17

Family

ID=9746071

Family Applications (1)

Application NumberTitlePriority DateFiling Date
GB279571AExpiredGB1360632A (en)1972-01-061972-01-06Face masks

Country Status (1)

CountryLink
GB (1)GB1360632A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2443918A1 (en)*1978-12-151980-07-11Airco Inc DISPOSABLE FACE MASK AND PROCESS FOR OBTAINING
US5243971A (en)*1990-05-211993-09-14The University Of SydneyNasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours
US6039044A (en)*1994-12-092000-03-21University Of SydneyGas delivery mask
WO2009029363A1 (en)*2007-08-312009-03-053M Innovative Properties CompanyRespirator facepiece with thermoset elastomeric face seal
US8839788B2 (en)2007-08-312014-09-233M Innovative Properties CompanyRespirator attachment component with molded thermoset elastomeric seal
US10065056B2 (en)2007-08-312018-09-043M Innovative Properties CompanyUnitary respirator with molded thermoset elastomeric elements
CN111436695A (en)*2020-05-112020-07-24吴川市博铺荣泰模具有限公司 Mask, mask manufacturing mold and mask forming method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2443918A1 (en)*1978-12-151980-07-11Airco Inc DISPOSABLE FACE MASK AND PROCESS FOR OBTAINING
US5243971A (en)*1990-05-211993-09-14The University Of SydneyNasal mask for CPAP having ballooning/moulding seal with wearer's nose and facial contours
US6039044A (en)*1994-12-092000-03-21University Of SydneyGas delivery mask
WO2009029363A1 (en)*2007-08-312009-03-053M Innovative Properties CompanyRespirator facepiece with thermoset elastomeric face seal
US8820326B2 (en)2007-08-312014-09-023M Innovative Properties CompanyRespirator facepiece with thermoset elastomeric face seal
US8839788B2 (en)2007-08-312014-09-233M Innovative Properties CompanyRespirator attachment component with molded thermoset elastomeric seal
US10065056B2 (en)2007-08-312018-09-043M Innovative Properties CompanyUnitary respirator with molded thermoset elastomeric elements
US11701528B2 (en)2007-08-312023-07-183M Innovative Properties CompanyUnitary respirator with molded thermoset elastomeric elements
US12070633B2 (en)2007-08-312024-08-273M Innovative Properties CompanyUnitary respirator with molded thermoset elastomeric elements
CN111436695A (en)*2020-05-112020-07-24吴川市博铺荣泰模具有限公司 Mask, mask manufacturing mold and mask forming method

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Legal Events

DateCodeTitleDescription
PSPatent sealed
PLNPPatent lapsed through nonpayment of renewal fees
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