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 Title: |
US4957106:
Gas mask coupled to monolithic member with speech membrane
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Vandeputte, Gilbert; Berchem, Belgium
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| Assignee: |
Engicom, Naamloze Vennootschap, Brussels, Belgium
other patents from ENGICOM NAAMLOZE VENNOOTSCHAP (174705) (approx. 3)
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| Published / Filed: |
1990-09-18
/ 1988-11-17
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| Application Number: |
US1988000273127
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| IPC Code: |
Advanced:
A62B 9/04;
A62B 18/08;
IPC-7:
A62B 18/08;
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| ECLA Code: |
A62B9/04; A62B18/08;
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| U.S. Class: |
Current:
128/201.19;
128/205.24;
128/206.28;
128/912;
Original:
128/201.19;
128/205.24;
128/206.28;
128/912;
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| Field of Search: |
128/205.27,205.29,206.12,206.15,206.17,201.22,201.23,201.24,201.25,201.28,206.28,201.12,201.19,9.2,206.27,204.18,205.24,205.25,205.28
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| Priority Number: |
| 1986-03-12 |
BE1986002/60937 |
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| Abstract: |
Gas mask mainly composed of an inlet and outlet part (1) with possibly a speaking membrane (9), fastening devices (2) for securing the inlet and outlet part (1) before the mouth and nose orifices and a filter connection part (3), which is rotatable towards the inlet and outlet part.
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| Attorney, Agent or Firm: |
Meller, Michael N. ;
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| Primary / Asst. Examiners: |
Hindenburg, Max; Lacyk, J. P.
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Parent Case: |
This application is a continuation, of application Ser. No. 24999, filed 3/12/87 now adandoned
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| Designated Country: |
AT CH DE ES FR GB GR IT LI LU NL SE
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| Family: |
Show 4 known family members
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First Claim:
Show all 7 claims |
I claim:
1. A gas mask comprising a facepiece with a seat, a monolithic member having wall means made of rigid material and a plurality of seats formed therein, means for mounting said monolithic member in said seat of said facepiece, inlet opening means, outlet valve means, and speech membrane means each mounted in respective seats of said monolithic member, and an axis defined as being normal to the surface of and extending through the center of said inlet opening means and a coupling member pivotably mounted on said monolithic member for pivoting about said axis, said coupling member having an inlet opening and an outlet opening, said outlet opening connected with said inlet opening means and said inlet opening of said coupling member traveling along an arc during pivoting of said coupling member about said axis.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 10 U.S. patent(s) that reference this one
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