DE1708018C - Respirator for respiratory protection equipment with an external and internal mask - Google Patents

Description

40

The invention relates to a respirator for breathing apparatus with an outer mask, an inner mask and a connector in which one extends in front of the mouth of the mask wearer Membrane is arranged, on the side facing away from the mouth is connected to the outside air Space is located and which has a channel on the side of the membrane facing away from the mouth, with which parts of the device through which the breathing air flows are connected and at the level of the membrane merges into preferably two channels that bypass the membrane and between the inner mask and Aul.Vnniaske open

I-s are a respirator !! known of this type

(Belarusian l'atentsc

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Atemvenii! and the game, iuiieiiibran it; cir.et. Unity /usaminengelal.'l are and their (.ichiuise dich 'm So an opening of the Maskenki'upci. ^ Siu; 1 uil nV- a Speechipembrar, an- ^ eni-iel ·. Ma ^ -ke l \ ai uei' en · iibv-i rs 1; ι - kc ι ΐ die keiiK \ icuiiiian aulvwseii, den ' ^{N 1} H, IaI'', SJ - aiA - el! en iik'i die membrane weiliie-' ■ - -v ! v.:-'il m :: J 'au'.lei. urge. IV, I ra; er fic

'■■■' ih - ■! ■. ! ι .iN ,, - .. '. 1H-:' iiiwe !; ^ esicnabout iitiich games

¹ ^ e ι- ■ i.aunte '! - Ί-. ■. ::. ■ mn Se! · ¹ :> ub ^! illegalMi '. r is used, has an inner mask. In conjunction with two irrigation channels, it is ensured that the window cannot fog up. The inhaled air is directed in such a way that it is guided from the connector through two lateral channels to the lower edge of the window, the window is flushed, then through a control valve it passes into the inner mask and finally into the respiratory tract of the mask wearer. The exhaled air is prevented by the internal mask from flowing to the disc and is passed directly into the open through an exhalation valve.

If you want to connect such masks;. ·: ■. Circulatory devices in which the exhaled air after Regeneration is inhaled again (German Patent 875 919), use, then the Lud introduction fundamentally different, because the ina; mete regenerated air is warm and has a high ·. Has moisture content. If this air were to get through to the cold pane, a charge would immediately be made. occur on the inside of the disc.

The invention has the object Zugmtiuc, u _; . described breathing mask with the advantages; a speech membrane in the connection piece in relation to the mask body in such a way that it is suitable for use with circulatory devices.

This is achieved according to the invention in that the channel, bypassing the eye space _n . Inner mask space opens and at the same time serves as Λιι \ breathing channel. The air you breathe therefore does not get into the eye area. This prevents the viewing window from fogging up.

In a further embodiment of the invention, the inner mask is connected to the outer mask via one Hollow button connected through which the breathing air flows into the channels bypassing the membrane at the side.

Further expedient refinements of the invention are the subject matter of claims 3 and 4.

In the drawing, an embodiment according to the invention is shown. In it shows

1 shows a side view of a mask according to the invention, partly in section,

Fig. 2 is a section along the line H-II of

Fig. 1, Fig. 3 shows an embodiment of the connector on average,

4 shows a section along the line IV-IV of FIG. 3 and

F i g. 5 an outer mask in section.

The respiratory protection mask shown consists essentially of an outer mask 5, an inner mask 6, an eye disc 7 and a connecting piece 8. As can be seen from FIG. 1, these parts are connected to one another. The connecting piece 8 has two channels 9 and 10 and a membrane H (see FIGS. 3 and 4). Her first channel 9 is used for the air flow. On its ropes facing away from the membrane 11, a hose (not shown) appears. the one with others to the Iv ice cream! .'device belonging, justlalis not shown (ie. auteüen is connected. On -a side facing Vembn.n 11 l'cIi'l the channel ¹ veiiik .. uinkuil'en upd in the form of an iniK iinia-ke ti un.i die. \ iii: 'enm.i - ke 5 connecting I ln.'il ¹ nopfcs 13 (see also Fig. 2) au ! 'i! ei open inside the inner mask 6. A VcibiiHluiiL; zu ilen; Auucnaum do not have these channels. Like iien 1 i μ. 2 and (> / u can be found in Ki duici: e'Men \ .'- ih ' ¹ !' .-. 'IMife- ;! 14 na ·, h rather \ r-

closed. The second channel 10 connects the room 15, which is limited by the membrane U! but on the side facing away from the wearer's mouth Membrane lies with the outside atmosphere. It has a protective grille 17 at its outer end. Speech penetrates via channel 10. The stopper 14 has passed with two pins 16, which reach through holes in the wall that covers the channel 12 to the inside of the mask. The Zapi

The external mnske can, for example, be a

the

, inner channel to

sets the

fen

in

Channel I.

verscniuDsiopien 14 is offset with two tenons 16 «en vux .—-—,.

: n that reach through holes in the wall that pushes and pulls ^{the Za} P ^lLl ; ¹ J =. _{up to} .al 12 covers the inside of the mask. The zap-assigned holes, and z * ar sow.

16 are partly conical (see Fig. 5) from the holes behind the wide egg

The area of the peg comes to rest.

1 sheet of drawings

Claims (4)

Patent claims: 1. Respirator for breathing apparatus with an outer mask and an inner mask and a connection piece in which a membrane extending in front of the mouth of the mask wearer is arranged, on the side facing away from the mouth a connected to the Außenlufi Space is located, and which has a channel on the side of the membrane facing away from the mouth, with which parts of the device through which the breathing air flows are connected and the in Height of the membrane merges into preferably two channels that bypass and zwisehen the membrane Inner mask and outer mask open, characterized in that the channel (9) opens into the inner mask space, bypassing the eye area, and at the same time as an exhalation cannula serves. 2. Respiratory protection mask according to claim 1, characterized in that the inner mask (6) is connected to the outer mask (5) via a hollow button (13) through which the breathing air enters the the membrane (U) laterally bypassing channels (12) flows. 3. Respirator according to claim 2, characterized in that the two are the membrane (U) laterally bypassing channels (12) in the vicinity of the eye disk (7) are closed by a stopper (14), which is formed by means of an integrally formed, conical area having Pin (16) can be inserted into holes in the wall of the channel (12) '. 4. Respirator according to one of claims 1 to 3, characterized in that the Inner mask (6) does not have a passage to the eye area.