DE1794060U - FACE-MOUNTED DUST FILTER DEVICE. - Google Patents
FACE-MOUNTED DUST FILTER DEVICE.Info
- Publication number
- DE1794060U DE1794060U DED15421U DED0015421U DE1794060U DE 1794060 U DE1794060 U DE 1794060U DE D15421 U DED15421 U DE D15421U DE D0015421 U DED0015421 U DE D0015421U DE 1794060 U DE1794060 U DE 1794060U
- Authority
- DE
- Germany
- Prior art keywords
- dust filter
- filter
- face
- frame
- dust
- 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
Links
- 239000000428 dust Substances 0.000 title claims description 32
- 239000000463 material Substances 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Description
Auf diesem Rand liegt auf der dem Gesicht abgewandten Seite ein Rahmen, der aus biegsamem Metall bestehen kann, das zweckmäßigerweise mit Gummi oder Kunststoff umhüllt sein kann. Der Rahmen wird durch geeignete Haltevorrichtungen, wie z. B. eine Bänderung, gegen das Gesicht gedrückt, wobei der Rahmen des aus Filtermaterial bestehenden Staubfilters mit seinem Randteil dem Gesicht anliegt.On this edge there is a frame on the side facing away from the face, which can consist of flexible metal, which is expediently with rubber or plastic can be wrapped. The frame is secured by suitable holding devices, such as. B. a harness, pressed against the face, the frame being made of filter material existing dust filter with its edge part rests against the face.
Gemäß einer weiteren Bauform der Neuerung kann der Rahmen mit quer und/oder längs verlaufenden Verstrebungen gleichsam maulkorbartig ausgebildet sein.According to a further design of the innovation, the frame can with transverse and / or longitudinal struts, as it were, be designed like a muzzle.
Um den Widerstand des Filters möglichst zu verringern, besteht eine
zweckmäßige Bauform darint daß das Feinstaubfilter, vorzugsweise in der Gegend des
Mundes, durch Fältelung im Querschnitt zickzackförmig ausgebildet ist, so daß die
Oberfläche des Peinstaubfilters vergrößert ist.
Das Staubfilter kann in der Nahe des Mundes ein- oder mehrfach durch
Einstülpen gewellt sein, so daß es zickzackförmig verläuft. wie bei 8 angedeutet
ist. Dabei kann statt einer ringförmigen Einstülpung auch eine ovale Einstülpung
vorhanden sein.
Das Staubfilter kann aber auch in den Rahmen eingesetzt sein, so daß es mit diesem zusammen aufgesetzt wird.The dust filter can also be used in the frame, so that it is put on together with this.
Ein Ausatemventil kann im Filtermaterial etwa bei der Stelle 8 oder auch an anderer Stelle angeordnet werden.An exhalation valve can be in the filter material at about 8 or can also be arranged elsewhere.
Das Grobstaubfilter kann in bekannter Weise aus wasserabstoßendem Material hergestellt sein.The coarse dust filter can be made in a known manner from water-repellent Material to be made.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED15421U DE1794060U (en) | 1958-01-02 | 1958-01-02 | FACE-MOUNTED DUST FILTER DEVICE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED15421U DE1794060U (en) | 1958-01-02 | 1958-01-02 | FACE-MOUNTED DUST FILTER DEVICE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1794060U true DE1794060U (en) | 1959-08-20 |
Family
ID=32878188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DED15421U Expired DE1794060U (en) | 1958-01-02 | 1958-01-02 | FACE-MOUNTED DUST FILTER DEVICE. |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1794060U (en) |
-
1958
- 1958-01-02 DE DED15421U patent/DE1794060U/en not_active Expired
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