BE427734A - - Google Patents
Info
- Publication number
- BE427734A BE427734A BE427734DA BE427734A BE 427734 A BE427734 A BE 427734A BE 427734D A BE427734D A BE 427734DA BE 427734 A BE427734 A BE 427734A
- Authority
- BE
- Belgium
- Prior art keywords
- sight
- viewfinder
- specified
- frame
- glass
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 24
- 239000011521 glass Substances 0.000 claims description 11
- 239000012780 transparent material Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000002788 crimping Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 1
- 101100328519 Caenorhabditis elegans cnt-2 gene Proteins 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 240000006829 Ficus sundaica Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000021183 entrée Nutrition 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427734A true BE427734A (enrdf_load_stackoverflow) |
Family
ID=88249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427734D BE427734A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE427734A (enrdf_load_stackoverflow) |
-
0
- BE BE427734D patent/BE427734A/fr unknown
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