JPH0427621Y2 - - Google Patents
Info
- Publication number
- JPH0427621Y2 JPH0427621Y2 JP2980089U JP2980089U JPH0427621Y2 JP H0427621 Y2 JPH0427621 Y2 JP H0427621Y2 JP 2980089 U JP2980089 U JP 2980089U JP 2980089 U JP2980089 U JP 2980089U JP H0427621 Y2 JPH0427621 Y2 JP H0427621Y2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- metal
- concrete
- plastic sheet
- ears
- 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
- 238000009415 formwork Methods 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 38
- 239000004567 concrete Substances 0.000 claims description 25
- 239000002985 plastic film Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000000057 synthetic resin Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2980089U JPH0427621Y2 (en]) | 1989-03-17 | 1989-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2980089U JPH0427621Y2 (en]) | 1989-03-17 | 1989-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02121906U JPH02121906U (en]) | 1990-10-04 |
| JPH0427621Y2 true JPH0427621Y2 (en]) | 1992-07-02 |
Family
ID=31254324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2980089U Expired JPH0427621Y2 (en]) | 1989-03-17 | 1989-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0427621Y2 (en]) |
-
1989
- 1989-03-17 JP JP2980089U patent/JPH0427621Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02121906U (en]) | 1990-10-04 |
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