JPH0442552U - - Google Patents
Info
- Publication number
- JPH0442552U JPH0442552U JP8520690U JP8520690U JPH0442552U JP H0442552 U JPH0442552 U JP H0442552U JP 8520690 U JP8520690 U JP 8520690U JP 8520690 U JP8520690 U JP 8520690U JP H0442552 U JPH0442552 U JP H0442552U
- Authority
- JP
- Japan
- Prior art keywords
- concrete formwork
- board
- core material
- bonded
- polyolefin
- 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.)
- Pending
Links
- 238000009415 formwork Methods 0.000 claims description 7
- 239000002023 wood Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims description 4
- 229920005672 polyolefin resin Polymers 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 2
- 239000011087 paperboard Substances 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims 1
- 229920006026 co-polymeric resin Polymers 0.000 claims 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
第１図は、本考案の一実施例のコンクリート型
枠用軽量板の断面図、第２図及び第３図は他の実
施例のコンクリート型枠用軽量板の断面図である
。
１……ポリオレフイン系樹脂層、２……接着性
ポリオレフイン系樹脂、３……木質板、４……硬
質発泡ウレタン樹脂製の芯材、５……接着剤、６
……板紙、７……コンクリート型枠用軽量板。
FIG. 1 is a sectional view of a lightweight board for concrete formwork according to one embodiment of the present invention, and FIGS. 2 and 3 are sectional views of lightweight boards for concrete formwork according to other embodiments. DESCRIPTION OF SYMBOLS 1... Polyolefin resin layer, 2... Adhesive polyolefin resin, 3... Wood board, 4... Core material made of hard urethane foam resin, 5... Adhesive, 6
...Paperboard, 7...Lightweight board for concrete formwork.
Claims (1)
質板が接着され、該木質板の外面に接着性ポリオ
レフイン系共重合樹脂を介してポリオレフイン系
樹脂層を有するコンクリート型枠用軽量板。 (2) 硬質発泡ウレタン樹脂製の芯材の両面に木
質板が接着され、該木質板の外面に接着剤を介し
てポリオレフイン系フイルムが接着されて成るコ
ンクリート型枠用軽量板。 (3) ポリオレフイン系樹脂フイルムが二軸延伸
ポリプロピレンフイルムである実用新案登録請求
の範囲第２項記載のコンクリート型枠用軽量板。 (4) 請求項１又は２記載のコンクリート型枠用
軽量板において、芯材の片面だけを木質板に代え
て板紙を接着したコンクリート型枠用軽量板。[Scope of Claim for Utility Model Registration] (1) Wooden boards are adhered to both sides of a core material made of rigid foamed urethane resin, and a polyolefin resin layer is formed on the outer surface of the wood board via an adhesive polyolefin copolymer resin. Lightweight board for concrete formwork. (2) A lightweight board for concrete formwork, comprising a core material made of hard urethane resin foam, wood boards bonded to both sides, and a polyolefin film bonded to the outer surface of the wood board via an adhesive. (3) The lightweight board for concrete formwork according to claim 2, wherein the polyolefin resin film is a biaxially oriented polypropylene film. (4) A lightweight board for concrete formwork according to claim 1 or 2, in which only one side of the core material is bonded with paperboard instead of a wood board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8520690U JPH0442552U (en) | 1990-08-10 | 1990-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8520690U JPH0442552U (en) | 1990-08-10 | 1990-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442552U true JPH0442552U (en) | 1992-04-10 |
Family
ID=31634207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8520690U Pending JPH0442552U (en) | 1990-08-10 | 1990-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442552U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440904U (en) * | 1987-09-07 | 1989-03-10 |
-
1990
- 1990-08-10 JP JP8520690U patent/JPH0442552U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6440904U (en) * | 1987-09-07 | 1989-03-10 |
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