JPH0167244U - - Google Patents
Info
- Publication number
- JPH0167244U JPH0167244U JP1987162849U JP16284987U JPH0167244U JP H0167244 U JPH0167244 U JP H0167244U JP 1987162849 U JP1987162849 U JP 1987162849U JP 16284987 U JP16284987 U JP 16284987U JP H0167244 U JPH0167244 U JP H0167244U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- heat
- fibers
- concrete formwork
- utility
- 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
- 239000000835 fiber Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 6
- 238000009415 formwork Methods 0.000 claims 6
- 239000004745 nonwoven fabric Substances 0.000 claims 4
- 230000001070 adhesive effect Effects 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 230000008018 melting Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
第１図は本考案のシートの断面模式図であり、
第２図はその表面の通水性フイルム状層の拡大表
面模式例図であつて、１は通水性フイルム状層、
２は不織繊維層、３は熱接着性繊維の低融点成分
が溶融したフイルム部分、４は繊維として形態を
とどめる高融点成分、５は細孔を示す。
FIG. 1 is a schematic cross-sectional view of the sheet of the present invention.
FIG. 2 is an enlarged schematic diagram of the surface of the water-permeable film-like layer on the surface thereof, and 1 is a water-permeable film-like layer;
2 is a nonwoven fiber layer, 3 is a film portion in which the low melting point component of the thermoadhesive fiber is melted, 4 is a high melting point component that remains in the form of a fiber, and 5 is a pore.
Claims (1)
水性フイルム状層を一体化したことを特徴とする
コンクリート型枠用シート。 (2) 通水性フイルム状層の細孔の大きさが３０
μ以下である実用新案登録請求の範囲第１項に記
載のコンクリート型枠用シート。 (3) 通水性フイルム状層が、熱接着性繊維から
なる不織布層で、該熱接着性繊維が互に熱融着し
てフイルム化していることを特徴とする実用新案
登録請求の範囲第１項または第２項に記載のコン
クリート型枠用シート。 (4) 通水性フイルム層が、低融点成分と高融点
成分が芯鞘等にて複合された構造を有する熱接着
性繊維からなる不織布層で、該繊維の低融点成分
が互に熱融着してフイルム化していることを特徴
とする実用新案登録請求の範囲第１項、第２項ま
たは第３項に記載のコンクリート型枠用シート。 (5) 不織繊維層に熱接着性繊維を含み、熱接着
性繊維からなる不織布層と積層され、両層の繊維
の一部が互に交絡し、かつ熱接着性繊維からなる
不織布層の前記繊維が互に熱融着してフイルム化
していることを特徴とする実用新案登録請求の範
囲第１項、第２項、第３項または第４項に記載の
コンクリート型枠用シート。 (6) 不織繊維層に高吸水性樹脂を含むことを特
徴とする実用新案登録請求の範囲第１項、第２項
、第３項、第４項または第５項に記載のコンクリ
ート型枠用シート。[Claims for Utility Model Registration] (1) A sheet for concrete formwork, characterized in that the surface of the nonwoven fiber sheet is integrated with a water-permeable film-like layer having pores. (2) The pore size of the water-permeable film layer is 30
The sheet for concrete formwork according to claim 1 of the utility model registration claim, which has a particle diameter of μ or less. (3) Utility model registration claim 1, characterized in that the water-permeable film-like layer is a nonwoven fabric layer made of heat-adhesive fibers, and the heat-adhesive fibers are thermally fused to each other to form a film. A sheet for concrete formwork according to item 1 or 2. (4) The water-permeable film layer is a nonwoven fabric layer made of heat-adhesive fibers having a structure in which a low-melting point component and a high-melting point component are combined in a core-sheath, etc., and the low-melting point components of the fibers are thermally fused to each other. A sheet for concrete formwork according to claim 1, 2, or 3 of the utility model registration claim, characterized in that the sheet is made into a film. (5) The nonwoven fiber layer contains heat adhesive fibers, is laminated with a nonwoven fabric layer made of heat adhesive fibers, some of the fibers of both layers are intertwined with each other, and the nonwoven fabric layer made of heat adhesive fibers is The sheet for concrete formwork according to claim 1, 2, 3, or 4, wherein the fibers are heat-fused to each other to form a film. (6) The concrete formwork according to claim 1, 2, 3, 4, or 5 of the utility model registration claim, characterized in that the nonwoven fiber layer contains a superabsorbent resin. Sheet for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162849U JPH0167244U (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987162849U JPH0167244U (en) | 1987-10-23 | 1987-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0167244U true JPH0167244U (en) | 1989-04-28 |
Family
ID=31447052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987162849U Pending JPH0167244U (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0167244U (en) |
-
1987
- 1987-10-23 JP JP1987162849U patent/JPH0167244U/ja active Pending
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