JP2000354429A5 - - Google Patents
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- Publication number
- JP2000354429A5 JP2000354429A5 JP1999169756A JP16975699A JP2000354429A5 JP 2000354429 A5 JP2000354429 A5 JP 2000354429A5 JP 1999169756 A JP1999169756 A JP 1999169756A JP 16975699 A JP16975699 A JP 16975699A JP 2000354429 A5 JP2000354429 A5 JP 2000354429A5
- Authority
- JP
- Japan
- Prior art keywords
- region
- synthetic resin
- film
- fine irregularities
- resin film
- 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.)
- Granted
Links
- 229920003002 synthetic resin Polymers 0.000 description 8
- 239000000057 synthetic resin Substances 0.000 description 8
- 230000003247 decreasing Effects 0.000 description 1
Description
【特許請求の範囲】
【請求項１】 微細凹凸を全面に形成した領域と、微細凹凸を部分的に形成した領域を有する合成樹脂製フィルムの長辺を構成する少なくとも一方の端部から、フィルム中央部に向かって、２０ｃｍの幅の領域αにおいて、微細凹凸形成部分の面積が、領域αの面積の３割以下であり、微細凹凸形成部と非形成部との境界線が一直線上に集中することがない農業用合成樹脂製フィルム。
【請求項２】 合成樹脂製フィルムにおいて、該フィルムの長辺を構成する少なくとも一方の端部から、微細凹凸を全く形成していない領域、微細凹凸を部分的に形成した領域、微細凹凸を全面に形成した領域とを順次形成してなる農業用合成樹脂製フィルム。
【請求項３】 微細凹凸を部分的に形成した領域において、微細凹凸形成部の割合が、フィルム中央部からフィルム端部に向かって、漸次減少するように形成された請求項１又は２記載の農業用合成樹脂製フィルム。
[Claims]
1. From at least one end portion forming a long side of a synthetic resin film having a region in which fine irregularities are formed on the entire surface and a region in which fine irregularities are partially formed, toward the center of the film. In the region α having a width of 20 cm, the area of the fine unevenness forming portion is 30% or less of the area of the region α, and the boundary line between the fine unevenness forming portion and the non-forming portion is not concentrated on a straight line for agriculture. Synthetic resin film.
2. In a synthetic resin film, a region in which fine irregularities are not formed at all, a region in which fine irregularities are partially formed, and a entire surface of fine irregularities are formed from at least one end portion constituting the long side of the film. A synthetic resin film for agriculture, which is formed by sequentially forming the regions formed in.
3. The third aspect of the present invention, claim 1 or 2, wherein the ratio of the fine unevenness forming portion is gradually decreased from the central portion of the film toward the edge portion of the film in the region where the fine unevenness is partially formed. Agricultural synthetic resin film.
【０００６】
【課題を解決するための手段】
上記の課題を解決するためになされた請求項１記載の本発明の農業用合成樹脂製フィルムは、微細凹凸を全面に形成した領域と、微細凹凸を部分的に形成した領域を有する合成樹脂製フィルムの長辺を構成する少なくとも一方の端部から、フィルム中央部に向かって、２０ｃｍの幅の領域αにおいて、微細凹凸形成部分の面積が、領域αの面積の３割以下であり、微細凹凸形成部と非形成部との境界線が一直線上に集中することがない農業用合成樹脂製フィルムである。
0006
[Means for solving problems]
The agricultural synthetic resin film of the present invention according to claim 1, which has been made to solve the above problems, is made of a synthetic resin having a region in which fine irregularities are formed on the entire surface and a region in which fine irregularities are partially formed. from at least one end constituting the long sides of the film, towards the film center portion, in the area alpha in the width of 20 cm, the area of the fine irregularities forming portion, not more than 30% of the area of the region alpha, fine irregularities This is an agricultural synthetic resin film in which the boundary line between the formed portion and the non-formed portion is not concentrated on a straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16975699A JP4037994B2 (en) | 1999-06-16 | 1999-06-16 | Agricultural plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16975699A JP4037994B2 (en) | 1999-06-16 | 1999-06-16 | Agricultural plastic film |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000354429A JP2000354429A (en) | 2000-12-26 |
| JP2000354429A5 true JP2000354429A5 (en) | 2006-03-16 |
| JP4037994B2 JP4037994B2 (en) | 2008-01-23 |
Family
ID=15892276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16975699A Expired - Lifetime JP4037994B2 (en) | 1999-06-16 | 1999-06-16 | Agricultural plastic film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4037994B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8469145B2 (en) | 2008-04-14 | 2013-06-25 | 3M Innovative Properties Company | Multilayer sound absorbing sheet |
| WO2009131855A2 (en) | 2008-04-22 | 2009-10-29 | 3M Innovative Properties Company | Hybrid sound absorbing sheet |
| CN102089801B (en) | 2008-05-22 | 2013-05-29 | 3M创新有限公司 | Multilayer sound absorbing structure comprising mesh layer |
-
1999
- 1999-06-16 JP JP16975699A patent/JP4037994B2/en not_active Expired - Lifetime
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