JPH0435992U - - Google Patents
Info
- Publication number
- JPH0435992U JPH0435992U JP7802590U JP7802590U JPH0435992U JP H0435992 U JPH0435992 U JP H0435992U JP 7802590 U JP7802590 U JP 7802590U JP 7802590 U JP7802590 U JP 7802590U JP H0435992 U JPH0435992 U JP H0435992U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- synthetic resin
- fresnel lens
- resin sheet
- large number
- 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 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 210000004712 air sac Anatomy 0.000 description 3
Landscapes
- Toys (AREA)
Description
第１図は本考案の第１実施例を示す全体の一部
切截斜視図、第２図は凹フレネルレンズ部分の拡
大断面図、第３図は第２実施例を示す全体の斜視
図である。
１……輪帯レンズ、２……凹フレネルレンズ、
３……表側用シート、４……絵柄、４′……縮小
絵柄、５……裏側用シート、６……送排気栓、７
……凹フレネルレンズ、８……表側用シート。
FIG. 1 is a partially cutaway perspective view of the first embodiment of the present invention, FIG. 2 is an enlarged sectional view of a concave Fresnel lens portion, and FIG. 3 is an overall perspective view of the second embodiment. be. 1... annular lens, 2... concave Fresnel lens,
3... Sheet for front side, 4... Pattern, 4'... Reduced pattern, 5... Sheet for back side, 6... Supply/exhaust plug, 7
...Concave Fresnel lens, 8...Front side sheet.
補正 平２．１１．２０
実用新案登録請求の範囲を次のように補正する
。Amendment 11/20/2002 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
多数本の輪状レンズを同心円配置で設けること
により構成した多数個の凹フレネルレンズを裏面
に備えた透明合成樹脂シート製のレンズ壁面及び
合成樹脂シート製非レンズ壁面から成る浮袋本体
と、
非レンズ壁面において外から凹フレネルレンズ
を介して見える個所に設けた絵柄もしくは文字と
、をもつことを特徴とする空気入り合成樹脂シー
ト製浮袋。 [Claim for Utility Model Registration] From a lens wall surface made of a transparent synthetic resin sheet and a non-lens wall surface made of a synthetic resin sheet, each of which has a large number of concave Fresnel lenses on its back surface, which are constructed by providing a large number of annular lenses in a concentric arrangement. What is claimed is: 1. A swim bladder made of an air-filled synthetic resin sheet, characterized by having a swim bladder main body consisting of a swim bladder, and a pattern or letters provided on a non-lens wall surface at a location that can be seen from the outside through a concave Fresnel lens.
Claims (1)
樹脂シート製の浮袋本体と、透明壁面の内面の全
部に亘つて設けた、多数本の輪帯レンズを同心円
配置で設けることにより構成した多数個の凹フレ
ネルレンズと、不透明壁面の内面において外から
凹フレネルレンズを介して見える個所に設けた絵
柄もしくは文字と、をもつことを特徴とする空気
入り合成樹脂シート製浮袋。 A large number of floating bladders made of a synthetic resin sheet with a part of the wall transparent and the other part opaque, and a large number of annular lenses arranged concentrically over the entire inner surface of the transparent wall. 1. A floating bladder made of an air-filled synthetic resin sheet, characterized by having a concave Fresnel lens, and a pattern or letters provided on the inner surface of an opaque wall at a location visible from the outside through the concave Fresnel lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990078025U JPH0732379Y2 (en) | 1990-07-23 | 1990-07-23 | Pneumatic synthetic resin sheet floating bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990078025U JPH0732379Y2 (en) | 1990-07-23 | 1990-07-23 | Pneumatic synthetic resin sheet floating bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0435992U true JPH0435992U (en) | 1992-03-25 |
| JPH0732379Y2 JPH0732379Y2 (en) | 1995-07-26 |
Family
ID=31620941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990078025U Expired - Lifetime JPH0732379Y2 (en) | 1990-07-23 | 1990-07-23 | Pneumatic synthetic resin sheet floating bag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732379Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479060U (en) * | 1971-02-19 | 1972-10-03 |
-
1990
- 1990-07-23 JP JP1990078025U patent/JPH0732379Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS479060U (en) * | 1971-02-19 | 1972-10-03 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0732379Y2 (en) | 1995-07-26 |