JPS62146733U - - Google Patents
Info
- Publication number
- JPS62146733U JPS62146733U JP3488386U JP3488386U JPS62146733U JP S62146733 U JPS62146733 U JP S62146733U JP 3488386 U JP3488386 U JP 3488386U JP 3488386 U JP3488386 U JP 3488386U JP S62146733 U JPS62146733 U JP S62146733U
- Authority
- JP
- Japan
- Prior art keywords
- packaging material
- compressed
- yield point
- original thickness
- compressive stress
- 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
- 239000005022 packaging material Substances 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 239000004604 Blowing Agent Substances 0.000 claims 1
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 238000005187 foaming Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000000704 physical effect Effects 0.000 claims 1
- 239000005056 polyisocyanate Substances 0.000 claims 1
- 229920001228 polyisocyanate Polymers 0.000 claims 1
- 229920005862 polyol Polymers 0.000 claims 1
- 150000003077 polyols Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- -1 Polypropylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Landscapes
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Description
第１図は本考案の梱包材の座屈現象を示す説明
図、第２図は従来の梱包材の斜視図、第３図は本
考案の梱包材の静荷重特性を示すグラフ、第４図
は軟質ポリウレタンフオームの静荷重特性を示す
グラフを各々示す。
１…従来の梱包材、１１…ポリプロピレンシー
ト、１２…被梱包材の形状の凹部、２…被梱包物
、３…本考案の梱包材。
Figure 1 is an explanatory diagram showing the buckling phenomenon of the packaging material of the present invention, Figure 2 is a perspective view of the conventional packaging material, Figure 3 is a graph showing the static load characteristics of the packaging material of the present invention, and Figure 4 1 and 2 respectively show graphs showing the static load characteristics of flexible polyurethane foam. DESCRIPTION OF SYMBOLS 1... Conventional packing material, 11... Polypropylene sheet, 12... Recessed part in the shape of a material to be packed, 2... Item to be packed, 3... Packing material of the present invention.
Claims (1)
剤、助剤等から成る組成物を発泡させたポリウレ
タンフオームを、所定の大きさ、形状に構成して
成る梱包材であつて、該フオームの物性が、 (1) 元の厚さの５０％の厚さに圧縮した際のヒ
ステリシスロスが９０％以上であつて、 (2) 降伏点圧縮応力が４Kg／m2以下であり、 (3) 元の厚さの５０％の厚さに圧縮した際の応
力と降伏点圧縮応力との比が１．０〜１．１であ
る ことを特徴とする梱包材。[Claims for Utility Model Registration] A packaging material made of a polyurethane foam formed by foaming a composition consisting of a polyol, a polyisocyanate, a catalyst, a blowing agent, an auxiliary agent, etc. into a predetermined size and shape, The physical properties of the foam are as follows: (1) Hysteresis loss when compressed to 50% of the original thickness is 90% or more, (2) Compressive stress at yield point is 4 Kg/m 2 or less, (3) A packaging material characterized in that the ratio of the stress when compressed to 50% of the original thickness and the compressive stress at yield point is 1.0 to 1.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3488386U JPS62146733U (en) | 1986-03-11 | 1986-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3488386U JPS62146733U (en) | 1986-03-11 | 1986-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62146733U true JPS62146733U (en) | 1987-09-16 |
Family
ID=30843852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3488386U Pending JPS62146733U (en) | 1986-03-11 | 1986-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62146733U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728774A (en) * | 1980-07-30 | 1982-02-16 | Matsushita Electric Works Ltd | Packing method |
-
1986
- 1986-03-11 JP JP3488386U patent/JPS62146733U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5728774A (en) * | 1980-07-30 | 1982-02-16 | Matsushita Electric Works Ltd | Packing method |
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