JPH01141747U - - Google Patents
Info
- Publication number
- JPH01141747U JPH01141747U JP5025788U JP5025788U JPH01141747U JP H01141747 U JPH01141747 U JP H01141747U JP 5025788 U JP5025788 U JP 5025788U JP 5025788 U JP5025788 U JP 5025788U JP H01141747 U JPH01141747 U JP H01141747U
- Authority
- JP
- Japan
- Prior art keywords
- heat generating
- structure according
- breathable
- heat
- thermoplastic resin
- 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
- 229920005992 thermoplastic resin Polymers 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 14
- 229920000098 polyolefin Polymers 0.000 claims 7
- 239000005022 packaging material Substances 0.000 claims 6
- 239000000463 material Substances 0.000 claims 5
- -1 polyethylene Polymers 0.000 claims 3
- 239000004698 Polyethylene Substances 0.000 claims 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 2
- 238000004806 packaging method and process Methods 0.000 claims 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 2
- 239000005033 polyvinylidene chloride Substances 0.000 claims 2
- 239000001993 wax Substances 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 claims 1
- 229930195729 fatty acid Natural products 0.000 claims 1
- 239000000194 fatty acid Substances 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Packages (AREA)
Description
第１図は本考案の断面図であり、第２図は第１
図の平面図である。第３図は本考案の別の発熱構
造体の平面図である。又第４図は本考案の更に別
の発熱構造体の断面図であり、第５図は第４図の
平面図である。
図中の符号は次のとおり、１……発熱構造体、
２……発熱剤収納袋、３，４……非通気性フイル
ム層、５……熱可塑性樹脂層、６……接着部、７
……ヒートシール部、８……剥離片、９……不織
布、１０……プラスチツクフイルム、１１……通
気孔、１２……シーラント層、１３……発熱剤、
１４……区画部、１５……ミシン目線、１６……
パンチ穴。
Figure 1 is a sectional view of the present invention, and Figure 2 is a cross-sectional view of the invention.
FIG. FIG. 3 is a plan view of another heat generating structure of the present invention. 4 is a sectional view of yet another heat generating structure of the present invention, and FIG. 5 is a plan view of FIG. 4. The symbols in the diagram are as follows: 1...Heating structure;
2... Exothermic agent storage bag, 3, 4... Non-breathable film layer, 5... Thermoplastic resin layer, 6... Adhesive part, 7
... Heat seal part, 8 ... Peeling piece, 9 ... Nonwoven fabric, 10 ... Plastic film, 11 ... Ventilation hole, 12 ... Sealant layer, 13 ... Exothermic agent,
14...Division section, 15...Perforation line, 16...
punch hole.
Claims (1)
収納袋が、当該通気性包材面の周縁部にて少なく
とも非通気性フイルム層と熱可塑性樹脂層とから
なる非通気性材料と接着され、当該発熱剤収納袋
に空気の存在下で発熱する発熱剤を収納してなる
発熱構造体に於いて、当該発熱剤収納袋と当該非
通気性材料とからなる接着部が 式(1)：Ａ＞Ｂ＞Ｃ （式中、Ａは熱可塑性樹脂層と通気性包材面と
の接着強度、Ｂは熱可塑性樹脂層と非通気性フイ
ルム層の界面剥離強度、及びＣは熱可塑性樹脂層
と通気性包材面とから形成される接着面の縁部に
於ける熱可塑性樹脂層の引裂き又は破断強度を表
す） なる関係を有することを特徴とする発熱構造体
。 ２ 熱可塑性樹脂層が、少なくともエチレン・酢
酸ビニル共重合物、ポリエチレンワツクス及び脂
肪酸アミドからなるホツトシール接着剤である実
用新案登録請求の範囲第１項記載の発熱構造体。 ３ ホツトシール接着剤がワツクス類を５〜４０
％含有する実用新案登録請求の範囲第２項記載の
発熱構造体。 ４ 非通気性材料の内層部が、ポリオレフイン／
ポリ塩化ビニリデン／ポリオレフイン、又はポリ
オレフイン／エチレン酢酸ビニル共重合物／ポリ
塩化ビニリデン／エチレン酢酸ビニル共重合物／
ポリオレフインの複合層で構成され、通気性包材
の表面層が、少なくともポリオレフインを含有す
る混紡不織布又はポリオレフインで表面コートさ
れた繊維からなる不織布である実用新案登録請求
の範囲第１項記載の発熱構造体。 ５ ポリオレフインが、ポリエチレン又はポリプ
ロピレンである実用新案登録請求の範囲第４項記
載の発熱構造体。 ６ 少なくとも非通気性フイルム層と熱可塑性樹
脂層との相互の界面隣接層が、共押出しラミネー
ト法により積層され、熱可塑性樹脂層の厚みが５
〜４０μの範囲である実用新案登録請求の範囲第
４項又は第５項記載の発熱構造体。 ７ 通気性包材面と非通気性材料との接着巾を、
３mm以下とした実用新案登録請求の範囲第４〜６
項のいずれか記載の発熱構造体。 ８ 通気性包材面と非通気性材料との接着部が、
通気性包材面の周縁から１mm以上内側に設けられ
た実用新案登録請求の範囲第４〜７項のいずれか
記載の発熱構造体。 ９ 発熱剤収納袋が、ヒートシールにより区画さ
れ発熱剤を分割収納してなる実用新案登録請求の
範囲第１〜８項のいずれか記載の発熱構造体。 １０ 区画部にミシン目線を施してなる実用新案
登録請求の範囲第９項記載の発熱構造体。[Claims for Utility Model Registration] 1. A heat-generating agent storage bag having at least one side as a breathable packaging material surface, comprising at least a non-breathable film layer and a thermoplastic resin layer at the periphery of the breathable packaging material surface. In a heat generating structure formed by adhering to a non-breathable material and storing a heat generating agent that generates heat in the presence of air in the heat generating agent storage bag, an adhesive comprising the heat generating agent storage bag and the non-breathable material. is the formula (1): A>B>C (where A is the adhesive strength between the thermoplastic resin layer and the air permeable packaging material surface, B is the interfacial peel strength between the thermoplastic resin layer and the non-air permeable film layer, and C represents the tearing or breaking strength of the thermoplastic resin layer at the edge of the adhesive surface formed from the thermoplastic resin layer and the air-permeable packaging surface. . 2. The heat generating structure according to claim 1, wherein the thermoplastic resin layer is a hot seal adhesive comprising at least an ethylene/vinyl acetate copolymer, a polyethylene wax, and a fatty acid amide. 3 Hot seal adhesive removes waxes from 5 to 40
% of the heat generating structure according to claim 2 of the utility model registration claim. 4 The inner layer of the non-breathable material is polyolefin/
Polyvinylidene chloride/polyolefin, or polyolefin/ethylene vinyl acetate copolymer/polyvinylidene chloride/ethylene vinyl acetate copolymer/
The heat generating structure according to claim 1, which is composed of a composite layer of polyolefin, and the surface layer of the breathable packaging material is a blended nonwoven fabric containing at least polyolefin or a nonwoven fabric made of fibers whose surface is coated with polyolefin. body. 5. The heat generating structure according to claim 4, wherein the polyolefin is polyethylene or polypropylene. 6 At least the layer adjacent to the interface between the non-air permeable film layer and the thermoplastic resin layer is laminated by a coextrusion lamination method, and the thickness of the thermoplastic resin layer is 5
The heating structure according to claim 4 or 5 of the utility model registration claim, which has a diameter of 40 μm. 7 The adhesive width between the breathable packaging material surface and the non-breathable material is
Scope of claims for utility model registration as 3 mm or less Nos. 4 to 6
The heat generating structure according to any of paragraphs. 8 The adhesive part between the breathable packaging material surface and the non-breathable material is
The heat generating structure according to any one of claims 4 to 7, which is provided 1 mm or more inward from the periphery of the air-permeable packaging surface. 9. The heat-generating structure according to any one of claims 1 to 8, wherein the heat-generating agent storage bag is partitioned by heat sealing and stores the heat-generating agent separately. 10. The heat generating structure according to claim 9 of the utility model registration, wherein the partitions are perforated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5025788U JPH0543081Y2 (en) | 1987-10-05 | 1988-04-14 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15265687 | 1987-10-05 | ||
| JP5025788U JPH0543081Y2 (en) | 1987-10-05 | 1988-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01141747U true JPH01141747U (en) | 1989-09-28 |
| JPH0543081Y2 JPH0543081Y2 (en) | 1993-10-29 |
Family
ID=31718038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5025788U Expired - Lifetime JPH0543081Y2 (en) | 1987-10-05 | 1988-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543081Y2 (en) |
-
1988
- 1988-04-14 JP JP5025788U patent/JPH0543081Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543081Y2 (en) | 1993-10-29 |
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