CN201224569Y - Packing bag for micro-wave oven - Google Patents
Packing bag for micro-wave oven Download PDFInfo
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- CN201224569Y CN201224569Y CNU2008200478761U CN200820047876U CN201224569Y CN 201224569 Y CN201224569 Y CN 201224569Y CN U2008200478761 U CNU2008200478761 U CN U2008200478761U CN 200820047876 U CN200820047876 U CN 200820047876U CN 201224569 Y CN201224569 Y CN 201224569Y
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Abstract
The utility model discloses a packaging bag used for a microwave oven, which comprises a bag body sealed and pressed by at least two layers of bag body material, each layer of bag body material is divided into a heat sealing face and a non-heat sealing face, sealed edged are disposed on the bag body, the heat sealing face of at least one sealed edge is totally or partially provided with a coating region, and the coating is pre-coated on the heat sealing face of the upper layer of bag body material or the lower layer of bag body material before making the bag. The utility model aims to provide the packaging bag for packaging convenience food such as various desserts, steamed breads, rice, seasoning soup, seasoning sauce and vegetables, the packaging bag can be heated in the microwave oven along with the food therein under the fully sealed condition, and the flavor of the food can be fully preserved in the food, so the utility model is safe and reliable and is applied to the high-speed automated packaging.
Description
Technical field
The utility model relates to packaging pouch for microwave oven, particularly a kind of packaging bag that can automatic deflation when heating with micro-wave oven.
Background technology
At present, along with the quickening day by day of people's rhythm of life, various instant food become more and more popular.Present instant food no longer is confined to instant noodles, instant bean vermicelli and so on, foods such as various dessert, steamed bun, rice, seasoning soup juice, seasoning dip, vegetables have appearred in large quantities, their nutrition is balanced more, abundant, more approach daily edible food, for people's life provides a great convenience.Usually, some low temperature of these foods or refrigerated storage and sale, some then can normal temperature be handled, and only need being placed in the micro-wave oven once more before the customer is edible, heating is an edible.
Above-mentioned food, if pack with common sealing bag (or pallet), when micro-wave oven heats, because the moisture in the food gasifies fast, produce barometric pressure in the packaging bag thereby make, as shown in Figure 1, the sealing part of normal packet pack all seals pressure, packaging bag edge sealing 1 place is stressed evenly, thereby very easily causes packaging bag to be exploded in micro-wave oven, and might cause food to be splashed in the whole micro-wave oven.Generation for fear of above-mentioned phenomenon, the food manufacturer usually advises that the customer cuts off sack before heating, perhaps directly food is taken out heating in packaging bag, but this kind type of heating can make the moisture loss in a large number in heat process in the food, make that the food mouthfeel is dry and astringent, simultaneously, the local flavor of food also is lost in the air easily, and its operating process is loaded down with trivial details.
In the prior art, some have also occurred and had the packaging pouch for microwave oven of automatic deflation function.A kind of is to make special heat-sealing shape to make thin spot on certain edge sealing of packaging bag, can automatic deflation at the thin spot place during packaging bag expanded by heating.Another kind is the front in packaging bag, and one and half through holes are arranged, and promptly outer rigid material has been opened a hole, and the internal layer heat-sealable material is still intact, and gas broke through this half through hole and emits automatically when sack expanded.Preceding a kind of mode can only be used the pre-formed bags pattern, is not suitable for high-speed automated packaging process; A kind of packaging bag in back in process of production, the sack of different size must special be made a special version roller, its cost of manufacture is higher.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, the packaging bag that has the automatic deflation function when providing a kind of micro-wave oven to heat, this packaging bag can heated with the food that is placed in one under the leak free situation fully, the local flavor of food can fully be retained in food inside, and is safe and reliable; Simultaneously, its manner of packing helps high-speed automated packing.
Realize above-mentioned technical purpose in order to reach, the utility model is realized by following technical scheme:
A kind of packaging pouch for microwave oven, comprise at least and press the bag that forms by two-layer bag stature material envelope, described every layer of bag stature material is divided into heat cover and non-heat cover, is provided with edge sealing on bag, the heat cover place of described at least one edge sealing all or the part be provided with coating area.
Described coating area place is coated with the heat sealability coating, the heat seal strength in the heat seal strength of this coating area and other edge sealing zones quite or low slightly, can guarantee that packaging bag can at this zone edge sealing separately not effectively prevent inner food and polluted at normal accumulating, sales section; In addition, when the packaging bag that contains food is heated in micro-wave oven, rising heat seal strength reduction along with temperature, pressure in the bag, when temperature, when pressure reaches certain condition, the heat seal strength at coating place reduces, thereby separate at this heat-sealing location edge sealing, discharge the vapours that produces when heating in the output, prevent the packaging bag blast.
In the utility model, described packaging bag is three banding bags or is four banding bags that described bag stature material package is drawn together upper strata bag stature material and lower floor's bag stature material, and described coating is coated on the heat cover of upper strata bag stature material or lower floor's bag stature material.
In the utility model, described packaging bag also can be envelope in middle envelope or the class, and described bag stature material package is drawn together upper strata bag stature material and lower floor's bag stature material, and described coating is coated on the bag stature material heat cover of upper strata.
In the utility model, described packaging bag can also be the epiphragma product, its bag stature material package draw together the epiphragma material and with the bottom tray of its heat-sealing, described coating is coated on the heat cover of epiphragma material partly.After having the epiphragma material and bottom tray heat-sealing of specific coatings, form the zone, have identical micro-wave oven heating automatic deflation function in the edge sealing zone.
Compared with prior art, the beneficial effects of the utility model:
(1) the utility model packaging bag edge sealing is firm, can guarantee the leak tightness in accumulating and sales section packing better;
(2) the utility model packaging bag can be emitted proper amount of gas as required automatically in micro-wave oven heat process, reducing the loss of moisture and local flavor in the food, can be better the local flavor of moisture and food be retained in the packaging bag;
(3) the utility model packaging bag coating area can reduce its heat seal strength automatically under micro-wave oven heats high-temperature condition, realizes the automatic deflation function of packaging bag, makes packaging bag automatic deflation function more stable, and is more safe and reliable during use;
(4) the utility model both can provide pre-formed bags to use, and also can provide the volume film to use, and was convenient to it and produced on high-speed automated baling line, improved its production efficiency effectively.
Description of drawings
Packaging pouch for microwave oven scheme drawing in Fig. 1 prior art;
The structural representation of Fig. 2 the utility model four banding bags;
The structural representation of Fig. 3 the utility model coating area;
The structural representation of Fig. 4 the utility model three banding bags;
Fig. 5 is the structural representation of the middle envelope of the utility model coating;
Other bags type structural representation of Fig. 6 the utility model coating;
The structural representation of Fig. 7 the utility model coating epiphragma material.
The specific embodiment
Present embodiment is that the packaging bag with four banding bags and three banding bags is that example describes, shown in Fig. 2～4, a kind of packaging pouch for microwave oven of the present utility model, comprise that two-layer bag stature material is a upper strata bag stature material 3, lower floor's bag stature material 4 envelopes are pressed the bag that forms, on described being somebody's turn to do, two-layer down bag stature material 3,4 are equipped with heat cover 32,42 and non-heat cover 31,41, described bag envelope pressure place is an edge sealing 1, the heat cover 32 of described edge sealing 1,42 are provided with coating area 2, these coating area 2 places are coated with heat sealability coating 5 partly, and this coating 5 is to be coated in advance before bag on the heat cover of upper strata bag stature material 3 or lower floor's bag stature material 4.Certainly, described coating 5 also can be coated these coating area 2 places fully, and it can form a coating zone on heat cover 32 or heat cover 42, then with lower floor's bag stature material 4 heat-sealings.
In the utility model, edge sealing 1 is the ordinary hot edge sealing, the heat seal strength of the heat seal strength of coating area 2 and common edge sealing 1 under the normal temperature situation quite or low slightly.When the packages sealed bag that food is housed, be placed on when heating in the micro-wave oven, rising along with temperature and pressure in the bag, the heat seal strength of coating area 2 reduces rapidly, thereby the edge sealing 1 at coating area 2 separates, and exhausr port appears in the midway location at coating area 2 automatically, discharges unnecessary gas in the packages sealed bag, prevent that the packaging bag blast from producing the vapours that heating produces in the release output, prevents the blast of packaging bag effectively.
Embodiment two
Present embodiment is identical with the basic structure of embodiment one, its difference is: present embodiment is to be that example describes with envelope in middle envelope (pillow type bag) or the class, as shown in Figure 5, coating 5 is coated on the heat cover of upper strata bag stature material 3, has formed edge sealing 1 and coating area 2 respectively in envelope nip territory, end.The heat seal strength of the heat seal strength of described coating area 2 and edge sealing 1 under the normal temperature situation quite or low slightly.When being loaded with food in the packaging bag, it being placed in the micro-wave oven heating, along with the rising of temperature and pressure in the packaging bag, the heat seal strength of coating area 2 reduces rapidly, automatically exhausr port appears in the midway location at coating area 2, discharges a unnecessary gas in the bag, prevents that packaging bag from blasting.
Embodiment three
Present embodiment is identical with the basic structure of aforementioned two embodiment, and its difference is: present embodiment is to be that example describes with other bag type, and as shown in Figure 6, coating 5 is coated on the heat cover of the bag stature material of whole edge sealing 1, behind the bag, forms whole edge sealing 1.The heat seal strength of the heat seal strength of coating area 2 and common edge sealing 1 under the normal temperature situation quite or low slightly.When being loaded with food in the packaging bag, it being placed in the micro-wave oven heating, along with the rising of temperature and pressure in the packaging bag, the heat seal strength of coating area 2 reduces rapidly, automatically exhausr port appears in the midway location at coating area 2, discharges a unnecessary gas in the bag, prevents that packaging bag from blasting.
Embodiment four
Present embodiment is to be that example describes with the epiphragma product.As shown in Figure 7, coating 5 is coated on the heat cover of epiphragma material 6 partly, and epiphragma material 6 and bottom tray 7 heat-sealings form ordinary hot edge sealing 1 and coating area 2 respectively at the top of bottom tray 7.The heat seal strength of the heat seal strength of coating area 2 and common edge sealing 1 under the normal temperature situation quite or low slightly.When being loaded with food in the packaging bag, it is placed in the micro-wave oven heats, rising along with temperature and pressure in the packaging bag, the heat seal strength of coating area 2 reduces rapidly, automatically exhausr port appears in the midway location at coating area 2, discharge unnecessary gas in the bag, effectively prevent packaging bag and blast, use more safe and reliable.
Claims (5)
1. packaging pouch for microwave oven, comprise at least and press the bag that forms by two-layer bag stature material envelope, described every layer of bag stature material is divided into heat cover and non-heat cover, is provided with edge sealing on bag, it is characterized in that: the heat cover place of described at least one edge sealing all or the part be provided with coating area.
2. packaging pouch for microwave oven according to claim 1 is characterized in that: described coating area place is coated with the heat sealability coating.
3. packaging pouch for microwave oven according to claim 1 and 2, it is characterized in that: described packaging bag is three banding bags or is four banding bags, described bag stature material package is drawn together upper strata bag stature material and lower floor's bag stature material, and described coating is coated on the heat cover of upper strata bag stature material or lower floor's bag stature material.
4. packaging pouch for microwave oven according to claim 1 and 2, it is characterized in that: described packaging bag is an envelope in middle envelope or the class, described bag stature material package is drawn together upper strata bag stature material and lower floor's bag stature material, and described coating is coated on the bag stature material heat cover of upper strata.
5. packaging pouch for microwave oven according to claim 1 and 2 is characterized in that: described packaging bag comprise the epiphragma material and with the bottom tray of its heat-sealing, described coating is coated on the heat cover of epiphragma material partly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200478761U CN201224569Y (en) | 2008-05-19 | 2008-05-19 | Packing bag for micro-wave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200478761U CN201224569Y (en) | 2008-05-19 | 2008-05-19 | Packing bag for micro-wave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201224569Y true CN201224569Y (en) | 2009-04-22 |
Family
ID=40597451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200478761U Expired - Fee Related CN201224569Y (en) | 2008-05-19 | 2008-05-19 | Packing bag for micro-wave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201224569Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843298A (en) * | 2015-04-07 | 2015-08-19 | 大连大富塑料彩印有限公司 | Food packaging bag suitable for being heated |
| CN112497844A (en) * | 2013-06-05 | 2021-03-16 | 环美有限公司 | Method for producing fabric bags or containers using heat-welded seams |
-
2008
- 2008-05-19 CN CNU2008200478761U patent/CN201224569Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497844A (en) * | 2013-06-05 | 2021-03-16 | 环美有限公司 | Method for producing fabric bags or containers using heat-welded seams |
| CN104843298A (en) * | 2015-04-07 | 2015-08-19 | 大连大富塑料彩印有限公司 | Food packaging bag suitable for being heated |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20140519 |