KR940008442B1 - Lunch box - Google Patents

Lunch box Download PDF

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Publication number
KR940008442B1
KR940008442B1 KR1019920010439A KR920010439A KR940008442B1 KR 940008442 B1 KR940008442 B1 KR 940008442B1 KR 1019920010439 A KR1019920010439 A KR 1019920010439A KR 920010439 A KR920010439 A KR 920010439A KR 940008442 B1 KR940008442 B1 KR 940008442B1
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KR
South Korea
Prior art keywords
valve
lid
lunch box
main body
pressure
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Application number
KR1019920010439A
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Korean (ko)
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KR930005576A (en
Inventor
요오이찌 구사노
Original Assignee
산세이 고교 가부시기가이샤
배기두
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Publication of KR930005576A publication Critical patent/KR930005576A/en
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Publication of KR940008442B1 publication Critical patent/KR940008442B1/en

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Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20Lunch or picnic boxes or the like

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Cookers (AREA)
  • Closures For Containers (AREA)

Abstract

내용 없음.No content.

Description

도시락상자Lunch box

제1도는 본 발명의 도시락상자의 사시도.1 is a perspective view of a lunch box of the present invention.

제2도는 제1도의 일부확대도.2 is a partially enlarged view of FIG.

제3도는 압력조정밸브의 단면도.3 is a sectional view of the pressure regulating valve.

제4도는 압력조정밸브의 배기구측이 열린상태를 나타낸 단면도.4 is a cross-sectional view showing an open state of the exhaust port side of the pressure regulating valve.

제5도는 압력조정밸브의 흡기구측이 열린상태를 나타낸 단면도.5 is a cross-sectional view showing the inlet port side of the pressure regulating valve opened.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 뚜껑 2 : 본체1: lid 2: body

3 : 압력조정밸브 7 : 밸브체3: Pressure regulating valve 7: Valve body

본 발명은 밥이나 반찬등의 식품을 수용하는 합성수지제의 도시락상자의 개량에 관한 것이다.The present invention relates to an improvement of a lunch box made of synthetic resin containing food such as rice or side dishes.

종래의 도시락상자는 수용한 식품에서 나오는 국물이 도시락상자 밖으로 새어나오지 않도록 뚜껑과 본체와의 사이에 팩킹등을 구비하고 본체의 내부를 밀폐하고 있었다.The conventional lunch box was provided with a packing etc. between the lid and the main body, and sealed the inside of the main body so that the broth from the food received would not leak out of the lunch box.

그 때문에 도시락상자에 따뜻한 그대로의 식품을 수납하면, 본체의 내부가 밀폐되어 있으므로, 식품이 식어짐에 따라서 본체의 내부의 압력이 낮아져서, 본체에 덮은 뚜껑이 열기 어렵게 된다고 하는 문제점이 있었다.Therefore, when food as it is warm is stored in a lunch box, since the inside of the main body is sealed, the pressure inside the main body decreases as the food cools, and there is a problem that the lid covered by the main body becomes difficult to open.

또 도시락상자에 넣은 뚜껑을 닫은 채로 전자렌지에서 가열하면, 도시락상자의 속의 압력이 급격하게 상승하여 파열하므로, 뚜껑을 열어서 가열하지 않으면 안되었다.In addition, when heating in a microwave oven with the lid in the lunch box closed, the pressure in the lunch box suddenly rises and bursts, so the lid has to be heated.

그러나 뚜껑을 열어서 가열하면 식품의 표면이 건조하여 풍미(風味)가 떨어진다는 문제점이 있었다.However, when the lid is opened and heated, there is a problem that the surface of the food is dried and the flavor is reduced.

그래서 본 발명에서는 상기의 문제점을 해결한 도시락상자를 제공하는 것을 목적으로 한다.Therefore, an object of the present invention is to provide a lunch box that solves the above problems.

본 발명에서는 도시락상자의 뚜껑(1)에 본체(2)의 내부와 외부와의 압력차가 생겼을때에 열리고, 압력차가 없을때에는 닫치는 압력조정밸브(3)를 구비한 것으로 하였다.In the present invention, the lid 1 of the lunch box is provided with a pressure regulating valve 3 which opens when a pressure difference between the inside and the outside of the main body 2 occurs and closes when there is no pressure difference.

상기의 압력조정밸브(3)의 밸브체(7)는 연질합성수지나 고무등의 연질엘라스토마-조성물로 형성하는 것이 바람직하다.The valve body 7 of the pressure regulating valve 3 is preferably formed of a soft elastomer composition such as a soft synthetic resin or rubber.

본 발명은 다음의 작용을 가진다.The present invention has the following functions.

도시락상자의 본체(2)의 내부의 압력이 외부보다 높아지면, 압력조정밸브(3)가 열리어서 본체(2) 내부의 공기를 배출하여 외부와의 압력차를 없앤다.When the pressure inside the main body 2 of the lunch box becomes higher than the outside, the pressure regulating valve 3 is opened to exhaust the air inside the main body 2 to eliminate the pressure difference from the outside.

또 도시락상자의 본체(2)의 내부의 압력이 외부보다 낮아지면 압력조정밸브(3)가 열리어서 외부의 공기를 본체(2) 내부로 넣어서 외부와의 압력차를 없앤다.In addition, when the pressure inside the main body 2 of the lunch box is lower than the outside, the pressure regulating valve 3 is opened to put the outside air into the main body 2 to eliminate the pressure difference from the outside.

이하 본 발명의 구성을 도면에 따라서 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated according to drawing.

제1도는 본 발명의 실시예를 나타낸 도시락상자이며, 뚜껑(1)과 본체(2)가 착탈자재로 감합되어 있다.1 is a lunch box showing an embodiment of the present invention, wherein the lid 1 and the main body 2 are fitted with a removable material.

뚜껑(1)에는 수용한 식품에서 나오는 국물이 도시락상자의 밖으로 새어나오지 않도록 뚜껑(1)과 본체(2)와의 사이에 팩킹(도시 생략)을 구비하고 있고, 본체(2)의 내부를 밀폐 가능하게 하고 있다.The lid 1 is provided with a packing (not shown) between the lid 1 and the main body 2 so that the broth from the food received does not leak out of the lunch box, and the inside of the main body 2 can be sealed. I'm letting you.

뚜껑(1)의 상면에는 본체(2)의 내부와 외부와의 압력차가 생겼을 때에 열리고, 압력차가 없을 때에는 닫히는 압력조정밸브(3)가 구비되어 있다.The upper surface of the lid 1 is provided with a pressure regulating valve 3 which opens when there is a pressure difference between the inside and the outside of the main body 2 and closes when there is no pressure difference.

압력조정밸브(3)는 제2도와 같이 뚜껑(1)이 천설된 2개의 구멍 즉, 흡기구(4), 배기구(6)와 밸브체고정부(5) 및 연질합성수지나 실리콘고무등의 연질엘라스토마-조성물로서 이루어진 밸브체(7)로서 구성되어 있다.As shown in FIG. 2, the pressure regulating valve 3 has two holes in which the lid 1 is installed, that is, an inlet port 4, an exhaust port 6, a valve body fixing part 5, and a soft elastomer such as a soft synthetic resin or silicone rubber. It is comprised as the valve body 7 comprised as a toma composition.

흡기구(4) 및 배기구(6)는 밸브체고정부(5)를 중심으로 하여 상대하는 위치에 천설되어 있지만 반드시 상대하는 위치가 아니라도 무방하다.Although the inlet port 4 and the exhaust port 6 are installed at the position which opposes centering on the valve body fixing part 5, it may not necessarily be a position which opposes.

밸브체고정부(5)는 밸브체(7)를 뚜껑(1)에 부착하기 위한 것이며, 이 실시예에서는 천설한 구멍으로 하고, 밸브체(7)의 동체부(7a)를 감입하고 있다.The valve body fixing part 5 is for attaching the valve body 7 to the lid 1, and in this embodiment, it is a hollow hole, and the body part 7a of the valve body 7 is inserted.

밸브체고정부(5), 흡기구(4) 및 배기구(6)를 따로따로의 구멍으로서 형성하여도 되지만, 이 실시예와 같이 밸브체고정부(5), 흡기구(4) 및 배기구(6)를 연통하여 형성하면 밸브체(7)를 장착하기 쉽게 된다.Although the valve body fixing part 5, the inlet port 4, and the exhaust port 6 may be formed as separate holes, the valve body fixing part 5, the inlet port 4, and the exhaust port 6 are opened as in this embodiment. If formed through, it becomes easy to mount the valve body 7.

밸브체(7)는 제3도에 나타낸 바와 같이 상부의 밸브뚜껑(8)과 하부의 밸브뚜껑(9)을 가지며, 밸브뚜껑(8)은 배기구(6)에 밀착하고, 밸브뚜껑(8)은 흡기구(4)에 밀착하여 본체(2)의 내부를 밀폐하는 역할을 하고 있다. 또한 동체부(7a)는 상하의 밸브뚜껑(8)(9)을 소정의 위치에 부착할 뿐 아니라 흡기측과 배기측을 칸막이 하는 역할도 하고 있다.The valve body 7 has an upper valve lid 8 and a lower valve lid 9 as shown in FIG. 3, the valve lid 8 is in close contact with the exhaust port 6, and the valve lid 8. Is in close contact with the inlet 4 and serves to seal the inside of the body 2. In addition, the body portion 7a not only attaches the upper and lower valve lids 8 and 9 to a predetermined position, but also serves to partition the intake side and the exhaust side.

흡기구(4), 밸브체고정부(5) 및 배기구(6)는 뚜껑(1)의 표면보다 한층 내려가서 형성되어 있고, 밸브체(7)의 상부의 밸브뚜껑(8)이 뚜껑(1)의 표면에서 돌출하지 않도록 되어 있다.The inlet port 4, the valve body fixing part 5, and the exhaust port 6 are formed further down the surface of the lid 1, and the valve lid 8 on the upper part of the valve body 7 is formed of the lid 1. It does not protrude from the surface.

밸브체고정부(5)는 이 실시예에서는 구멍으로 하였으나 밸브뚜껑(8)(9)을 뚜껑(1)에 고정할 수 있는 구조(예를들면 밸브체고정부(5)를 돌기로 하고 밸브체(7)에 돌기와 대응하는 계합부를 구비하는 등의 구조)로 변경하여도 된다.The valve retainer 5 is a hole in this embodiment, but a structure capable of fixing the valve caps 8 and 9 to the cap 1 (for example, the valve retainer 5 is turned and the valve body ( 7), such as a structure having a projection and a corresponding engaging portion).

압력조절밸브(3)의 구조는 상기 이외에도 여러가지 생각되지만, 도시락상자의 본체(2) 내부의 압력이 외부에 대하여 변화하면 열려서 외부외의 압력차를 없애는 기능을 가지는 것이라면 어떻게라도 변경할 수 있다.Although the structure of the pressure regulating valve 3 can be variously considered in addition to the above, if the pressure inside the main body 2 of a lunch box changes with respect to the outside, it can open | release if it has a function which eliminates the pressure difference of the outside.

이러한 구성으로서 이루어진 도시락상자의 본체(2)에 뜨거운 밥을 넣으면 본체(2)의 내부에 갇혀 있던 공기가 팽창하여 본체(2)의 내부의 압력이 높아진다.When hot rice is put into the main body 2 of the lunch box which consists of such a structure, the air trapped in the inside of the main body 2 expands, and the pressure inside the main body 2 becomes high.

그러면, 제4도에 나타낸 바와 같이 밸브뚜껑(8)이 열리고, 배기구(6)를 통하여 공기가 외부로 배기되어 압력이 외부와 같게 된다.Then, as shown in FIG. 4, the valve lid 8 is opened, the air is exhausted to the outside through the exhaust port 6, and the pressure is the same as the outside.

밥이 시간의 경과에 따라 식어지면 본체(2)의 내부에 갇혀진 공기가 수축하고, 본체(2)의 내부의 압력이 낮아진다. 그러면 제5도에 나타낸 바와 같이 밸브뚜껑(9)이 열리고, 흡기구(4)를 통하여 공기가 본체(2) 내부에 흡기되어 압력이 외부와 같게 된다.When rice cools over time, the air trapped in the inside of the main body 2 contracts, and the pressure inside the main body 2 falls. Then, as shown in FIG. 5, the valve lid 9 is opened, and air is intaken into the main body 2 through the intake port 4 so that the pressure is the same as the outside.

본 발명은 상술한 바와 같은 구성이며, 도시락상자의 본체(2) 내부의 압력이 외부의 압력과 달라지면 압력조정밸브(3)가 열리고 외부의 압력과 같게 되도록 하므로 도시락상자에 따뜻한 채로의 식품을 수납하여도 뚜껑(1)이 열기 어려운 일이 없다.The present invention has the configuration as described above, the pressure control valve (3) is opened when the pressure inside the main body (2) of the lunch box is different from the external pressure, so that the food stored in the lunch box in the warm box Even if the lid 1 is not difficult to open.

또 도시락상자에 넣은 식품을 전자렌지에서 가열하여도 본체(2) 내부의 압력여하에 따라서 압력조정밸브(3)가 열리므로 파열하는 일이 없다. 또한 뚜껑(1)을 덮은 채라도 가열할 수 있으므로 식품의 표면이 건조하지 않고 풍미가 유지된다고 하는 효과도 있다.In addition, even if the food in the lunch box is heated in the microwave, the pressure regulating valve 3 opens in accordance with the pressure in the main body 2, so that it does not burst. Moreover, since heating can be performed even with the lid 1 covered, there is an effect that the surface of the food is not dried and the flavor is maintained.

Claims (2)

뚜껑(1)과 본체(2)를 가지며 뚜껑(1)에 의해 본체(2)의 내부를 밀폐 가능케한 도시락상자에 있어서, 뚜껑(1) 상면에 흡기구(4)와 배기구(6)를 갖는 밸브체고정부(5)를 뚫고 이에 동체부(7a) 상하에 밸브뚜껑(8)(9)를 넓게 형성한 밸브체(7)를 결합하여 본체(2)의 내부와 외부와의 압력차가 생겼을때에 열리고, 압력차가 없을때에는 닫는 압력조정밸브(3)를 뚜껑(1)에 구비한 것을 특징으로 하는 도시락 상자.In a lunch box having a lid 1 and a main body 2 and allowing the inside of the main body 2 to be sealed by the lid 1, a valve having an inlet port 4 and an exhaust port 6 on the upper surface of the lid 1. When the pressure difference between the inside and the outside of the main body 2 arises by combining the valve body 7 which penetrates the height fixed part 5, and the valve body 8 and 9 which formed the valve cover 8 and 9 widely above and below the fuselage | body part 7a were formed. A lunch box characterized in that the lid (1) is provided with a pressure regulating valve (3) that opens and closes when there is no pressure difference. 제1항에 있어서, 압력조정밸브(3)의 밸브체(7)가 연질엘러스토마-조성물로서 이루어진 것을 특징으로 하는 도시락상자.A lunch box according to claim 1, characterized in that the valve body (7) of the pressure regulating valve (3) consists of a soft elastomer composition.
KR1019920010439A 1991-09-27 1992-06-16 Lunch box KR940008442B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3249413A JPH0584110A (en) 1991-09-27 1991-09-27 Lunch box
JP91-249413 1991-09-27

Publications (2)

Publication Number Publication Date
KR930005576A KR930005576A (en) 1993-04-20
KR940008442B1 true KR940008442B1 (en) 1994-09-15

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Application Number Title Priority Date Filing Date
KR1019920010439A KR940008442B1 (en) 1991-09-27 1992-06-16 Lunch box

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JP (1) JPH0584110A (en)
KR (1) KR940008442B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104718675B (en) 2013-01-07 2017-08-11 三菱电机株式会社 Vacuum circuit breaker
CH709678A2 (en) * 2014-05-21 2015-11-30 Fabian Graf Lunchbox for storing, transporting and cooking of food.
FR3029181B1 (en) * 2014-12-02 2016-12-09 Seb Sa REVERSIBLE COVER AND CONTAINER FORMING A VARIABLE VOLUME FOOD BOX
CN109368013A (en) * 2018-12-01 2019-02-22 东莞即辉塑胶电子有限公司 A kind of closed combined lunch box
US20240225221A9 (en) * 2021-02-26 2024-07-11 Faitron Ag Lunchbox

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KR930005576A (en) 1993-04-20

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