JPS586386A - Manufacture of heat insulating box body for refrigerator - Google Patents
Manufacture of heat insulating box body for refrigeratorInfo
- Publication number
- JPS586386A JPS586386A JP10241681A JP10241681A JPS586386A JP S586386 A JPS586386 A JP S586386A JP 10241681 A JP10241681 A JP 10241681A JP 10241681 A JP10241681 A JP 10241681A JP S586386 A JPS586386 A JP S586386A
- Authority
- JP
- Japan
- Prior art keywords
- outer frame
- heat insulating
- inner box
- space
- synthetic 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.)
- Pending
Links
Landscapes
- Refrigerator Housings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、冷蔵庫断熱箱体の製造方法、時に内箱と外枠
体とから構成される空間に注入された発泡性液状合成樹
脂を発泡させることによって上記空間を断熱材でもって
充填するように構成された冷蔵庫断熱箱体の製造方法に
おいて、型材を当接させることが不可能な部分に対応し
て予め上記発泡性液状合成樹脂を発泡させて形成された
断熱材を充填しておくことによって上記不可能な部分に
対して発泡圧が加わらないようにした冷蔵庫断熱箱体の
製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for manufacturing a refrigerator insulating box, in which a foamable liquid synthetic resin is injected into a space consisting of an inner box and an outer frame, and the space is insulated by foaming. In the method of manufacturing a refrigerator insulation box configured to be filled with material, the insulation material is formed by foaming the above-mentioned foamable liquid synthetic resin in advance in areas where it is impossible to contact the mold material. The present invention relates to a method of manufacturing a heat-insulating refrigerator box in which foaming pressure is not applied to the impossible portions by filling the box with foam.
一般に冷絨庫においては、冷械物を収容する内箱と該内
箱の外部を所定の間隙でもって囲焼する外枠体との間に
断熱物質を充填して断熱箱体を構成している。そして、
上記内箱と外枠体との間に断熱物質を充填する一方法と
して、該内箱と外枠体とによって空間を構成するように
し、該空間に発泡性液状合成樹脂を注入して発泡させる
ことによって該空間を発泡断熱材でもって充填して断熱
性金得る方法がある。この場合、発泡時の圧力が上記内
箱および外枠体の内壁面にかかるが、通常該内箱および
外枠体はプラスチックや金属の薄い板あるいは枠体で形
成されているため、上記発泡圧に耐えることができず膨
らんだり変形したりする。そのため、型材でもって上記
内箱および外枠体の外周部を押える必要がある。しかし
ながら、冷媒用配管の都合上、上記発泡断熱材形成前に
予め冷凍用圧縮器や凝縮器等の機器を外枠体の所定の位
置に取付けておかねばならない。従って、上記1り材を
外枠体に当接させるに当って、上記機器が取付けられて
いる外枠体の部分には直接型材を当接させることが出来
ないため、上記発泡断熱材形成時にその部分だけが発泡
圧によって膨らんでしまう欠点があった。Generally, in a cold carpet warehouse, a heat insulating box is constructed by filling a heat insulating material between an inner box that houses refrigerated items and an outer frame that surrounds the outside of the inner box with a predetermined gap. There is. and,
One method of filling the space between the inner box and the outer frame with a heat insulating material is to form a space between the inner box and the outer frame, and inject a foamable liquid synthetic resin into the space to foam it. Accordingly, there is a method of filling the space with a foamed heat insulating material to obtain heat insulating properties. In this case, the pressure during foaming is applied to the inner wall surfaces of the inner box and outer frame, but since the inner box and outer frame are usually made of thin plastic or metal plates or frames, the foaming pressure is It cannot withstand the heat and swells and deforms. Therefore, it is necessary to press the outer periphery of the inner box and outer frame with a shape material. However, due to the arrangement of refrigerant piping, equipment such as a refrigeration compressor and condenser must be attached to predetermined positions on the outer frame before forming the foamed heat insulating material. Therefore, when the above-mentioned single piece of material is brought into contact with the outer frame, it is not possible to bring the mold material into direct contact with the part of the outer frame where the above-mentioned equipment is attached. There was a drawback that only that part would swell due to the foaming pressure.
本発明は、上d己の如き欠点全解決することを目的とし
、内々j1と外枠体とから構成される空間内に注入され
た発泡性液状合成樹脂を発泡させることによって上記空
間を発泡断熱材でもって充填するように構成された冷蔵
庫断熱箱体の製造方法において、型材の当接不可能部分
は予め上記発泡性液状合成樹脂を発泡させて形成された
発泡断熱材を充填させておくことによって、上記内箱ま
たは外枠体に型材が部分的に直接当接しない部分があっ
ても支障なく上記内箱と外枠体どの間に上記発泡断熱材
を充填することができる冷蔵庫断熱箱体の製造方法を提
供することを目的としている。以下図面を参照しつつ説
明する。The purpose of the present invention is to solve all of the above drawbacks, and by foaming a foamable liquid synthetic resin injected into the space consisting of the inner part and the outer frame, the above space is made into a foamed heat insulating material. In the method for manufacturing a refrigerator insulation box configured to be filled with material, the portions where the mold material cannot come into contact are filled in advance with a foamed insulation material formed by foaming the foamable liquid synthetic resin. Accordingly, the foam insulation material can be filled between the inner box and the outer frame without any problem even if there are parts of the inner box or outer frame that are not in direct contact with the mold material. The purpose is to provide a manufacturing method for. This will be explained below with reference to the drawings.
図は本発明の冷蔵庫断熱箱体の製造方法の一実施例を説
明するだめの断熱箱体断面図である。図中の符号1は内
箱であってエバポレータを兼ねるもの、2は外枠体、3
は冷凍装置部、4および5は発泡断熱材であって、発泡
断熱材4は予め発泡性液状合成樹脂を発泡させて形成さ
れた発泡断熱材が挿置されたものであり、発泡断熱材5
は内箱1と外枠体2とによって構成される空間内に上記
発泡性液状合成樹脂を注入して発泡させたものである。The figure is a sectional view of a thermal insulation box for explaining an embodiment of the method for manufacturing a refrigerator insulation box according to the present invention. In the figure, numeral 1 is an inner box that also serves as an evaporator, 2 is an outer frame, and 3
Reference numerals 4 and 5 refer to the refrigeration equipment section, and 4 and 5 are foamed heat insulating materials, in which the foamed heat insulating material 4 is formed by foaming a foamable liquid synthetic resin in advance, and the foamed heat insulating material 5 is inserted therein.
The foamable liquid synthetic resin is injected into the space formed by the inner box 1 and the outer frame 2 and foamed.
図示されている本発明の一実施例は、基本的には本願明
細書冒頭に述べた如く、内箱]と外枠体2とによって囲
まれた空間に発泡性液状合成樹脂全注入して発泡させる
ことによって、上記内箱1と外枠体2との間に発泡断熱
材5を充填するように製造されるものである。前述した
如く上記発泡時には、発泡圧が内箱1および外枠体2の
内壁面にかかるため、該内箱lおよび外枠体2の外面を
図示省略した型材でもって押えておかねばならな1/)
。しかしながら、図示実施例の如く内箱1と圧縮機や凝
縮器等の、冷凍装置部3との間に冷媒用配管(図示省略
)が接続されていることがある。従って、断熱侑体金外
殻を構成する内箱1および外枠体2の組立時に上記冷凍
装置部3を外枠体2に取付けておかねばならない。その
ため、該冷凍装置部3が取付けられている部分は型材で
もって押えることが不0T能であり、そのままの状態で
発泡性液状合成樹脂を発泡させると、その部分が膨らん
でし壕う非所望な状態が発生する。The illustrated embodiment of the present invention is basically as described at the beginning of this specification, in which the foamable liquid synthetic resin is completely injected into the space surrounded by the inner box and the outer frame 2. By doing so, the foamed heat insulating material 5 is filled between the inner box 1 and the outer frame 2. As mentioned above, during the foaming process, the foaming pressure is applied to the inner wall surfaces of the inner box 1 and the outer frame 2, so the outer surfaces of the inner box 1 and the outer frame 2 must be held down with a mold material (not shown). /)
. However, as in the illustrated embodiment, a refrigerant pipe (not shown) may be connected between the inner box 1 and the refrigeration device section 3 such as a compressor or a condenser. Therefore, the refrigeration device section 3 must be attached to the outer frame 2 when the inner box 1 and outer frame 2, which constitute the heat-insulating outer shell, are assembled. Therefore, it is impossible to hold down the part where the refrigeration device part 3 is attached with the mold material, and if the foamable liquid synthetic resin is foamed in that state, the part will swell and cave in, which is an undesirable problem. A situation occurs.
本発明においては、上記の如く型材で押えることの出来
ない部分即ち図示実施例における冷凍装置部3の取付は
部分と該取付は部分に対向する内、消1との間に予め発
泡性液状合成樹脂を発泡させて形成された発泡断熱材4
を挿置しておく。そして、該発泡断熱材4を除く空間に
上記発泡性液状合成樹脂を注入した上で発泡させるよう
にすると該空間は発泡断熱材5でもって充填されること
になる。なおこの場合、上記冷凍装置部3が取付けられ
ている部分以外は、図示省略した型材でもって押えられ
ていることは勿論であるが、上記冷凍装置部3の取付は
部分の内部には、予め発泡断熱材4が充填されているた
め発泡時の圧力がかかることがなく、図示実施例の如く
所望する形状の断熱箱体を製造することが可能となる。In the present invention, as mentioned above, the part that cannot be held down by the mold material, that is, the attachment part of the refrigeration equipment part 3 in the illustrated embodiment, is made by preliminarily forming a foaming liquid compound between the part and the blower 1, which is opposite to the part. Foamed insulation material 4 formed by foaming resin
Insert it. Then, by injecting the foamable liquid synthetic resin into the space excluding the foamed heat insulating material 4 and causing it to foam, the space will be filled with the foamed heat insulating material 5. In this case, it goes without saying that the parts other than the part to which the refrigeration equipment part 3 is attached are held down by molded materials (not shown); Since the foamed heat insulating material 4 is filled, no pressure is applied during foaming, making it possible to manufacture a heat insulating box of a desired shape as in the illustrated embodiment.
また、上記注入された発泡性液状合成樹脂は予め充填さ
れている発泡断熱材4に密着するため、該発泡断熱材4
とあとから形成される発泡断熱材5とは一体になるばか
りでなく、予め充填される発泡断熱材4と内箱」、およ
び外枠体2との僅かな間隙にも上記発泡性成状合成樹脂
が浸入するため上記内箱1と外枠体2とによって囲まれ
る空間は発泡断熱材4および5によって完全に充填され
て断熱性能の良い断熱箱体が祷られる。なお、上記発泡
断熱材4と内箱1および外枠体2との間隙に浸入する上
記発泡性液状合成樹脂の量は僅かであるため、該浸入し
た液状合成樹脂の発泡圧によって外枠体2が変形するこ
とはない。In addition, since the injected foamable liquid synthetic resin adheres closely to the foam insulation material 4 filled in advance, the foam insulation material 4
Not only is the foam insulation material 5 formed later integrated with the foam insulation material 5, but also the foam insulation material 4 and the small gap between the pre-filled foam insulation material 4, the inner box, and the outer frame 2 are filled with the foam insulation material 5. Since the resin penetrates, the space surrounded by the inner box 1 and outer frame 2 is completely filled with the foamed heat insulating materials 4 and 5, so that a heat insulating box with good heat insulation performance is desired. Note that since the amount of the foamable liquid synthetic resin that enters into the gaps between the foamed heat insulating material 4 and the inner box 1 and outer frame 2 is small, the foaming pressure of the infiltrated liquid synthetic resin causes the outer frame 2 to is not deformed.
以上説明した如く、本発明によれば、冷蔵庫の内箱と外
枠体との間に発泡性液状合成樹脂を発泡させて断熱箱体
を製造するに当って、型材の当接不可能部分の内部に予
め形成された発泡断熱材を充填しておく簡単な手段を施
すだけで、上記内箱と外枠体とを変形させることなく、
該内箱と外枠体との間を一体の発泡断熱材によって完全
に充填することが可能である冷蔵庫断熱箱体の製造方法
を提供することができる。As explained above, according to the present invention, when manufacturing a heat insulating box by foaming a foamable liquid synthetic resin between the inner box and the outer frame of a refrigerator, the parts of the mold material that cannot be contacted are removed. By just taking a simple step of filling the inside with a pre-formed foam insulation material, the inner box and outer frame can be made without deforming.
It is possible to provide a method for manufacturing a refrigerator heat-insulating box body in which the space between the inner box and the outer frame body can be completely filled with an integral foam heat-insulating material.
なお上記枠体として箱形のものを図示したが、これに限
られるものではなく、いわゆる外枠のみのものでもよい
。Although a box-shaped frame is shown as the frame, the present invention is not limited to this, and may be a so-called outer frame only.
図は本発明の冷蔵庫断熱箱体の製造方法の一実施例を説
明するための断熱箱体断面図を示す。
図中、1は内箱、2は外枠体、3は冷凍装置部、4およ
び5は発泡断熱材を表わす。
特許出願人 澤藤電機株式会社The figure shows a sectional view of a heat insulating box for explaining an embodiment of the method for manufacturing a heat insulating refrigerator box according to the present invention. In the figure, 1 is an inner box, 2 is an outer frame, 3 is a refrigeration device, and 4 and 5 are foamed heat insulating materials. Patent applicant: Sawafuji Electric Co., Ltd.
Claims (1)
囲佛する外枠体との外周面に型材を当接させて、該内箱
と外枠体とによって構成される空間に発泡性液状合成樹
脂を注入し、該発泡性液状合成樹脂を発泡させて形成し
た断熱材が上記空間を充填してなる冷蔵庫断熱箱体の製
造方法において、上記型材の当接不可能部分の内箱と外
枠体との間隙に予め上記発泡性液状合成樹脂を発泡させ
て形成された断熱材を充填しておき、他の空間に上記発
泡性液状合成樹脂を注入して発泡させることによって上
記空間が上記予め発泡形成された断熱材と一体化された
断熱材によって充填するようにしたことを特徴とする冷
蔵庫断熱箱体の製造方法。A mold material is brought into contact with the outer peripheral surfaces of an inner box that is to house refrigerated items and an outer frame that surrounds the inner box with a predetermined gap, and foam is formed in the space formed by the inner box and the outer frame. In the method for manufacturing a refrigerator insulation box body, the space is filled with a heat insulating material formed by injecting a foamable liquid synthetic resin and foaming the foamable liquid synthetic resin, and the inner box of the part of the mold material that cannot be touched. A heat insulating material formed by foaming the above-mentioned foamable liquid synthetic resin is filled in advance in the gap between the space and the outer frame, and the above-mentioned space is filled by injecting and foaming the above-mentioned foamable liquid synthetic resin into the other space. A method for manufacturing a refrigerator insulation box, characterized in that the insulation material is filled with a heat insulation material integrated with the foamed insulation material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10241681A JPS586386A (en) | 1981-07-01 | 1981-07-01 | Manufacture of heat insulating box body for refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10241681A JPS586386A (en) | 1981-07-01 | 1981-07-01 | Manufacture of heat insulating box body for refrigerator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS586386A true JPS586386A (en) | 1983-01-13 |
Family
ID=14326836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10241681A Pending JPS586386A (en) | 1981-07-01 | 1981-07-01 | Manufacture of heat insulating box body for refrigerator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS586386A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53107770A (en) * | 1977-03-02 | 1978-09-20 | Mitsubishi Electric Corp | Refrigerator cavinet |
-
1981
- 1981-07-01 JP JP10241681A patent/JPS586386A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53107770A (en) * | 1977-03-02 | 1978-09-20 | Mitsubishi Electric Corp | Refrigerator cavinet |
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