JPS62203670U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of the present invention;
3 and 3 are a plan view and a bottom view of an embodiment of the present invention, and FIG. 4 is an explanatory diagram of the stored state of the present invention,
Figure 5, Figure 6 to Figure 8, Figure 9 to Figure 1
1, 12, and 13 are explanatory diagrams showing different embodiments of the present invention, respectively. 1,1A~1D: Insulated tableware for school lunches, 2,2A~
2C: School lunch thermal tableware body, 3: Opening, 4, 4
A to 4D: Heat insulation lid, 5: Decompression chamber, 6: Inner shell member,
7: outer shell member, 8: opening, 9, 9A: pressure reducing body,
10: Seal material, 11: Notch, 12: Thread bottom, 1
3: Lower lid, 14: Decompression chamber, 15, 15A: Engagement piece, 16: Upper lid, 17: Opening, 18: Sealing material,
19,19A: Decompression body.

Amendment July 21, 1986 The scope of claims for utility model registration is amended as follows.

[Scope of Claim for Utility Model Registration] (1) In a school lunch insulating tableware consisting of a school lunch insulating tableware body and a heat insulating lid that covers an opening of the school lunch insulating tableware body, the school lunch insulating tableware is provided on an upper surface approximately in the center of the school lunch insulating lid. A heat-retaining tableware for school lunches characterized by forming an engaging piece that can be stacked by engaging with the thread bottom of the main body of the tableware. (2) The insulating tableware for school lunches according to claim 1, wherein the main body of the insulating tableware for school lunches is formed in the shape of a bowl, a bowl, a cooking plate, or the like. (3) The main body of the school lunch thermos includes an outer shell member, an inner shell member fixed to the outer shell member so as to form a vacuum chamber between the outer shell member, and heated air inside the vacuum chamber. It is composed of a decompression body formed by filling an open-cell foam, a closed-cell foam, etc., which is a heat insulating material in the shape of a decompression chamber, and is configured to withstand even when heated at high temperatures. A heat-retaining tableware for school lunches according to claim 1 or 2 of the utility model registration claim, characterized by: (4) Utility model registration claims 1 to 3, characterized in that the thread bottom of the main body of the heat-retaining tableware for school lunches is formed into a cylindrical shape with a plurality of notches cut out to the bottom. Thermal tableware for school lunches listed in any of the above. (5) The heat insulation lid includes a lower lid, an upper lid fixed to the lower lid so that a decompression chamber is created between the lower lid, heated air in the decompression chamber, and a heated insulation material in the shape of the decompression chamber. Utility model registration claim 1, which is characterized in that it is composed of a decompression body formed by filling a certain open-cell foam, closed-cell foam, etc.
Thermal tableware for school lunches according to any one of Items 1 to 4. (6) The heat-retaining tableware for school lunch according to any one of claims 1 to 5 of the claims registered as a utility model, characterized in that the engaging piece formed on the upper surface of the heat-insulating lid at the approximate center is formed in a cylindrical shape. .

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a school lunch insulating tableware consisting of a school lunch insulating tableware body and a heat insulating lid that covers an opening of the school lunch insulating tableware body, the school lunch insulating tableware is provided on an upper surface approximately in the center of the school lunch insulating lid. A heat-retaining tableware for school lunches characterized by forming an engaging piece that can be stacked by engaging with the thread bottom of the main body of the tableware. (2) The insulating tableware for school lunches according to claim 1, wherein the main body of the insulating tableware for school lunches is formed in the shape of a bowl, a pillow, a cooking plate, etc. (3) The main body of the school lunch thermos includes an outer shell member, an inner shell member fixed to the outer shell member so as to form a vacuum chamber between the outer shell member, and heated air inside the vacuum chamber. It is characterized by being composed of a decompression body formed by filling an open-cell foam, a closed-cell foam, etc., which is a heat insulating material in the shape of a decompression chamber, and is constructed to withstand even when pressure is applied at high temperatures. A heat-retaining tableware for school lunches according to claim 1 or 2 of the utility model registration claim. (4) Utility model registration claims 1 to 3, characterized in that the thread bottom of the main body of the heat-retaining tableware for school lunches is formed into a cylindrical shape with a plurality of notches cut out to the bottom. Thermal tableware for school lunches listed in any of the above. (5) The heat insulation lid includes a lower lid, an upper lid fixed to the lower lid so that a decompression chamber is created between the lower lid, heated air in the decompression chamber, and a heated insulation material in the shape of the decompression chamber. Utility model registration claim 1, which is characterized in that it is composed of a decompression body formed by filling a certain open-cell foam, closed-cell foam, etc.
Thermal tableware for school lunches according to any one of Items 1 to 4. (6) The heat-retaining tableware for school lunch according to any one of claims 1 to 5 of the claims registered as a utility model, characterized in that the engaging piece formed on the upper surface of the heat-insulating lid at the approximate center is formed in a cylindrical shape. .