A sealed food box includes a cover and a body. On the lower end face of the cover, there are grooves, which envelope the edges of the mouth. The inner walls of the grooves are fastened together with the inner side of the mouth by locking fasteners. A convex block on its outer wall inwardly presses t
A sealed food box includes a cover and a body. On the lower end face of the cover, there are grooves, which envelope the edges of the mouth. The inner walls of the grooves are fastened together with the inner side of the mouth by locking fasteners. A convex block on its outer wall inwardly presses the outer side of the mouth, firmly holding the cover and the body together. The inside of the body is divided into several partitions. The outside of the edges of the cover are provided with an opening lug and “Unused” mark. This product provides enhanced compression strength and sealing performance, prevents the outflow of food liquid and the influences of food with each other, and also avoids repeated use.
대표청구항▼
The invention claimed is: 1. A sealed food box having a cover and an open body made up of a bottom wall and a side wall comprising: a lower end face of the cover defining a groove and including an elongated, substantially horizontal inner edge extending between and separating an inner wall and an o
The invention claimed is: 1. A sealed food box having a cover and an open body made up of a bottom wall and a side wall comprising: a lower end face of the cover defining a groove and including an elongated, substantially horizontal inner edge extending between and separating an inner wall and an outer wall of said groove; a mouth of the body including an elongated, substantially horizontal outer edge extending between an inner side and an outer side of said mouth, said elongated outer edge of said mouth being in contact with said elongated inner edge of the cover to form a seal between the cover and the body, said groove constructed to envelop said elongated outer edge of said mouth of the body, wherein said inner wall of said groove is firmly placed against an inner side of said mouth through a locking fastener engaging said inner side of said mouth for inhibiting movement of said inner wall of said groove relative to said inner side of said mouth, and a convex block attached to an inner surface of said outer wall of said groove that engages and inwardly presses against a substantial portion of said outer side of said mouth without engaging any portion of a bottom edge of said outer side of said mouth to allow movement of the cover with respect to the body. 2. The sealed food box of claim 1, wherein the body is divided into several partitions and an isolation groove that is set on a corresponding position on the cover, said isolation groove being constructed to envelop an edge of an inner wall of said body, wherein enclosed spaces are formed by said partitions and the cover. 3. The sealed food box of claim 1, wherein the body has a bigger upper part and a smaller lower part representing a benched transition. 4. The sealed food box of claim 1, wherein said locking fastener includes a concave clamp on said inner wall of said groove that forms a releasable, locking connection with a convex clamp on said inner side of said mouth. 5. The sealed food box of claim 4, further including several locking fasteners including both concave and convex clamps. 6. The sealed food box of claim 1, wherein the cover includes an upper end face configured to matingly engage the bottom wall of another container. 7. A sealed food box having a cover and an open body made up of a bottom wall and a side wall comprising: a lower end face of the cover defining a groove and including an elongated, substantially horizontal inner edge extending between and separating an inner wall and an outer wall of said groove, a mouth of the body including an elongated, substantially horizontal outer edge extending between an inner side of said mouth and an outer side of said mouth, said elongated outer edge of said mouth being in contact with said elongated inner edge of the cover to form a seal between the cover and the body, said groove constructed to envelop said elongated edge of said mouth of the body, wherein an inner wall of said groove is firmly placed against an inner side of said mouth through a locking fastener engaging said inner side of said mouth for inhibiting movement of said inner wall of said groove relative to said inner side of said mouth, and a convex block attached to an inner surface Of an outer wall of said groove that engages and inwardly presses against a substantial portion of an outer side of said mouth without engaging any portion of a bottom edge of said outer side of said mouth; and an opening lug on the cover having an “Unused” mark on its outer side, said lug and said mark being connected through an easily-breakable dot-mode contact. 8. The sealed food box of claim 7, wherein the body is divided into several partitions and an isolation groove that is on the corresponding positions on the cover, said isolation groove being constructed to envelop an edge of an inner wall of said body, wherein enclosed spaces are formed by said partitions and the cover. 9. The sealed food box of claim 7, wherein said locking fastener includes a concave clamp on an inner wall of said groove that forms a releasable, locking connection with a convex clamp on an inner side of said mouth. 10. The sealed food box of claim 9, further including several locking fasteners including both concave and convex clamps. 11. The sealed food box of claim 7, wherein the cover includes an upper end face configured to matingly engage the bottom wall of another container. 12. A sealed food box having a cover and an open body made up of a bottom wall and a side wall comprising: a lower end face of the cover defining a groove, said groove constructed to envelop edges of a mouth of the body, wherein an inner wall of said groove is firmly placed against an inner side of said mouth using a locking fastener engaging said inner said of said mouth for inhibiting movement of said inner wall of said groove relative to said inner side of said mouth, and a convex block attached to an inner surface of the outer wall of said groove that engages and inwardly presses against an entire length of an outer side of said mouth without engaging any portion of a bottom edge of said outer side of said mouth, said locking fastener including a concave clamp on an inner wall of said groove that forms a releasable, locking connection with a convex clamp on an inner side of said mouth.
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