# US 2021/0276766 A1 · Seal box with good sealing effect and easy to open

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- Number: US 2021/0276766 A1
- Document ID: US20210276766A1
- Status: Published application
- Kind: A1
- Application number: 17/329,203
- Filed: 2021-05-25
- Published: 2021-09-09
- Earliest claimed: 2021-05-07
- Inventors: Qinghe YU
- Web page: https://patentgrep.com/patent/US20210276766A1

## CPC

- B65D 43/0208: {on both the inside and the outside of the mouth of the container (B65D43/0206 takes precedence)}
- B65D 43/065: {the peripheral channel having an inverted U-shape}
- B65D 2543/00194: square or rectangular
- B65D 2543/00296: Plastic
- B65D 2543/00518: Skirt
- B65D 2543/00537: on the outside, or a part turned to the outside of the mouth of the container
- B65D 2543/00555: on both the inside and the outside
- B65D 2543/00629: Massive bead
- B65D 2543/00685: Totality
- B65D 2543/0074: Massive bead
- B65D 2543/00796: Totality
- B65D 2543/00888: by applying lever forces
- B65D 2543/00907: directly on two elements of container and lid respectively, i.e. using the fingers
- B65D 2543/00962: inserted
- B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES

## Abstract

A seal box with a good sealing effect and easy to open comprises a box body and a sealing cover, wherein the box body is formed with an opening, a sealing mechanism is disposed between the opening of the box body and the sealing cover, the sealing cover is detachably mounted at the opening of the box body, and the sealing mechanism is in a locked and sealed state; and a quick opening mechanism is further disposed between the box body and the sealing cover. By means of the quick opening mechanism, users can easily and quickly operate the operating end of an opening element to force the parts, between the area where the opening end is located of the sealing cover and the opening of the box body, of the sealing mechanism to be separated.

## Claims

### Claim 1

A seal box with a good sealing effect and easy to open, comprising a box body and a sealing cover, the box body being formed with an opening, a sealing mechanism being disposed between the opening of the box body and the sealing cover, the sealing cover being detachably mounted at the opening of the box body, the sealing mechanism being in a locked and sealed state, wherein a quick opening mechanism is further disposed between the box body and the sealing cover and comprises an opening base and an opening element, the opening base is disposed at a top of an outer wall of the box body, a middle of the opening element is rotatably mounted on an edge of the sealing cover, two ends of the opening element are an opening end and an operating end respectively, the opening end is located on a top surface of the opening base, and the operating end is away from the top surface of the opening base; when the sealing cover is to be opened, a user pulls the operating end to enable it to rotate, and then the opening end presses against the top surface of the opening base to force parts, between an area where the opening end is located of the sealing cover and the opening of the box body to be separated to allow the user to perform further operations to open the sealing cover

### Claim 2 (depends on 1)

The seal box with a good sealing effect and easy to open according to claim 1, wherein the opening element is shaped like a straight plate, the opening end of the opening element protrudes downwards, and a bottom surface of the operating end of the opening element is close to a top surface of the sealing cover.

### Claim 3 (depends on 2)

The seal box with a good sealing effect and easy to open according to claim 2, wherein a curved surface in smooth transition is disposed an outer side of the opening end of the opening element.

### Claim 4 (depends on 2)

The seal box with a good sealing effect and easy to open according to claim 2, wherein an oblique surface inclining upwards is disposed at a bottom of the operating end of the opening element.

### Claim 5 (depends on 1)

The seal box with a good sealing effect and easy to open according to claim 1, wherein the opening element is shaped like 7, the opening element comprises an operating section extending vertically and an opening section extending horizontally, a corner of the opening element is rotataby mounted on the edge of the sealing cover, the operating end of the opening element is located at a bottom end of the operating section, and the opening end of the opening element is located at a tail end of the opening section.

### Claim 6 (depends on 5)

The seal box with a good sealing effect and easy to open according to claim 5, wherein the opening end of the opening element is semi-cylindrical

### Claim 7 (depends on 5)

The seal box with a good sealing effect and easy to open according to claim 5, wherein a locking piece for locking a bottom surface of the opening base is dispose on an inner wall of the operating section.

### Claim 8 (depends on 1)

The seal box with a good sealing effect and easy to open according to claim 1, wherein the sealing mechanism comprises a female sealing unit and a male sealing unit, the male sealing unit is disposed at the opening of the box body, and the female sealing unit is disposed on a bottom surface of the sealing cover.

### Claim 9 (depends on 8)

The seal box with a good sealing effect and easy to open according to claim 8, wherein the male sealing unit comprises a circular sealing edge and a buckle, the circular sealing edge is fixed to the opening of the box body, and the buckle is disposed on an outer wall of the circular sealing edge; and the female sealing unit comprises a circular sealing slot and a clamping groove allowing the buckle to be clamped therein, the circular sealing slot is fixed to the bottom surface of the sealing cover, and the clamping groove is formed in an inner wall of the circular sealing slot.

### Claim 10 (depends on 9)

The seal box with a good sealing effect and easy to open according to claim 9, wherein the circular sealing slot of the female sealing unit comprises an outer slot plate and an inner slot plate, the clamping groove is formed in an inner wall of the outer slot plate, and a curved sealing surface capable of abutting and pressing against an inner wall of the buckle is disposed on an inner wall of the inner slot plate.