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KR20060071602A - Lid of container for storing food - Google Patents

Lid of container for storing food Download PDF

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Publication number
KR20060071602A
KR20060071602A KR1020040110238A KR20040110238A KR20060071602A KR 20060071602 A KR20060071602 A KR 20060071602A KR 1020040110238 A KR1020040110238 A KR 1020040110238A KR 20040110238 A KR20040110238 A KR 20040110238A KR 20060071602 A KR20060071602 A KR 20060071602A
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KR
South Korea
Prior art keywords
lid
packing
container
container body
present
Prior art date
Application number
KR1020040110238A
Other languages
Korean (ko)
Other versions
KR100599579B1 (en
Inventor
김창호
Original Assignee
하나코비 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 하나코비 주식회사 filed Critical 하나코비 주식회사
Priority to KR1020040110238A priority Critical patent/KR100599579B1/en
Priority to CNB2005100531891A priority patent/CN100453418C/en
Publication of KR20060071602A publication Critical patent/KR20060071602A/en
Application granted granted Critical
Publication of KR100599579B1 publication Critical patent/KR100599579B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00564—Contact between the container and the lid indirect by means of a gasket or similar intermediate ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

본 발명의 목적은 밀봉패킹에 의해 밀폐된 용기본체로부터 용기뚜껑을 탈거할 때 부드럽게 벗겨지고 파열음이 발생치 아니하며, 밀봉패킹이 견고하게 장착되어 이탈되지 않는 구조의 밀봉용기 뚜껑을 제공하는데 있다. It is an object of the present invention to provide a sealing container lid of a structure in which the container lid is peeled off smoothly and there is no rupture sound when the container lid is removed from the container body sealed by the sealing seal, and the sealing packing is firmly mounted.

이를 위해 본 발명은 원형의 용기본체의 내측면 상단에 밀착하여 밀봉하도록 뚜껑의 저면에 장착되는 패킹과, 뚜껑을 닫을시에는 용기 내외부의 연통을 차단하고, 뚜껑의 개방시에는 용기본체 내부에 진공이 형성되는 것을 방지하도록 작동시키는 공기연통밸브를 구비하고 있는 밀폐용기뚜껑에 있어서,To this end, the present invention is a packing mounted on the bottom of the lid to seal in close contact with the inner top of the circular container body, and when the lid is closed to block the communication between the inside and outside of the container, the vacuum inside the container body when the lid is opened In a sealed container lid having an air communication valve to operate to prevent the formation of

상기 패킹의 밀착면부는 골프공의 표면과 같이 함몰된 작은 요홈들을 형성한 것을 특징으로 한다. The contact surface portion of the packing is characterized in that it forms a small groove recessed like the surface of the golf ball.

밀폐용기뚜껑, 패킹, 요홈, 부식처리Airtight container lid, packing, groove, corrosion treatment

Description

밀폐 용기 뚜껑{Lid of container for storing food}Lid of container for storing food

도 1은 본 발명에 의한 밀폐 용기 뚜껑을 나타낸 정단면도1 is a front sectional view showing a closed container lid according to the present invention

도 2는 본 발명에 의한 패킹의 저면도2 is a bottom view of the packing according to the present invention;

도 3은 본 발명에 의한 패킹의 요부 단면도3 is a cross-sectional view of main parts of the packing according to the present invention

도 4는 본 발명의 패킹을 고정시키는 패킹 고정 부재를 나타낸 평면도Figure 4 is a plan view showing a packing fixing member for fixing the packing of the present invention

도 5는 본 발명의 패킹 고정 부재의 정단면도5 is a front sectional view of the packing fixing member of the present invention.

도 6은 종래기술6 is a prior art

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

1 : 밀폐 용기 뚜껑 2 : 저면1: closed container lid 2: bottom

3,4 : 수직벽 5 : 장착요홈3,4 vertical wall 5: mounting groove

6 : 패킹 7 : 고정면부6: packing 7: fixed surface part

8 : 용기본체 9 : 내벽면8: container body 9: inner wall surface

10 : 밀착면부 11 : 요홈들10: close contact portion 11: grooves

12 : 호형슬릿구멍 13 : 패킹고정부재12: arc slit hole 13: packing fixing member

14 : 고정돌기 15 : 공기연통 밸브14: fixing protrusion 15: air communication valve

본 발명은 패킹을 통해 용기 내부를 밀봉하는 밀폐 용기 뚜껑에 관한 것이다.The present invention relates to a closed container lid for sealing the inside of the container through packing.

종래 도 6에 도시하는 것과 같이 음식물등을 담을 때 많이 사용하는 용기(21)에 있어, 용기본체(22)와 뚜껑(23)이 원형으로 형성되는 경우, 뚜껑(23)에 장착된 환상의 패킹(24)이 용기본체(22) 내벽면(25)에 밀착하여 용기내부를 밀폐 시키도록 하는 용기가 많이 사용되고 있다.In the conventional container 21 used to contain food and the like, as shown in FIG. 6, when the container body 22 and the lid 23 are formed in a circular shape, an annular packing attached to the lid 23 is provided. A container in which 24 is in close contact with the inner wall surface 25 of the container body 22 to seal the inside of the container is frequently used.

그런데 상기한 패킹(24)은 통상 그의 고정단자(26)를 뚜껑(23)에 형성된 환상고정홈(26)에 끼워 장착하게 되며, 패킹(24)의 밀착면(28)은 매끈하게 가공하여 밀착력을 높이므로써 밀봉이 완벽하게 유지되도록 구성하고 있다.By the way, the packing 24 is usually fitted to the fixed terminal 26 in the annular fixing groove 26 formed in the lid 23, the contact surface 28 of the packing 24 is smoothly processed to adhere It is configured to keep the seal perfectly by raising the.

그러나 상기한 종래 구조의 패킹(24)을 사용하는 경우 용기뚜껑(23)을 닫을 때 패킹(24)이 압착력을 받아 변형되면서 용기본체(22) 내벽면(25)에 강하게 밀착하여 밀봉하고 있기 때문에, 뚜껑(23)에 형성된 공기연통밸브(29)를 열어 용기본체(22) 내외부가 연통되도록 한 후 뚜껑(23)을 용기본체(22)로부터 벗겨낼 때 상당히 빡빡함을 느끼게 되고, 또 개봉되는 과정에서 귀에 거슬리는 마찰 파열음이 발생하여 사용자의 기분을 상하게 하는 문제점이 있었다.However, when the packing 24 of the conventional structure is used, the packing 24 is deformed under the compressive force when the container lid 23 is closed, so that the container 24 is tightly sealed to the inner wall 25 of the container body 22. After opening the air communication valve 29 formed in the lid 23 to allow the inside and the outside of the container body 22 to communicate with each other, when the lid 23 is peeled off from the container body 22, it feels quite tight and is opened. There was a problem that offend the user by the occurrence of annoying friction rupture.

또 패킹(24)의 장착 구조상, 뚜껑을 닫거나 열때 패킹(24)이 뚜껑으로 부터 쉽게 탈거되는 문제점도 지적되고 있다.In addition, due to the mounting structure of the packing 24, the problem that the packing 24 is easily removed from the lid when closing or opening the lid is pointed out.

이에 본 발명은 상기한 점을 감안하여 제안한 것으로서 그의 목적으로 하는 것은 밀봉패킹에 의해 밀폐된 용기본체로부터 용기뚜껑을 탈거할 때 부드럽게 벗겨지고 파열음이 발생치 아니하며, 밀봉패킹이 견고하게 장착되어 이탈되지 않는 구조의 밀봉용기 뚜껑을 제공하는데 있다.Accordingly, the present invention has been proposed in view of the above point, and its object is to peel off gently when removing the lid of the container from the sealed container body by the sealing packing, no cracking noise occurs, and the sealing packing is firmly mounted and is not detached. To provide a sealed container lid of the structure.

상기한 목적을 달성하기 위하여 본 발명은 원형의 용기본체의 내측면 상단에 밀착하여 밀봉하도록 뚜껑의 저면에 장착되는 패킹과, 뚜껑을 닫을시에는 용기 내외부의 연통을 차단하고, 뚜껑의 개방시에는 용기본체 내부에 진공이 형성되는 것을 방지하도록 작동시키는 공기연통밸브를 구비하고 있는 밀폐용기뚜껑에 있어서,In order to achieve the above object, the present invention provides a packing mounted to the bottom of the lid so as to seal in close contact with the upper end of the inner side of the circular container body, and shuts off the communication between the inside and outside of the container when closing the lid, In the closed container lid having an air communication valve for operating to prevent the formation of a vacuum inside the container body,

상기 패킹의 밀착면부는 골프공의 표면과 같이 함몰된 작은 요홈들을 형성한 것을 특징으로 한다. The contact surface portion of the packing is characterized in that it forms a small groove recessed like the surface of the golf ball.

그리고 상기 패킹을 뚜껑 저면에 장착하기 위하여 패킹 내측의 고정면부에 일정 간격으로 호형상의 구멍이 형성되며, 상기 각각의 호형상의 구멍을 통과하여 뚜껑 저면에 형성되는 링형의 장착요홈에 끼워져 계합되는 고정돌기들이 돌출되어 있어 패킹이 빠지지 않도록 잡아주는 패킹 고정부재를 구비하고 있다.And in order to mount the packing on the bottom of the lid arc-shaped holes are formed at fixed intervals in the inner surface of the packing at regular intervals, through each of the arc-shaped holes are formed in the ring-shaped mounting groove formed on the bottom of the lid is engaged Fixing protrusions are provided with a packing fixing member for holding the packing so as not to fall out.

그리고 상기 요홈들은 부식에 의해 형성되는 것을 특징으로 한다.And the grooves are characterized in that formed by corrosion.

이하에 본 발명의 구성을 첨부한 도면을 참조하여 설명한다.The configuration of the present invention will be described below with reference to the accompanying drawings.

도 1은 본 발명에 의한 밀폐 용기 뚜껑을 나타낸 정단면도이며, 도 2는 본 발명에 의한 패킹의 저면도이고, 도 3은 본 발명에 의한 패킹의 요부 단면 확대도도이다.1 is a front sectional view showing a closed container lid according to the present invention, Figure 2 is a bottom view of the packing according to the present invention, Figure 3 is an enlarged cross-sectional view of the main portion of the packing according to the present invention.

그리고 도 4는 본 발명의 패킹 고정부재를 나타낸 평면도이며, 도 5는 본 발명의 패킹 고정부재의 정단면도이다.4 is a plan view showing the packing fixing member of the present invention, Figure 5 is a front sectional view of the packing fixing member of the present invention.

도면에 있어 부호 1로 나타낸 밀폐 용기 뚜껑(1)의 저면(2)에는 일정 간격을 두고 동심을 이루는 2개의 수직벽(3)(4)이 돌출되어 있으며, 2개의 수직벽(3)(3) 사이에 링형의 장착요홈(5)이 형성되어 있다.On the bottom face 2 of the airtight container lid 1 indicated by reference numeral 1 in the drawing, two vertical walls 3 and 4 concentric are projected at regular intervals, and the two vertical walls 3 and 3 The ring-shaped mounting groove 5 is formed between the two poles.

상기 2개의 수직벽(3)(4)의 하단에는 패킹(6)이 위치하게 되는데, 이 패킹(6)은 거의 수평을 이루는 고정면부(7)와, 고정면부(7)로부터 경사지게 상승하여 용기본체(8)의 내벽면(9) 상측에 밀착하여 틈새를 밀봉하는 밀착면부(10)로 구성되고, 상기 밀착면부(10)에는 마치 골프공의 표면과 같이 곰보 형상을 가지도록 작은 요홈들(11)이 형성되어 있으며, 이 작은 요홈(11)들은 부식에 의해 형성되거나 또는 금형에 의해 사출 성형시 형성되도록 할 수 있다.At the lower end of the two vertical walls (3) (4), a packing (6) is located, which is raised inclined from the fixed surface portion (7) and the fixed surface portion (7) which are almost horizontal. It is composed of a close surface portion 10 for sealing the gap in close contact with the upper side of the inner wall surface (9) of the main body (8), the contact surface portion 10 has a small groove (like a surface of a golf ball) 11) are formed, and these small grooves 11 can be formed by corrosion or during injection molding by a mold.

그리고 상기 수평면으로 형성되는 고정면부(7)에는 상기 장착 요홈(5)의 폭에 상당하는 폭을 가진 호형상의 슬릿 구멍(12)이 전체 원호를 따라 일정간격으로 복수개가 형성되어 있다.In addition, a plurality of arc-shaped slit holes 12 having a width corresponding to the width of the mounting recess 5 are formed in the fixed surface portion 7 formed in the horizontal plane at regular intervals along the entire arc.

상기한 패킹(6)은 패킹고정부재(13)에 의해 고정되어지게 되는데, 패킹고정부재(13)에는 상기 호형상의 구멍(12)에 대응하여 그 구멍(12) 크기의 단면 형상을 가지는 복수개의 고정돌기(14)들이 수직으로 돌출 형성되어 있어, 상기 고정돌기(14)들이 패킹(6)의 호형슬릿구멍(12)을 통과하여 양측 수직벽(3)(4) 사이에 형성되는 링형 장착요홈(5)에 기밀하게 끼워져 장착되므로 패킹(6)의 외곽 부위인 고정면부(10)를 잡아 당기더라도 패킹(6)이 패킹고정부재(13)의 고정돌기(14)에 걸려 지지되므로 뚜껑(1)으로부터 이탈되는 일이 없게 된다.The packing 6 is fixed by the packing fixing member 13, and the packing fixing member 13 has a plurality of cross-sectional shapes having the size of the hole 12 corresponding to the arc-shaped hole 12. Two fixing protrusions 14 are formed to protrude vertically, so that the fixing protrusions 14 pass through the arc-shaped slit holes 12 of the packing 6 and are formed between the two vertical walls 3 and 4. Since the airtightly fits in the recess 5 and is pulled out, the packing 6 is supported by the fixing protrusions 14 of the packing fixing member 13 even when the fixing surface portion 10, which is an outer portion of the packing 6, is pulled out. It is not separated from 1).

이와같은 구성의 본 발명은 밀폐용기뚜껑(1)을 용기본체(8)에 닫고, 공기 연통 밸브(15)를 눌러 닫아 공기의 유통을 차단하게 되면, 패킹(6)의 밀착면부(10)가 용기본체(8) 내벽면(9)에 눌려지면서 밀착하여 틈새를 완전히 밀봉하게 되므로, 뚜껑(1)을 열려고 시도하더라도 용기본체(8)내부에 진공이 형성되기 때문에 열려지지 않게 된다.According to the present invention having the above configuration, when the airtight valve 15 is closed on the container body 8 and the air communication valve 15 is closed by closing the air flow, the contact surface 10 of the packing 6 is closed. Since the container body 8 is pressed against the inner wall surface 9 so as to close the gap completely, even if an attempt is made to open the lid 1, a vacuum is formed inside the container body 8 so that it cannot be opened.

따라서 만일 뚜껑(1)을 열고자 하면 공기 연통 밸브(15)을 들어 올려 개방하게 되며, 이로써 외부로부터 개방된 공기연통 밸브(15)를 거쳐 외부 공기가 용기본체(8)내로 유입되기 때문에 용기 내부에 진공이 형성되지 않아서 뚜껑(1)이 쉽게 탈거되는 것이다.Therefore, if the lid 1 is to be opened, the air communication valve 15 is lifted up and opened, thereby allowing the outside air to flow into the container body 8 through the air communication valve 15 opened from the outside. The vacuum is not formed in the lid 1 is easily removed.

그런데 여기서 본 발명의 중요한 특징은 패킹(6)의 밀착면부(10)가 부식처리에 의해 작은요홈(11)들이 형성되어 있어 그만큼 내벽면(9)과의 접촉면적이 작아지기 때문에 뚜껑(1)이 손쉽게 열려지게 되며, 내벽면(9)과의 밀착상태의 해제시 수많은 요홈(11)들이 충진된 공기로 인하여 쉽게 밀착 상태가 해제되면서 파열음의 발생도 방지하게 되는 것이다.By the way, the important feature of the present invention is that the contact surface portion 10 of the packing (6) is formed by the small grooves 11 are formed by the corrosion treatment, so that the contact area with the inner wall surface 9, the lid (1) This is easy to open, and when the release state of the close contact with the inner wall surface (9) is to be easily released due to the air filled with the numerous grooves 11 is to prevent the occurrence of the rupture sound.

이상과 같은 본 발명에 의하면 용기본체 내벽면에 밀착하여 틈새를 밀봉하는 패킹의 밀착면부가 작은 요홈들이 형성되도록 부식처리되어 마치 골프공의 표면처럼 곰보 형상을 가지게 되므로써 뚜껑을 용기본체로부터 탈거시 패킹이 쉽게 분리되기 때문에 뚜껑의 개방 작업이 손쉽고, 또 내벽면에 밀착하였다가 떨어지면서 발 생되는 파열음도 거의 발생하지 않게 되어 제품의 호감도를 높이게 되는 효과가 있다.According to the present invention as described above, the close contact portion of the packing to seal the gap close to the inner wall of the container body is corroded to form small grooves, so that it has the shape of a bear like the surface of a golf ball, so when the lid is removed from the container body Since this is easily separated, the opening operation of the lid is easy, and close to the inner wall surface is hardly generated the rupture sound generated by falling off, there is an effect that increases the likelihood of the product.

Claims (2)

원형의 용기본체의 내측면 상단에 밀착하여 밀봉하도록 뚜껑의 저면에 장착되는 패킹과, 뚜껑을 닫을시에는 용기 내외부의 연통을 차단하고, 뚜껑의 개방시에는 용기본체 내부에 진공이 형성되는 것을 방지하도록 작동시키는 공기연통밸브를 구비하고 있는 밀폐용기뚜껑에 있어서,Packing attached to the bottom of the lid to seal against the inner top of the circular container body, and close the communication between the inside and outside of the container when the lid is closed, and prevents the formation of vacuum inside the container body when opening the lid In the airtight container lid having an air communication valve operated to 상기 패킹의 밀착면부는 골프공의 표면과 같이 함몰된 작은 요홈들을 형성한 것을 특징으로 하는 밀폐 용기 뚜껑.Closed container lid of the packing characterized in that the small grooves formed in the recessed like the surface of the golf ball. 제 1 항에 있어서,The method of claim 1, 상기 패킹을 뚜껑 저면에 장착하기 위하여 패킹 내측의 고정면부에 일정 간격으로 호형상의 구멍이 형성되며, 상기 각각의 호형상의 구멍을 통과하여 뚜껑 저면에 형성되는 링형의 장착요홈에 끼워져 계합되는 고정돌기들이 돌출되어 있어 패킹이 빠지지 않도록 잡아주는 패킹 고정부재를 구비하고 있는 것을 특징으로 하는 밀폐 용기 뚜껑.In order to mount the packing on the bottom of the lid, an arc-shaped hole is formed at fixed intervals in a fixed surface inside the packing, and is fixed to be fitted into a ring-shaped mounting recess formed in the bottom of the lid through each arc-shaped hole. Sealing container lid, characterized in that the protrusions are provided with a packing fixing member for holding the packing so as not to fall out.
KR1020040110238A 2004-12-22 2004-12-22 Lid of container for storing food KR100599579B1 (en)

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KR100759487B1 (en) * 2006-10-02 2007-09-20 리엔리하이테크(주) Cover for airtight container

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KR100814707B1 (en) * 2007-07-26 2008-03-18 (주)명문엘씨 The receptacle with a lid in form packing having wings
CN103072747B (en) * 2013-01-24 2014-12-17 蔡世桐 Negative pressure type automatic seal container
USD869241S1 (en) 2018-08-01 2019-12-10 Yeti Coolers, Llc Bowl
USD871159S1 (en) 2018-08-01 2019-12-31 Yeti Coolers, Llc Bowl
US10729261B2 (en) 2018-09-28 2020-08-04 Yeti Coolers, Llc Bowl and method of forming a bowl

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DE19726277A1 (en) * 1997-06-20 1999-01-07 Dieter Sieger Plastic lid for airtight sealing of porcelain or glass bowl
US20030116572A1 (en) * 2001-12-20 2003-06-26 World Kitchen, Inc. Sealing cover for a container

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Publication number Priority date Publication date Assignee Title
KR100759487B1 (en) * 2006-10-02 2007-09-20 리엔리하이테크(주) Cover for airtight container

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