[특허]Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture

Whirlpool Corporation

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Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-065/72 F25D-023/02 B32B-003/04 B32B-003/06 B29L-009/00
출원번호	US-0187640 (2014-02-24)
등록번호	US-10052819 (2018-08-21)
발명자 / 주소	Wu, Guolian
출원인 / 주소	Whirlpool Corporation
대리인 / 주소	Price Heneved LLP
인용정보	피인용 횟수 : 1 인용 특허 : 208

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A method for creating a vacuum insulated panel including preforming a continuous insulation member having male and female engaging surfaces and providing a barrier film envelope having an opening. The insulation member is disposed within the barrier film envelope and a tooling fixture is pressed against the barrier film envelope to press the barrier film envelope against the male and female engaging surfaces to remove gas from between the barrier film envelope and the male and female engaging surfaces. Substantially all gas is removed from within the barrier film envelope so that the barrier film envelope substantially conforms to an exterior surface of the insulation member. The opening of the barrier film envelope is then hermetically sealed, wherein the barrier film envelope forms a continuous layer over the core insulation member to form a vacuum insulated panel.

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1. A method of creating a vacuum insulated panel for an appliance comprising steps of: preforming a shaped core insulation member having a length, a width and an exterior surface defining at least one male engaging surface and at least one female engaging surface, and wherein the core insulation member has a thickness of between about 8mm and about 20 mm throughout its length and width, wherein the core insulation member is a single integral piece;disposing the core insulation member proximate a barrier film envelope having at least one opening, wherein one opening of the at least one opening is disposed proximate a distal end of the barrier film envelope;pressing a tooling fixture into abutting contact with and against the barrier film envelope, wherein the tooling fixture includes a profile that matingly engages at least the at least one female engaging surface and at least a portion of the at least one male engaging surface, and wherein pressing the tooling fixture against the at least one female engaging surface and at least the portion of the at least one male engaging surface removes at least substantially all gas from between the barrier film envelope and the at least one female engaging surface and at least the portion of the at least one male engaging surface, and wherein the core insulation member includes at least one aperture through the core insulation member, and wherein the tooling fixture presses the barrier film envelope against the exterior surface of the core insulation member at the at least one aperture, and wherein the core insulation member is a solid and friable member configured to retain its shape within a vacuum;removing gas from between the barrier film envelope and the core insulation member, wherein the barrier film envelope substantially conforms to the exterior surface of the core insulation member;hermetically sealing the barrier film envelope, wherein the barrier film envelope forms a continuous barrier film layer over the core insulation member to form the vacuum insulated panel, wherein the step of hermetically sealing the barrier film envelope includes hermetically sealing the barrier film envelope proximate the at least one aperture, and wherein the vacuum insulated panel includes an outer surface at least partially defining a plurality of appliance module recesses positioned proximate the at least one female engaging surface and the at least one male engaging surface;providing a preformed liner having an inner liner surface;providing a preformed wrapper having an inner wrapper surface and an outer wrapper surface that defines a dispensing zone;providing a tubular member having an outer tubular surface; anddisposing the vacuum insulated panel having a first side and a second side between the liner and the wrapper and disposing the tubular member within the at least one aperture, wherein at least a portion of the first side of the vacuum insulated panel engages the inner liner surface, and wherein at least a portion of the second side engages the inner wrapper surface, and wherein the vacuum insulated panel is formed independently from the wrapper and the liner. 2. The method of claim 1, wherein the tooling fixture includes a plurality of tooling members. 3. The method of claim 1, wherein the plurality of appliance module recesses are configured to receive at least one of an ice dispensing module, a water dispensing module, and the dispensing zone, and wherein the vacuum insulated panel engages at least approximately 80 percent of the inner wrapper surface. 4. A method of creating a vacuum insulated panel for an appliance comprising steps of: preforming a shaped core insulation member having a length, a width and an exterior surface defining at least one male engaging surface and at least one female engaging surface, and wherein the core insulation member has a thickness of between about 8 mm and about 20 mm throughout its length and width;disposing the core insulation member proximate at least one barrier film member; pressing a tooling fixture into abutting contact with and against the at least one barrier film member, wherein the tooling fixture includes a profile that matingly engages at least the at least one female engaging surface and at least a portion of the at least one male engaging surface, and wherein pressing the tooling fixture against the at least one female engaging surface and at least the portion of the at least one male engaging surface removes at least substantially all gas from between the at least one barrier film member and the at least one female engaging surface and at least the portion of the at least one male engaging surface, wherein the core insulation member includes at least one aperture through the core insulation member, and wherein the tooling fixture presses the at least one barrier film member against the exterior surface of the core insulation member at the at least one aperture, and wherein the core insulation member is a solid and friable member configured to retain its shape within a vacuum;removing gas from between the at least one barrier film member and the core insulation member, wherein the at least one barrier film member substantially conforms to the exterior surface of the core insulation member;sealing the at least one barrier film member, wherein the at least one barrier film member forms a continuous barrier film layer over the core insulation member to form the vacuum insulated panel having an at least partial vacuum defined therein;providing a preformed liner having an inner liner surface;providing a preformed wrapper having an inner wrapper surface and an outer wrapper surface that defines a dispensing zone;providing a tubular member having an outer tubular surface; anddisposing the vacuum insulated panel having a first side and a second side between the liner and the wrapper and disposing the tubular member within the at least one aperture, wherein at least a portion of the first side of the vacuum insulated panel engages the inner liner surface, and wherein at least a portion of the second side engages the inner wrapper surface, and wherein the vacuum insulated panel is formed independently from the wrapper and the liner. 5. The method of claim 4, wherein the core insulation member is a single integral piece, and wherein the at least one barrier film member is a barrier film envelope having at least one opening, wherein one of the at least one opening is disposed proximate a distal end of the barrier film envelope. 6. The method of claim 5, wherein the vacuum insulated panel includes an outer surface at least partially defining a plurality of appliance module recesses positioned proximate the at least one female engaging surface and the at least one male engaging surface. 7. The method of claim 5, wherein the tooling fixture includes a plurality of tooling members. 8. The method of claim 5, wherein the step of sealing the barrier film envelope includes sealing the barrier film envelope proximate the at least one aperture to define the air-tight seal. 9. The method of claim 6, wherein the plurality of appliance module recesses are configured to receive at least one of an ice dispensing module, a water dispensing module, and the dispensing zone, and wherein the vacuum insulated panel engages at least approximately 80 percent of the inner wrapper surface.

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O'Connor, Alexander; Timmers, Richard. Four-dimensional analysis system, apparatus, and method. USP20190210201463.

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Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture

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Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture

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이 특허에 인용된 특허 (208)

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IPC 상세정보(version : 201201)

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