Bulk material container with a rigid follower
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-088/42
G01F-023/74
출원번호
US-0584744
(1984-02-29)
발명자
/ 주소
Coleman, Clarence B.
출원인 / 주소
Fabricated Metals, Inc.
대리인 / 주소
Wiseman, Jack M.
인용정보
피인용 횟수 :
8인용 특허 :
10
초록▼
A bulk material container comprising a shell made from suitable material, such as aluminum or stainless steel. Disposed within the shell is a floatable rigid follower. The vertical position of the floatable rigid follower varies with the level of flowable bulk material stored in the shell. The rigid
A bulk material container comprising a shell made from suitable material, such as aluminum or stainless steel. Disposed within the shell is a floatable rigid follower. The vertical position of the floatable rigid follower varies with the level of flowable bulk material stored in the shell. The rigid follower comprises axially aligned, juxtaposed rigid sections with a flexible wiper secured therebetween. A permanent magnet is carried by the rigid follower for movement therewith and means responsive to a magnetic field are attached to the exterior of the shell to detect the height of the permanent magnet. Indicating means are responsive to the operation of the means responsive to a magnetic field for indicating the level of the rigid follower. In a modification of the bulk material container, the wiper is replaced by an inflatable seal and the floatable rigid follower provides a selectively positionable cover for the bulk material container.
대표청구항▼
1. A container for bulk material comprising: (a) a shell for storing bulk material, said shell being formed with a vertical inner surface; (b) a rigid, floatable follower disposed in said shell in constant contact with the upper surface of the bulk material stored in said shell, said follower co
1. A container for bulk material comprising: (a) a shell for storing bulk material, said shell being formed with a vertical inner surface; (b) a rigid, floatable follower disposed in said shell in constant contact with the upper surface of the bulk material stored in said shell, said follower comprising rigid members in axial alignment and a disk-shaped yieldable member secured between said rigid members for engaging continuously the inner surface of said shell; and (c) means on said shell disposed below said follower for removing bulk material from said shell, said yieldable member being a wiper for wiping the inner surface of said shell as bulk material is removed from said shell, said rigid members being in the form of a hollow body and a plate between which said wiper is secured, one of said rigid members being formed with a curved wall at the perimeter thereof for guiding the flexing action of said yieldable member at the perimeter thereof during the wiping of said inner surface of said shell. 2. A container as claimed in claim 1 and comprising means responsive to the movement of said rigid, floatable follower as said follower follows the level of the material in said shell, said means comprising a level indicator disposed on said follower interiorly of said shell to indicate the level of the material in said shell. 3. A container as claimed in claim 1 and comprising a magnet mounted on said rigid, floatable follower interiorly of said shell for movement therewith, and means responsive to the magnetic field of said magnet and supported by said shell exteriorly of said shell, said means responsive to the magnetic field of said magnet activated by the magnetic field of said magnet in response to said follower moving to the approximate height of said means. 4. A container as claimed in claim 1 wherein said rigid sections are secured together by fastening means and wherein said wiper has an annular configuration and wherein said wiper is secured between said rigid sections outwardly from the location of said fastening means. 5. A container as claimed in claim 1 and comprising a spacer member disposed in the axial opening of said annular wiper between said rigid sections. 6. A container for bulk material comprising: (a) a shell for storing bulk material, said shell being formed with a vertical inner surface; (b) a rigid, floatable follower disposed in said shell in constant contact with the upper surface of the bulk material stored in said shell, said follower comprising rigid members in axial alignment and a disk-shaped yieldable member secured between said rigid members for engaging continuously the inner surface of said shell, one of said rigid members being in the form of a hollow body; and (c) means in said shell disposed below said follower for removing bulk material from said shell, said yieldable member being a wiper for wiping the inner surface of said shell as bulk material is removed from said shell, said rigid members being formed with confronting walls curved at the perimeters thereof in opposite directions and said wiper being disposed between said walls for guiding the flexing action of said wiper at the perimeter thereof during the wiping of said inner surface of said shell. 7. A container as claimed in claim 6 and comprising a magnet mounted on said rigid, floatable follower interiorly of said shell for movement therewith, and means responsive to the magnetic field of said magnet and supported by said shell exteriorly of said shell, said means responsive to the magnetic field of said magnet activated by the magnetic field of said magnet in response to said follower moving to the approximate height of said means. 8. A container as claimed in claim 6 and comprising a magnet mounted on said plate interiorly of said shell for movement therewith, and means responsive to the magnetic field of said magnet and supported by said shell exteriorly of said shell, said means responsive to the magnetic field of said magnet activated by the magnetic field of said magnet in response to said plate moving to the approximate height of said means. 9. A container for bulk material comprising: (a) a shell for storing bulk material, said shell being formed with a vertical inner surface; (b) a rigid, floatable follower disposed in said shell in constant contact with the upper surface of the bulk material stored in said shell, said follower comprising rigid members in axial alignment and a disk-shaped yieldable member secured between said rigid members for engaging continuously the inner surface of said shell; and (c) means on said shell disposed below said follower for removing bulk material from said shell, said yieldable member being a wiper for wiping the inner surface of said shell as bulk material is removed from said shell, said rigid members being in the form of a hollow body and a plate between which said wiper is secured, said plate being disposed above said body and being curved upwardly and outwardly at the perimeter thereof, said body being formed with an upper wall confronting said plate, said upper wall being curved downwardly and outwardly at the perimeter thereof, said wiper being disposed between said walls and projecting radially outwardly therefrom, said wiper being restrained by said walls at the perimeter thereof during the wiping of the inner surface of said shell. 10. A container for bulk material comprising: (a) a shell for storing bulk material, said shell being formed with a vertical inner surface; (b) a rigid, floatable follower disposed in said shell in constant contact with the upper surface of the bulk material stored in said shell, said follower comprising rigid members in axial alignment and a disk-shaped yieldable member secured between said rigid members for engaging continuously the inner surface of said shell; (c) means on said shell disposed below said follower for removing bulk material from said shell, said yieldable member being a wiper for wiping the inner surface of said shell as bulk material is removed from said shell, said rigid members being in the form of a hollow body and a plate between which said wiper is secured, said plate being disposed above said body and being curved upwardly and outwardly at the perimeter thereof, said body being formed with an upper wall confronting said plate, said upper wall being curved downwardly and outwardly at the perimeter thereof, said wiper being disposed between said walls and projecting radially outwardly therefrom, said wiper being restrained by said walls at the perimeter thereof during the wiping of the inner surface of said shell; (d) a magnet mounted on said rigid, floatable follower interiorly of said shell for movement therewith; and (e) means responsive to the magnetic field of said magnet and supported by said shell exteriorly of said shell, said means responsive to the magnetic field of said magnet activated by the magnetic field of said magnet in response to said follower moving to the approximate height of said means.
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이 특허에 인용된 특허 (10)
Wilder Joseph R. (151 W. 86th St. New York NY 10024) Kanbar Maurice S. (34 W. 13th St. New York NY 10011) Wilder Cynthia K. (151 W. 86th St. New York NY 10024), Alarm system for intravenous infusion procedure.
Myers James F. (First & Curtis Ave. Thorofare NJ 08086) Thoemke Lloyd C. (3737 Chichester Ave. Boothwyn PA 19061), Double secondary seal for floating roof tanks.
Tenold Tyrus N. (Spokane WA) Cossette Michael D. (Spokane WA) Kuntz James P. (Spokane WA) Gordon Jack D. (Spokane WA), Floating lid for a liquid storage tank.
Noyes Walter O. (308 Elm St. Bennington VT 05201) Helft John M. (Center Rd. Eagle Bridge NY 12057), Liquid level alarm for remotely indicating when less than a predetermined quantity of fuel oil remains in a storage tank.
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