Methods and apparatus for lining process tanks
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-065/00
B29C-065/42
B29C-063/30
B29C-047/00
B29C-063/48
B29C-065/12
B29C-065/48
B29C-065/54
B29C-065/52
B29C-063/00
B29C-063/02
B29K-101/12
B29K-305/00
B29L-031/00
출원번호
US-0396231
(2012-02-14)
등록번호
US-9278478
(2016-03-08)
발명자
/ 주소
Goad, Curtis
출원인 / 주소
Goad, Curtis
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
1인용 특허 :
19
초록▼
Disclosed herein are exemplary embodiments of linings, liners, and methods of providing a liner or lining for a tank. An exemplary embodiment includes a method of providing a liner or lining for a tank. In this exemplar embodiment, the method includes extrusion welding a pair of sheets together by i
Disclosed herein are exemplary embodiments of linings, liners, and methods of providing a liner or lining for a tank. An exemplary embodiment includes a method of providing a liner or lining for a tank. In this exemplar embodiment, the method includes extrusion welding a pair of sheets together by infusing a molten thermoplastic material along an interface and within a gap between the pair of sheets. The method also includes extrusion welding the pair of sheets to a bottom sheet by infusing the molten thermoplastic material along and between the pair of sheets and the bottom sheet.
대표청구항▼
1. A method of providing a liner or lining for a tank, the method comprising: positioning a pair of sheets adjacent each other to form a gap therebetween;extrusion welding the pair of sheets together by infusing a molten thermoplastic material along an interface and within the gap between the pair o
1. A method of providing a liner or lining for a tank, the method comprising: positioning a pair of sheets adjacent each other to form a gap therebetween;extrusion welding the pair of sheets together by infusing a molten thermoplastic material along an interface and within the gap between the pair of sheets;positioning the pair of sheets adjacent a bottom sheet to form a gap between the pair of sheets adjacent and the bottom sheet;extrusion welding the pair of sheets to the bottom sheet by infusing the molten thermoplastic material along an interface and within the gap between the pair of sheets and the bottom sheet; andpositioning the pair of sheets and the bottom sheet within a tank;wherein another gap is adjacent at least one wall of the tank and at least one of the bottom sheet and a sheet of the pair of sheets, and wherein extrusion weld material is infused within said another gap and penetrates to the at least one wall of the tank. 2. The method of claim 1, wherein positioning the pair of sheets and bottom sheet within the tank includes positioning the pair of sheets and bottom sheet within the tank after the extrusion welding. 3. The method of claim 1, wherein the thermoplastic material infused within the gap seals the pair of sheets and bottom sheet and isolates contents that contact the pair of sheets and bottom sheet from the tank. 4. The method of claim 1, wherein the pair of sheets and the bottom sheet comprise plasticized polyvinyl chloride sheets. 5. The method of claim 1, wherein extrusion welding includes: moving a portable extrusion welder near the interface between the pair of sheets;activating the portable extrusion welder to generate and discharge the molten thermoplastic material;controlling the pressure and temperature of the discharged molten thermoplastic material;infusing the molten thermoplastic material from the portable extrusion welder, along the pair of sheets and within the exposed interface of the pair of sheets at the controlled pressure and temperature; andinfusing the molten thermoplastic material along and between the pair of sheets and the bottom sheet at the controlled pressure and temperature. 6. A lining, liner, or tank produced according to the method of claim 1. 7. A lining for a tank, comprising a bottom sheet and a plurality of side sheets, the plurality of side sheets configured such that a gap is between a pair of adjacent side sheets of the plurality of side sheets, the pair of adjacent side sheets joined by an extrusion weld infused within the gap and along an interface between the pair of adjacent side sheets, wherein the lining defines an internal volume usable for storage of materials and wherein the pair of adjacent side sheets are joined by the extrusion weld without a filler rod in the gap therebetween, wherein the gap is a first gap, wherein a second gap is adjacent at least one wall of the tank and at least one of the bottom sheet and a side sheet of the pair of adjacent side sheets, and wherein extrusion weld material is infused within the second gap and penetrates to the at least one wall of the tank. 8. The lining of claim 7, wherein each side sheet of the pair of adjacent side sheets include a beveled edge such that the gap is defined between the beveled edges of the pair of adjacent side sheets. 9. The lining of claim 7, wherein: the pair of adjacent side sheets is joined to the bottom sheet by an extrusion weld; andan insert at a corner formed by the pair of adjacent side sheets and bottom sheet. 10. The lining of claim 7, further comprising a molded triangular insert extrusion welded at a corner formed by the pair of adjacent side sheets and bottom sheet. 11. The lining of claim 7, wherein the extrusion weld comprises thermoplastic material and the plurality of side sheets comprise plasticized polyvinyl chloride sheets, whereby the extrusion weld is formed by infusing molten thermoplastic material within the gap such that the thermoplastic material fills the gap. 12. The lining of claim 7, wherein: the plurality of side sheets are configured such that a gap is between each pair of adjacent side sheets of the plurality of side sheets;each pair of adjacent side sheets are joined by an extrusion weld infused within the gap and along an interface between each corresponding pair of adjacent side sheets; andthe plurality of side sheets are joined to the bottom sheet by an extrusion weld. 13. The lining of claim 7, wherein the bottom sheet and the plurality of side sheets are configured for use as a drop-in liner for the tank. 14. A liner comprising the lining of claim 7 and an outer shell coupled to the lining. 15. The liner of claim 14, wherein: the lining comprises flexible polyvinyl chloride;the outer shell comprises rigid polyvinyl chloride; andelectrically-conductive material is disposed between the lining and the outer shell, such that the electrically-conductive material with a ground connection allows for leak detection, permeation monitoring, and/or spark testing. 16. A tank comprising the lining of claim 7. 17. A tank comprising a lining that comprises a bottom sheet and a plurality of side sheets, the plurality of side sheets configured such that a gap is between a pair of adjacent side sheets of the plurality of side sheets, the pair of adjacent side sheets joined by an extrusion weld infused within the gap and along an interface between the pair of adjacent side sheets, wherein the lining defines an internal volume usable for storage of materials, wherein the pair of adjacent side sheets are joined by the extrusion weld without a filler rod in the gap therebetween, wherein the gap is a first gap, wherein the tank includes a wall having a second gap adjacent at least one of the bottom sheet and a side sheet of the pair of adjacent side sheets, and wherein the at least one of the bottom sheet and the side sheet of the pair of adjacent side sheets is joined to the wall by an extrusion weld infused within the second gap of the wall. 18. The tank of claim 16, wherein the bottom sheet is bonded to a bottom of the tank and wherein the pair of sheets are bonded to sidewalls of the tank. 19. A tank comprising a plurality of surfaces and a liner having a bottom sheet and a plurality of side sheets, the plurality of side sheets configured such that a gap is between a pair of adjacent side sheets of the plurality of side sheets, the pair of adjacent side sheets joined by an extrusion weld infused within the gap and along an interface between the pair of adjacent side sheets, wherein the bottom sheet is joined to the pair of adjacent side sheets by an extrusion weld within a gap between and along an interface between the bottom sheet and the pair of adjacent side sheets, wherein the pair of adjacent side sheets are joined by the extrusion weld without a filler rod in the gap therebetween, wherein the bottom sheet is joined to the pair of adjacent side sheets by the extrusion weld without a filler rod in the gap therebetween, wherein another gap is adjacent at least one surface of the plurality of surfaces of the tank and at least one of the bottom sheet and a side sheet of the pair of adjacent side sheets, and wherein extrusion weld material is infused within said another gap and penetrates to the at least one surface of the tank. 20. The tank of claim 19, wherein the liner is positioned within the tank after the pair of adjacent side sheets are joined by the extrusion weld. 21. The tank of claim 19, wherein each side sheet of the pair of adjacent side sheets include a beveled edge such that the gap is defined between the beveled edges of the pair of adjacent side sheets. 22. The tank of claim 21, further comprising an insert extrusion welded at a corner formed by the pair of adjacent side sheets and bottom sheet. 23. The tank of claim 17, wherein the wall includes a wooden wall. 24. The tank of claim 17, wherein the second gap includes at least one of an inverted v-shaped notch and a dovetail shaped notch. 25. The tank of claim 17, wherein the wall includes a floor.
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