Container for transporting and storing hazardous substances and method for making the container
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F17C-001/00
출원번호
UP-0745801
(2007-05-08)
등록번호
US-7658300
(2010-04-02)
발명자
/ 주소
Eckert, Alan G.
Rummel, Trevor M.
출원인 / 주소
Columbiana Boiler Company, LLC
대리인 / 주소
Hahn Loeser & Parks LLP
인용정보
피인용 횟수 :
1인용 특허 :
17
초록▼
A container for transporting and storing hazardous materials such as Chlorine includes a cylindrical body having end caps. The end caps are welded to the body to form a pressure vessel. The end caps have a peripheral edge that is recessed with respect to the ends of the body to protect the weld agai
A container for transporting and storing hazardous materials such as Chlorine includes a cylindrical body having end caps. The end caps are welded to the body to form a pressure vessel. The end caps have a peripheral edge that is recessed with respect to the ends of the body to protect the weld against damage from impact. The configuration of the juxtaposed components forms a lap joint that can be affixed together by a fillet weld.
대표청구항▼
We claim: 1. A vessel for containing hazardous pressurized material, comprising: a generally tubular body portion and at least a first end member defining an interior region containing a lethally-inhaled substance, wherein the generally tubular body portion has first and second ends that are inward
We claim: 1. A vessel for containing hazardous pressurized material, comprising: a generally tubular body portion and at least a first end member defining an interior region containing a lethally-inhaled substance, wherein the generally tubular body portion has first and second ends that are inwardly chimed toward a centerline of the vessel; wherein the at least a first end member has a domed center portion and substantially uniformly thick walls, wherein the domed center portion is convexly curved with respect to the interior region having a radius of curvature from a center to a circumferential edge of the at least a first end member whereby the at least a first end member is adapted to concavely invert under pressure thereby increasing a volume of the vessel and automatically reducing pressure of the lethally-inhaled substance, wherein the at least a first end member forms a lap weld joint with an interior surface of the generally tubular body portion that is retracted with respect to the first and second ends such that the lap weld joint is formed within the interior region of the generally tubular body portion; and, wherein the at least a first end member is fusion welded to the generally tubular body portion at the lap weld joint. 2. The vessel as defined in claim 1, wherein the body portion is constructed from ASME SA-516 Grade 70 carbon steel. 3. The vessel as defined in claim 2, wherein the body portion has a minimum thickness of about 13/32 inches. 4. The vessel as defined in claim 1, wherein the at least a first end member is constructed from ASME SA-516 Grade 70 carbon steel, and, wherein the at least a first end member has a minimum thickness of about 11/16 inches. 5. The vessel as defined in claim 1, wherein the body portion includes a longitudinal seam, and, wherein the longitudinal seam is fusion welded. 6. The vessel as defined in claim 5, further comprising: one or more valves for filling the vessel with an associated pressurized material. 7. A method of constructing a vessel for containing hazardous pressurized substances, the steps comprising: providing a tubular body having an end portion defining an interior region and a peripheral lip; providing at least a first domed shaped end member having a center portion and a peripheral edge extending transversely from a circumferential edge of the center portion, wherein the at least a first domed shaped end member is curved from a center to a circumferential edge of the at least a first domed shaped end member so that the at least a first domed shaped end member is adapted to invert under pressure for increasing a volume of the vessel and automatically reducing pressure of the hazardous material; positioning the at least a first domed shaped end member such that the curved portion is convex with respect to the interior region; recessing the peripheral edge of the at least a first end member with respect to the peripheral lip of the body forming a lap joint thereby forming a lap weld joint within the interior region; chiming the end portion of the body inwardly toward a centerline axis of the body portion; pre-forming the peripheral edge of the at least a first domed shaped end member to match the chimed end portion and, welding the peripheral edge of the at least a first end member to an interior surface of the tubular body. 8. The method as defined in claim 7, wherein the step of: welding the peripheral edge of the at least a first end member to the peripheral lip of the body, comprises the step of: fillet welding the lap joint of the peripheral edge of the at least a first end member and the peripheral lip of the body thereby forming an interior weld joint between the body and the at least a first end member. 9. The method as defined in claim 7, wherein the step of: providing a tubular body having an end portion defining a peripheral lip, comprises the step of: providing a generally cylindrical body having an end portion defining a peripheral lip, wherein the body is constructed from 516 grade 70 carbon steel having a minimum thickness of 13/32 inch. 10. A vessel for containing hazardous pressurized material, comprising: a roll formed body portion and first and second end members fixedly attached to the roll formed body portion defining an interior region containing a pressurized lethally-inhaled material, wherein the roll formed body portion is constructed from a grade 70 of carbon steel and forms a cylinder having first and second ends that are both inwardly chimed with respect to a centerline axis of roll formed body portion, wherein the roll formed body portion has a minimum wall thickness (T1); wherein the first and second end members have arched center portions and wall thicknesses (T2) that are approximately 1.7 times the minimum wall thickness (T1), wherein the first and second end members are recessed entirely within the first and second ends of the roll formed body portion respectively, wherein the arched center portions of each of the first and second end members have a constant radius of curvature from the center point to an outer periphery of the first and second end members, wherein the arched center portions are each convex with respect to the interior region thereby defining a first volume (V1) of pressurized material storage, wherein under pressure either or both of the first and second end members invert concavely to define a second larger volume (V2) of pressurized material storage, wherein the first and second end members each include a peripheral edge extending transversely from the outer periphery, wherein the respective peripheral edges of the first and second end members are angled inwardly with respect to a centerline axis of the vessel to match the inwardly chimed first and second ends of the roll formed body portion, wherein the peripheral edges of the first and second end members each form respective lap joints on an interior surface of the roll formed body portion proximal to the first and second ends of the roll formed body portion for protecting the respective lap joints of the first and second end members, and wherein the first and second end members are fusion welded to the roll formed body portion at the respective lap joints. 11. The vessel as defined in claim 10, wherein the pressurized lethally-inhaled material comprises chlorine. 12. The vessel as defined in claim 1, wherein the pressurized lethally-inhaled material comprises chlorine. 13. The vessel as defined in claim 12, wherein the radius of curvature is constant from the center of the at least a first end member to the circumferential edge of the at least a first end member.
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