JP2010181327A5 - - Google Patents

Claims (11)

A hollow outer shell having a hollow portion on one side in which an end of a cask formed in a substantially cylindrical shape is accommodated, and an impact force acting in the central axis direction of the cask filled in the outer shell. A cask shock absorber comprising a first shock absorber that absorbs mainly and a second shock absorber that mainly absorbs an impact force acting in a direction perpendicular to the central axis of the cask,
The first shock absorbing material formed in a ring shape on the end face side of the cask in the outer shell and having an inner diameter smaller than the outer diameter of the recessed portion and an outer diameter larger than the outer diameter of the recessed portion. The projecting width of the first shock absorber projecting in the radial direction of the cask from the outer surface of the outer shell that is arranged concentrically with the recess and that forms the recess is the diameter of the first shock absorber. A cask buffer characterized by being limited to half or less of the direction width. In the cask buffer according to claim 1,
The outer shell is composed of at least four regions, and the four regions are a central portion disposed on a portion facing the hollow portion on the end surface side of the cask, and an outer periphery of the central portion. A ring-shaped middle portion whose side is disposed in the portion facing the hollow portion and whose outer peripheral side is disposed outside the hollow portion, and a peripheral angle that is disposed outside the middle portion and in the outermost circumferential portion of the outer shell And an end peripheral portion disposed at a portion facing the hollow portion in the radial direction of the cask,
The first and second shock absorbers are formed of wood or a wood board having anisotropy of stress strain characteristics, and the direction in which the stress strain characteristics of these wood or wood board are high is the central portion and the surrounding angle. The cask buffer, wherein the portion and the end peripheral portion are oriented in a direction perpendicular to the central axis of the cask, and the middle portion is oriented in a direction parallel to the central axis of the cask. body. The cask buffer according to claim 2,
The end peripheral portion is formed in a ring shape, and the central opening of the end peripheral portion is used as the hollow portion, and one side of the end peripheral portion is arranged in the radial direction of the cask from the outer surface of the outer shell in the hollow portion. A cask buffer, which is disposed in contact with the projecting portion of the middle portion that projects and the peripheral corner portion. The cask buffer according to claim 2,
The cask is characterized in that the recess is formed at the center of one surface of the end periphery, and the center, middle, and peripheral corners are disposed in contact with the surface of the end periphery where the recess is not formed. Buffer. In the cask buffer according to claim 1,
The inner part of the outer shell is composed of at least three regions, and the three regions are arranged on the end surface side of the cask on the inner peripheral side facing the concave part, and the outer peripheral side is arranged on the outer side of the concave part. A ring-shaped middle portion, a peripheral corner portion arranged outside the middle portion and at an outermost peripheral portion of the outer shell, and an end peripheral portion arranged at a portion facing the hollow portion in the radial direction of the cask Consists of
The first and second shock absorbers are formed of wood or a wood board having anisotropy of stress-strain characteristics, and the orientation of the wood or wood board having a high stress-strain characteristic is the peripheral corner portion and the end. A cask buffer body having a peripheral portion oriented in a direction perpendicular to a central axis of the cask and a central portion oriented in a direction parallel to the central axis of the cask.   6. The cask buffer according to claim 5, wherein a heat insulating material or a fireproof material is housed inside a central opening formed in the ring shape. The cask buffer body according to any one of claims 1 to 6,
A thick portion having an outer diameter larger than the diameter of the dent and a plate thickness larger than that of the other portion is formed at the center of the surface of the outer shell where the dent is formed. Cask buffer. In the cask buffer according to claim 7,
The first shock absorbing material formed in a ring shape having an inner diameter smaller than the outer diameter of the cask and having an outer diameter larger than the outer diameter of the cask is formed on the end face side of the cask in the outer shell. The first shock absorber is disposed concentrically with the outer wall of the thick part and protrudes in the radial direction of the cask from the outer surface of the outer shell forming the hollow part. A cask shock absorber characterized by being limited to ½ or less of the projecting width of the first shock absorber projecting in the radial direction. The cask buffer body according to any one of claims 1 to 6,
A cask shock absorber, wherein a thickness of the outer shell is uniformly formed over the entire circumference, and a reinforcing rib is provided at a required portion including at least a portion where the hollow portion is formed. The cask buffer according to claim 9, wherein
The first shock absorbing material formed in a ring shape having an inner diameter smaller than the outer diameter of the cask and having an outer diameter larger than the outer diameter of the cask is formed on the end face side of the cask in the outer shell. And the protruding width of the first shock absorber that protrudes in the radial direction of the cask from the outer end of the reinforcing rib, and the diameter of the cask from the outer surface of the outer shell that forms the recessed portion. A cask shock absorber characterized by being limited to ½ or less of the projecting width of the first shock absorber projecting in the direction. A cask having an inner cylinder and an outer cylinder, wherein both ends of the inner cylinder protrude outward from both ends of the outer cylinder, and the inner cylinder protrudes outward from both ends of the outer cylinder In what is attached to the both ends of the cask buffer body to protect the part,
As the cask cushion, a hollow outer shell having a hollow portion in which one end of the cask is accommodated on one side, and an impact force acting in the central axis direction of the cask filled in the outer shell A first shock absorber that mainly absorbs the second shock absorber and a second shock absorber that mainly absorbs the impact force acting in the direction perpendicular to the central axis of the cask, and the end face side of the cask in the outer shell In addition, the first shock absorber formed in a ring shape having an inner diameter smaller than the outer diameter of the hollow portion and an outer diameter larger than the outer diameter of the hollow portion is disposed concentrically with the hollow portion, The protruding width of the first shock absorbing material protruding in the radial direction of the cask from the outer surface of the outer shell forming the hollow portion is limited to ½ or less of the radial width of the first shock absorbing material. And the center of the surface of the outer shell where the recess is formed Minute, cask, characterized in that it comprises what outer diameter larger than the diameter of the recess, and the plate thickness to form a large thick portion than other portions.