초록

Connecting apparatus for placing at least one single fluid flow path in fluid communication with at least two single fluid flow paths of a plurality of single fluid flow paths.

대표청구항 ▼

Connecting apparatus for placing at least one single fluid flow path in fluid communication with at least two single fluid flow paths of a plurality of single fluid flow paths. omprising the step of welding together said two or more cylindrical elements producing a welded joint between the substanti

Connecting apparatus for placing at least one single fluid flow path in fluid communication with at least two single fluid flow paths of a plurality of single fluid flow paths. omprising the step of welding together said two or more cylindrical elements producing a welded joint between the substantially circular ends of said two or more cylindrical elements. 17. A method according to claim 16, comprising pre-stressing a cylindrical element before joining it to one or more other cylindrical elements. 18. A method according to claim 17, comprising making smooth the outer surface of the cylinder such that the cylindrical skin including the joints between cylindrical elements is flat and level on the outside of the transfer roll. 19. A method, according to claim 16, removing material from the interior surface of the cylindrical skin between two cylindrical elements so forming one or more recesses in the cylindrical skin of the transfer roll. 20. A system for measuring a characteristic of a strip of flat or rolled material, wherein a transfer roll is arranged with sensors for measurement of a force placed inside said transfer roil having a cylindrical skin, and a control unit for processing measurement values from said sensors,, including a plurality of cylindrical elements and a means for providing a region of cylindrical skin of predetermined and reduced mechanical stiffness together such that the stiffness of the joint is known and less than the stiffness of the surrounding material of the cylindrical element. 21. The use of a system according to claim 20 for measuring a property of a strip of flat or rolled material. 22. A transfer roll for conveying a strip of substantially flat material, comprising: an outer cylindrical skin; one or more sensors for measuring force in operative relationship therewith, the outer cylindrical skin comprising at least two cylindrical elements; a welded joint for mechanically connecting the cylindrical elements for providing a region of predetermined and reduced mechanical stiffness relative to the stiffness of the remainder of the cylindrical skin and wherein the joint has a cross section reduced in thickness relative to the thickness of the remainder of the cylindrical skin, and wherein the welded joint is formed between a step of reduced thickness in the cylindrical skin material of a substantially circular end of one cylindrical element and an underlying co-operating step in a circular end of the other cylindrical element. 23. A method to provide a transfer roll wherein at least two or more cylindrical elements are joined together, comprising the step of: welding together said two or more cylindrical elements producing a welded joint between the substantially circular ends of said two or more cylindrical elements, and joining said two or more cylindrical elements by a partial thickness only of the cross section of the cylindrical skin adjacent to the joint. 24. A transfer roll for conveying a strip of substantially flat material, comprising: an outer cylindrical skin; including at least two cylindrical elements each having a selected thickness and a stepped end portion of reduced thickness engaging each other for forming an overlapping end region for providing a continuous region of predetermined and reduced mechanical stiffness in said overlapping region. or (64) and secured with a locking jam nut (82). The magnetic field produced by magnet (42) induces a current flow in the AMR device (38) which, in turn, affects the resistance of the ARM device (38) in relation to angle between the field and internal current flow through the ARM device (38). at extends radially with respect to the axis inwardly toward the axis and outwardly away from the axis when the body is positioned along the axis; with each of the first, second and third arm portions being configured, when moved inwardly toward the axis, to pass at least part way through the hole when the insertion portion of the body is moved along the axis to the installed position; with each of the first arm portions being configured, when pivotally moved outwardly away from the axis, to define a first engagement surface that faces in the opposite direction toward said plane; with each of the second arm portions being configured, when pivotally moved outwardly away from the axis, to define a second engagement surface that faces in the opposite direction toward said plane; with each of the third arm portions being configured when pivotally moved outwardly away from the axis, to define a third and fourth engagement surfaces that face in the opposite direction toward said plane; with the first engagement surfaces being spaced a substantially equal first distance from said plane; with the second engagement surfaces being spaced a substantially equal second distance from said plane that differs from said first distance; with the third engagement surfaces being spaced a substantially equal third distance from said plane that differs from said first and second distances; with the fourth engagement surfaces being spaced a substantially equal fourth distance from said plane that differs from the first, second and third distances; and, c) means for connecting the first, second and third arms to the body, for causing each of the arm portions to normally extend outwardly from the insertion portion of the body to positions located away from the axis, and for causing each of the arm portions to be biased toward said positions when pressed inwardly toward the axis to permit the insertion portion of the body to pass through the hole, to thereby cause the arm portions of at least one of the first, second and third pairs of arms to pivotally move outwardly away from the axis once the insertion portion has been moved to the installed position to cause the engagement surfaces thereof to face in said opposite direction toward said opposite side of the panel so that the one and opposite sides of the panel are engaged by the shoulder and by selected ones of the engagement surfaces of such ones of the arm portions as have pivotally moved outwardly away from the axis after passing at least part way through the hole; with such ones of the arm portions as have not pivotally moved outwardly away from the axis when the insertion portion has been moved to the installed position being configured to press against the material of the panel that defines the hole to minimize looseness of the insertion portion of the body within the hole and to minimize movement of the body relative to the panel in the presence of vibration; d) whereby the device can be securely mounted on panels of differing thicknesses that each substantially equal one of the differing first, second, third and fourth distances. 2. The snap-in mount of claim 1 wherein the hole formed through the panel is defined by a surface that extends between the one side and the opposite side of the panel, and the first, second and third arm portions are configured and connected to the body to engage different segments of said surface so as to be pressed inwardly toward the axis as the insertion portion of the body passes through the hole during insertion. 3. The snap-in mount of claim 1 wherein the first, second and third arms are formed integrally with the body, and the means for connecting the first, second and third arms to the body includes thin cross-sections of material that can be flexed to enable each of the arm portions to move relative to the insertion portion of the body toward and away from the axis. 4. The snap-in mount of claim 3 wherein the body is formed from plastics material havin g memory, and the biasing of the arm portions toward said positions results at least in part from the memory of the plastics material. 5. The snap-in mount of claim 3 wherein the body defines recesses into which the arm portions extend when the arm portions are pressed inwardly toward the axis to permit the insertion portion to pass through the hole. 6. The snap-in mount of claim 5 wherein each of the recesses receives a separate one of the arms when the arm portions are pressed inwardly toward the axis. 7. The snap-in mount of claim 5 wherein the insertion portion of the body has a cross-section that is defined at least in part by a first curved surface, and at least a first one of the recesses opens outwardly through the first curved surface. 8. The snap-in mount of claim 7 wherein the cross-section also is defined at least in part by a second curved surface located on an opposite side of the cross-section from the first curved surface, and at least a second one of the recesses opens outwardly through the second curved surface. 9. The snap-in mount of claim 5 wherein the insertion portion of the body has a cross-section that is defined at least in part by a first flat surface, and at least a first one of the recesses opens outwardly through the first flat surface. 10. The snap-in mount of claim 9 wherein the cross-section also is defined at least in part by a second flat surface located on an opposite side of the cross-section from the first flat surface, and at least a second one of the recesses opens outwardly through the second flat surface. 11. The snap-in mount of claim 5 wherein the insertion portion of the body has a cross-section that is defined at least in part by a first flat surface and at least in part by a first curved surface that joins with the first flat surface at a first juncture, and at least a first one of the recesses is located near the first juncture. 12. The snap-in mount of claim 11 wherein the cross-section also is defined at least in part by a second flat surface and at least in part by a second curved surface that joins with the second flat surface at a second juncture, and at least a second one of the recesses is located near the second juncture. 13. The snap-in mount of claim 12 wherein the first and second flat surfaces are located on opposite sides of the cross-section from each other, the first and second curved surfaces are located on opposite sides of the cross-section from each other, the first and second junctures are located on opposite sides of the cross-section from each other, and the first and second ones of the recesses are located on opposite sides of the cross-section from each other. 14. The snap-in mount of claim 13 wherein additional ones of the recesses open through the first and second flat surfaces at locations on opposite sides of the cross-section from each other. 15. The snap-in mount of claim 14 wherein the first flat surface joins the second curved surface at a third juncture, the second flat surface joins the first curved surface at a fourth juncture, and other ones of the recesses are located near the third and fourth junctures on opposite sides of the cross-section from each other. 16. A cam lock having a body 1) that extends along an imaginary central axis, 2) that defines a shoulder which faces in one direction along the axis and extends in a shoulder plane that perpendicularly intersects the axis for engaging one side of a panel on which the cam lock is to be mounted, 3) that has a generally cylindrical insertion portion of the body that extends in said direction along the axis away from the shoulder and that is configured to be inserted into and to pass at least partially through a mounting hole formed through the panel, and 4) that carries arms arranged in first, second and third opposed pairs with the arms of each pair being located on opposite sides of the axis with the arms of each pair being spaced circumferentially about the body from the arms of the other