Abstract: The presently disclosed device provides a method and means for ensuring that containers of all types and sizes are vented or purged to atmospheric or environmental conditions upon the interior or exterior of the container reaching a critical temperature pressure, or humidity. Specifically, the presently disclosed invention integrates shape memory polymer (SMP) based, thermally activated fasteners into the venting systems. The result is a venting system that increases munitions safety without compromising the venting effectiveness, structural integrity, or the required bullet/fragment impact resistance requirements of the system.

Abstract: A process to load a medical device comprising a shape memory material into a delivery system is described herein. According to one aspect, the method includes applying a force to the medical device to obtain a delivery configuration thereof, where the device is at a first temperature within an R-phase temperature range of the shape memory material during application of the force. The medical device is cooled in the delivery configuration to a second temperature at or below a martensite finish temperature of the shape memory material. The force is then removed from the medical device, and the device is loaded into a delivery system. Preferably, the medical device substantially maintains the delivery configuration during the loading process.

Abstract: A reconfigurable fixture device system, including: a base member; a reconfigurable pad disposed on the base member, wherein the reconfigurable pad comprises a shape memory material configured to selectively conform to a surface contour of a workpiece; an activation device in operative communication with the shape memory material; a controller in operable communication with at least one of the reconfigurable pad, the activation device, and the base member; a plurality of sensors for sensing a parameter associated with at least one of the reconfigurable pad, the base member, the fixture device, and the workpiece, wherein the plurality of sensors is in operable communication with the controller; and an actuator in operable communication with the controller and the at least one of the reconfigurable pad, the base member, the fixture device, and the workpiece.

Abstract: A process generally includes contacting a surface of at least one workpiece with a reconfigurable pad of a fixture device, wherein the reconfigurable pad comprises a shape memory material configured to conform to the surface of the at least one workpiece, and fixturing the contacted workpiece.

Abstract: A fixture device generally includes a base member, a reconfigurable pad disposed on the base member, wherein the reconfigurable pad comprises a shape memory material configured to selectively conform to a surface contour of a workpiece, and an activation device in operative communication with the shape memory material.

Abstract: A fixture device generally includes a base member, a reconfigurable pad comprising a shape memory material configured to selectively conform to a surface contour of a workpiece, and a thermoelectric unit in operative communication with the shape memory material of the reconfigurable pad. A process for operating a fixture device includes passing a current in a first direction through a thermoelectric unit in operative communication with a reconfigurable pad in an amount effective to heat a shape memory material therein to or above a shape setting temperature, contacting a surface of a workpiece with the reconfigurable pad, cooling the shape memory material below the shape setting temperature, and fixturing the workpiece with the fixture device.

Abstract: An apparatus for crimping a terminal includes a crimper vertically reciprocating to crimp electric terminals to conductors of a striped wire, and anvil opposing the crimper, and an operating mechanism for vertically reciprocating the crimper. The operating mechanism has a piston-crank apparatus to vertically reciprocate a ram attached to the crimper and a servo-motor connected to a circular plate in the piston-crank mechanism by way of a reduction gear. The operating mechanism also has a control device that stops the servo-motor for a given time period when the crimper is positioned at its lowest position to prevent spring-back of the crimper material.

Abstract: A method for positioning both dies set to both movable and stationary platens of a plastic molding machine to form a cavity by fitting convex and concave portions formed on the facing surfaces of the dies into a spigot respectively, wherein a movable die is set to the movable platen at the retreat position to secure the movable die to the home position and a stationary die is temporarily clamped at the home position of the stationary platen by pressing the stationary die in the lateral direction by a repulsive member, the movable die is advanced against the stationary die under the above state, die matching of the stationary and movable dies is performed by fitting the convex portion to the concave portion, and thereby positioning of the stationary die is performed by correcting the position of the die before permanently clamping the stationary die to the stationary platen under the state in which the both dies are fastened by the movable platen.

Abstract: In summary, therefore, this invention is directed to a thermal growth detector and compensator for detecting and compensating for relative movement between a work holder of a machine tool and a tool holder, that includes an elongated rod made of a material having a coefficient of thermal expansion of substantially zero that is attached at one end thereof to a part of a machine tool, and is attached at another end thereof to a part of a work holder on the machine tool.

Abstract: In a roll with a roll shell or jacket which is rotatable about a support or beam, the inner side of the rotatable roll shell or jacket is heated by means of an induction coil which is operated at high frequency and provided, for example, at a support element. The heating is effected directly at the press or work nip or in the proximity thereof without substantial loss of energy and without the use of a thermo-sensitive hydraulic medium.

Abstract: A method for fabricating a split compressor case for a gas turbine engine is described which comprises the steps of assembling the two axial sections of the split case along corresponding flanges of the sections with a flat shim disposed between corresponding flanges and machining this first assembly to preselected contour, determining the degree of ovalization of the first assembly at the engine operating temperature as a function of axial extent of the assembly, assembling the two axial sections with a pair of tapered shims each having thickness which varies along the length and width thereof in correspondence with the determination of ovalization of the first assembly as a function of axial extent whereby ovalization is substantially eliminated at the engine operating temperature in an assembly of the axial sections and tapered shims.

Abstract: A junction bolt for joining members by use of clamping nuts engaged with the junction bolt is provided with an axial inner hollow hole in which a piston member is located so as to define a space between the outer peripheral surface of the piston member and the inner wall of the junction bolt. The space is divided by a sealing member into a pressurizing space into which a pressurized fluid is introduced and a temperature adjusting space into which a heat medium is introduced. In the bolt clamping force adjusting method, the temperature of the junction bolt is first adjusted to a predetermined temperature and an extending amount of the junction bolt to be caused when an aimed clamping force is applied at this predetermined temperature.

Abstract: During treatment of a specimen (10) in an evacuated chamber, the temperature of the specimen is controlled by varying the radiant heat flux to and from the specimen. The specimen is supported adjacent to but spaced apart from a heat sink (14) with a blackened surface (16), and between the specimen (10) and the heat sink (14) are one or more reflective elements (20) movable so as to cover a larger or a smaller fraction of the surface of the heat sink.

Abstract: An improved insulated tubing string with insulated coupling formed of concentric tubing members insulated from each other to prevent heat from the inner tubing from being conducted to and through the outer tubing. The coupling joins the outer tubing of successive tubing assemblies to provide additional strength to the string and the inner tubing is insulated within the coupling to prevent heat loss at the coupling. The inner tubing is elongated during fabrication and joined to the outer tubing when elongated to reduce heat stress on the string when in use.

Abstract: A thermostatic fluid valve of the type having a temperature responsive power element mounted between upper and lower housing members. A tubular extension member is attached to the lower end of the power element and permits a spring biased valve member to be mounted thereon. The tubular extension member has an inwardly extending flange formed on the upper end and is received over a cylindrically shaped, cold formed boss projecting from the lower end of the power element. The extension member is retained on the lower end of the power element by orbitally staking the boss radially outward to form a cold worked, high strength retaining flange.

Abstract: A thermostatically controlled valve, of the type used in a cooling system of an internal combustion engine, has a temperature-responsive actuating member, for opening and closing the valve, in the form of a metal coil having shape memory effect such that its modulus of elasticity increases rapidly at a critical temperature. The actuating member is calibrated prior to assembly in the valve by heating the member to the critical temperature and reducing its length to that at which the valve will begin to open by cutting the member while preventing overheating.

Abstract: The invention relates to a commonly used type of casting device for coating webs with a single or a plurality of layers, comprising a casting block supported by brackets and comprising a plurality of shaped parts screwed together, in the casting block being rigidly fixed to a torsion-free hollow support and forming therewith a unit which is fixed to the brackets by a three-point bearing.

Abstract: A thermally sensitive actuator consists of a pressure cylinder comprising a tube, two end closure elements each secured to a respective end of the tube, a body of flowable material contained within the tube between the end closure elements, and a piston extending through a through-bore in one of the end closure elements and projecting into the body of flowable material. During assembly, the said body of flowable material is disposed within the tube between and abutting said end closure elements, while at least one of said end closure elements is not secured to the tube, so that said body of flowable material determines the distance apart of said end closure elements. The end closure elements are secured to the tube by displacing the peripheral edges of the ends of the latter inwardly.

Abstract: For a foundry ladle provided with a sliding gate valve to be removed from the ladle as a unit to permit replacement of worn-out refractory material, there is provided a process and apparatus for assembly of the sliding gate valve unit in upright position, while the parts of the sliding gate valve unit are subjected to heating.

Abstract: For filling and adjusting double-membrane cassettes acting as link members in piston metering pumps, the sealing surfaces of the membranes are first coated with a resilient pressure-deformable cement. The membrane cassette is introduced still unclosed into a thermostat where an adjustable, uniform pressure is applied to the upper membrane. The membrane cassette is then filled under an excess pressure of from 0.2 to 1 atm. and closed. After closing, the membranes of the cassette are brought into plane-parallel alignment in an evacuation unit.

Abstract: A method of establishing pipe systems for hot media, such as subterranean district heating pipe systems, comprising arranging a number of pipe lengths in continuity of each other with a certain spacing between the adjacent ends thereof, and interconnecting these ends by means of relatively short, axially easily compressible conductor elements such as tube bellows, whereafter the pipe lengths are axially expanded by sending a hot medium through the pipe system thus assembled, until the single pipe lengths, at a temperature below the expected maximum operational temperature of the system, have expanded sufficiently to cause the adjacent pipe length ends to abut against each other, whereafter these pipe length ends, by welding, bolting or otherwise, are joined rigidly to each other. Hereby the pipes may be anchored rigidly to their surroundings and be subjected to temperature variations without the lack of thermal movability of the pipes causing unpermissible stress in the pipes.