Abstract: Disclosed is a pressing device for compressingly joining pipe-shaped workpieces, particularly a pipe end and a fitting mounted thereon. At least one of the workpieces is plastically deformed by several press members which are movable along a central longitudinal axis of the workpieces for performing the compression. In order to produce a pressing device with several compression jaws that are comparatively easy to mount and allow the press members to be engaged as centrally as possible during compression, at least two press members are pivotally connected to each other by means of two articulated levers embodied as angle levers for applying compression force. The angle levers pressingly lean on a (first) press member, and both angle levers are train-connected to the same (second) press member.

Abstract: An apparatus for sealing a bag of encased material is described. A plurality of nozzles radiate from a central vacuum system, each nozzle associated with a clamping means. A framework rotates about the central vacuum system. A holding tray and an elevating device are removably attachable to the framework. The holding tray is attachable below a one of the plurality of nozzles and comprises an upright section and a projecting section. The upright section is supported by the framework at an acute angle from vertical, a top end of the upright section being adjacent to the framework and a bottom end of the upright section being remote from the framework. The projecting section is removably attachable to the bottom end of the upright section and projects approximately normal to the upright section. The elevating device is removably attachable to the framework below a one of the plurality of nozzles.

Abstract: A method of forming a double film layered continuous conduit is disclosed. The method includes applying at least one film of ribbon spirally around a former where at least half of each turn of ribbon overlaps the next turn of the ribbon, such that the leading and trailing edges overlap. A bead of molten plastic is then applied between the overlap.

Abstract: A display device which includes an elongate strip of sheet material having a plurality of product carrying pockets each pocket being provided with a pair of laterally spaced front sections in a plane substantially parallel to the plane of an adjacent rear section of the elongate strip, each front section being attached to the rear section at its upper edge respectively, by way of upper bridge portions, further attachment between a further section of the rear section and the front sections is provided by a lower bridge portion intermediate the front sections and which is attached adjacent the lower edges thereof.

Abstract: Rotationally symmetric self-pierce rivet (10) having a rivet head (14) and a rivet shank (12) provided with a centrical recess (16) closed by the rivet head (14), wherein the rivet shank (12) is having an outer contour which generally is following the course of an ellipse (18) externally lined up against the rivet shank the major axis (A) thereof basically extending parallel to the axis of the rivet (10).

Abstract: A Pseudo Low Volume Reticle (PLVR) which consists of multiple design layers on a single reticle. Specifically, the reticle can include two instances of each layer in order to facilitate die-to-die inspection techniques. A scribe is wrapped around each instance of the layer, such that both the frame and active area of the chip can be inspected with the die-to-die method. The chip consists of design data for a given part. The scribe, or frame, is preferably standard data across products which is used for yield and in line testing during the chip manufacturing process. Since only one chip and scribe unit is necessary to manufacture a device at each layer, it is only necessary that one chip and scribe instance yield during the reticle manufacturing process.

Abstract: A blind fastener (11) for installation in a thermoplastic workpiece, which blind fastener has a leading end face (21) which is substantially flat and non-abrasive and without drilling teeth, so that when the leading end face of the fastener is held in contact with the near face of the thermoplastic workpiece (22) and heat and pressure are applied to the contacted area of the workpiece by means of the leading end of the fastener, the fastener progressively forms a hole through the thermoplastic workpiece in which hole it can then be installed.

Abstract: The invention relates to a forehead rest for respiratory masks. An embodiment of the forehead rest comprises a deformable resilient member (300) comprising a top surface (302) and a base (303) connected by two side walls (304, 305), said top surface (302) being substantially thicker than said side walls (304, 305), said deformable member (300) evenly distributing the pressure on the forehead of a patient that contacts said deformable resilient member (300), wherein said side walls (304, 305) are capable of folding under compression.

Abstract: A rivet delivery apparatus and method which is configured to drop a rivet into a position such that the rivet can be threaded onto a guide wire and shot along the guide wire, such as to a rivet tool for broaching. Preferably, the rivet delivery apparatus includes a means to clamp the guide wire at two positions—a first position before a rivet is threaded onto the guide wire, and a second position after the rivet has been threaded onto the guide wire. Specifically, preferably the guide wire is clamped in a first position, and the rivet delivery apparatus includes a plate which shifts, causing a single rivet to fall in place for threading onto the guide wire. Then, the guide wire is unclamped, moved to the second position such that the rivet threads onto the guide wire, and the guide wire is clamped. Then, the rivet is shot along the guide wire, the guide wire is unclamped, moved to the first position, and clamped again so that a new rivet can be received and threaded onto the guide wire.

Abstract: An apparatus and system for loading items onto a rack is described.

Abstract: A device for measuring and isolating noise-creating imbalances in a paired telecommunications line has an internal circuit which comprises a balanced center tapped termination consisting of precisely equal resistor pairs. The circuit includes an adjustable sine wave burst generator which generates a low voltage longitudinal ac signal that is transmitted across the balanced pathways. A differential amplifier in the circuit measures this difference and displays it in units of noise or balance. The output of the differential amplifier is transmitted to an analog-to-digital converter. A microprocessor collects the samples in an array, and filters the results for presentation on a display. Advantageously, the microprocessor provides for adjustable and selectable bandpass filtering.

Abstract: A bolted joint which is formed by using a bolt having a tapered shoulder to cold form a deformable sleeve in order to provide a “zero-clearance” fit. Specifically, preferably a plurality of bolted joints are used to join a ring gear to a differential case. As the bolts are installed into the differential case and ring gear, tapered shoulders on the bolts dilate deformable sleeves until outer diameters of the sleeves contact internal walls of through holes in the differential case.

Abstract: A magnetic rivet retention system for a rivet gun, wherein a magnet is provided in a frame that is engageable with a powered handle. The magnet attracts a rivet and aligns the rivet relative to a punch and die of the rivet gun. The magnet is disposed in an internal chamber in a front bushing. The front bushing is threadably engaged with a back bushing, and both are disposed in a chamber which is provided in a C-frame. A compression spring is also disposed in the C-frame, thereby providing that the rivet gun is spring return.

Abstract: The “Ground Resistance Test” provides a circuit and test setup for measuring the resistance of earth grounds. The ground resistance test uses the central office battery from a working telephone pair to source current into the “Tested Ground”. First the quiescent voltage (Vo) on the Tested Ground with respect to a removable ground rod is measured and recorded. Then the ring side of a working pair is connected to the Tested Ground and the office battery draws current (I) from the Tested Ground. The voltage (Vi) on the Tested Ground with respect to the removable ground rod is again measured with dc current flowing. Voltage fall Vf is computed as (Vi?Vo). The ohms (R) of the Tested Ground is then displayed as R=Vf/I. In the event that central office battery is unavailable, the Ground Resistance Tester will provide an optional current rod and internal battery source.

Abstract: A rivetless nut plate has a nut, a holding bracket, a member and a nut retainer. The nut is provided with an aperture therethrough and is secured within a bracket portion of the holding bracket by the retainer but also is permitted limited movement within the bracket portion. The holding bracket further includes a tubular portion having inner and outer walls. The inner wall is tapered such that the member is positioned against the inner wall. Upon an axial force being applied to the member through the aperture of the nut, the member is pushed through the tubular portion from the first end to the second end in order to expand the inner wall and force the outer wall into engagement with the wall of the workpiece. A tool is provided to push the member through the tubular member and can be incorporated into either a manual or automatic process.

Abstract: A load control mechanism for use with a pull type tool (also called a riveter), wherein the mechanism includes a telescopic housing and a compressible element, such as a polyurethane compression spring, which works to limit the ultimate load which is applied by the pull type tool during operation, such as during removal of a rivetless nut plate from a hole in parent material. Also provided is a method of removing a rivetless nut plate by using a pulling head which includes a shock absorber and load limiting device, a resetion cup and a mandrel. The load control mechanism provides that a riveter can be used to safely remove a rivetless nut plate without causing damage or undue wear on components of the tool. This load control mechanism also absorbs operating shocks, protecting expensive work parts (ex: aircraft structure) and the operator during operation, resulting in a safe and ergonomic operation.

Abstract: Methods and apparati for fluorescence imaging using multiple excitation-emission pairs is revealed. A target object is illuminated by light in at least two spectral regions, causing fluorescence emission in at least two spectral regions. The emitted light is collected and separated for analysis.

Abstract: The present invention relates to a device for delivering a supply of gases to a patient. The device includes a patient interface and connecting member. The connecting member is preferably a L-shaped swivelled connector that is capable of being fixed into one of two positions, a first position where the connector is freely rotatable within the patient interface, and a second position where an interference between the interface and connector prevents the free rotation of the connector within the patient interface. The present invention further relates to a connector that has outlet means, which includes at least one outlet vent and a funnel, which in use directs and passes a substantial portion gases expired from the patient through the outlet vent or vents.