16 results about "Compressive pressure" patented technology

A polishing pad for chemical mechanical polishing includes a polishing layer and a secondary pad. The polishing layer has a polishing surface and a polishing layer interface surface opposite the polishing surface, and the polishing layer includes a polishing material. The secondary pad layer has a secondary pad interface surface adjacent the polishing layer interface surface and a bottom surface opposite the secondary pad interface surface, and the secondary pad layer includes a secondary pad material. The secondary cushion layer has an average compressive modulus of elasticity of 1 to 5 MPa at a pressure of 24 to less than 48 kPa and an average compressive modulus of elasticity of 5 to 20 MPa at a pressure of 48 to 76 kPa and a true strain of less than or equal to 10% at a compressive pressure of up to 1.2 MPa.

The utility model discloses a manual building block making device which comprises a rack and a cover plate, a mold is connected to the upper end of the rack and is of an open structure, a bottom plate of the mold is connected with the inner wall of the mold in an up-down sliding mode, a sliding block is located below the mold and connected with the rack in an up-down sliding mode, the upper end of the sliding block is fixedly connected with the bottom plate of the mold, and the lower end of the sliding block is hinged to a pressure rod. The rack comprises a rack body, and a discharging fulcrum is connected to the middle of the right side of the rack body. The pressure rod is of a hinged type folding structure and comprises a first connecting rod and a second connecting rod which are hinged, an unfolding limiting mechanism is arranged on the pressure rod, and a protruding pressing fulcrum is arranged on the folding side of the first connecting rod. The pressure rod is of a hinged type folding structure, the first connecting rod rotates clockwise, is pressed and folded to drive the bottom plate of the die to slide to compress materials, the pressure rod rotates clockwise, is unfolded and is kept in a stable state through the unfolding limiting mechanism, the pressure rod is matched with the discharging fulcrum, and the first connecting rod is pressed downwards to discharge materials.

A multifunctional elastic garment is disclosed that integrates compressive features, imaginative play elements, and optional digital interaction. The garment includes a body portion and at least one pair of closed-end pockets configured to receive the wearer's hands and forearms. Each pocket includes a flip-able edge to selectively cover or uncover the hands. Application of force within the pockets generates compressive pressure across the head, arms, and torso through stretchable fabric, without the use of straps or rigid elements. In certain embodiments, the garment may include graphic embellishments, detachable accessories, and sensor modules that are embedded or removably attached to monitor biometric, motion, or location data and wirelessly interface with external devices.

Provided is a method and apparatus for refining a ball joint stud. The method includes receiving and releasably securing the ball joint stud in a holder between a first die and a second die. The method further includes translating one or more of the first die and the second die towards the remaining die to apply a compression pressure to the ball joint stud. The compression pressure causes a plastic radial compression of the ball joint stud to a stroke length. The stroke length may be to induce a residual stress in the ball joint stud or increase a surface hardness of the ball joint stud. The first die and second die each include a contact surface configured to interface with the ball joint stud. The method may further include rotating one or more of the first die and the second die during the application of the compression pressure.

The application belongs to the technical field of internal blowout preventer performance detection, and particularly relates to a tensile-torsional pressure test device for internal blowout preventer and a method thereof. In view of the problem that the existing detection device cannot clean the seeped hydraulic oil, the following scheme is proposed, which comprises a bottom panel, four symmetrical stand columns are fixedly connected to the bottom panel, the same top plate is fixedly connected to the outside of the four stand columns, the same middle sliding plate is slidingly connected to the outside of the four stand columns, and a hole is formed in the middle sliding plate. The tensile-torsional pressure test device for internal blowout preventer and the method thereof can effectively clean the seeped hydraulic oil caused by the tensile-torsional pressure test on the fixed pipeline, so that the connection between the fixed pipeline and the check valve body can be kept clean, thereby reducing the interference factors of the check valve body detection and improving the accuracy and reliability of the detection result of the check valve body.

A sensing device for sensing a compressive pressure applied by a compression bandage or a compression garment comprises a flexible substrate for wearing beneath the compression bandage or the compression garment. The sensing device also comprises a compression sensor attached to the flexible substrate, the compression sensor comprising an input and an output and a signal path therebetween. The input and the output are arranged such that a sensor signal received by the output varies in dependence on a relative configuration of the input and the output and / or the signal path therebetween. Also, the input and the output are arranged such that their relative configuration varies in dependence on a compressive pressure applied to the compression sensor, the compressive pressure having a component perpendicular to the substrate.

The invention relates to the technical field of arc extinguishing devices, in particular to a pressure spring retaining device and a vacuum arc extinguishing chamber. The pressure spring retaining device comprises a contact finger seat and a screw which are used for being fixedly connected with a movable end conducting rod, a through hole for the screw to penetrate through is formed in the contact finger seat in the axial direction, one end of the screw penetrates through the through hole and forms a conducting rod connecting end used for being connected with the movable end conducting rod, and the other end of the screw is in threaded connection with a spring limiting rod. A pressure spring is sleeved outside the spring limiting rod, a gland used for compressing the pressure spring is installed at one end, far away from the contact finger seat, of the spring limiting rod in a guiding mode, a pull rod connector used for being connected with an insulating pull rod of the arc extinguish chamber is arranged on the gland, and a limiting structure used for limiting the gland is arranged on the outer side of the gland. According to the pressure spring retaining device, the pressure spring can be effectively prevented from being bent, observation is facilitated when the supporting cylinder is not installed, foreign matter can be found and cleaned in time, the structure is simple, and good application prospects are achieved.

Method of manufacturing a debondable structural solder joint (1) comprising a glass substrate (110) that is joined to a second substrate (222), wherein the method comprises the steps of: - providing the glass substrate (110), wherein said glass substrate is arranged with a layer of a metal-alloy based solder material that is deposited on a first section of a surface of the glass substrate, wherein said first section corresponds to only a section of the surface and wherein said layer of solder material is no thicker than 100 / lm; - providing a second substrate (222), said second substrate being a glass, ceramic or metal substrate; - providing a pre-formed interconnecting solder body (31) that is made from a metal-alloy based solder material, wherein one side of said pre-formed interconnecting solder body is arranged to be positioned onto the first section of the glass substrate; - arranging the glass substrate, pre-formed interconnecting solder body and second substrate in a predefined arrangement by positioning the one side of said pre-formed interconnecting solder body onto the layer of a metal-alloy based solder material deposited on the first section of the surface of the glass substrate, and positioning the second substrate onto another side of the pre-formed interconnecting solder body; - arranging an enclosure between the glass substrate and the second substrate and around the pre-formed interconnecting solder body; - providing heat and compressive pressure to the predefined arrangement for soldering said solder joint such that, after cooling, the pre-formed interconnecting solder body is bonded to the second substrate and is bonded to the layer of metal-alloy based solder material that is deposited on the first section of a surface of the glass substrate.

The invention relates to the technical field of building design, in particular to a building design planning surveying and mapping tool and a method thereof.The building design planning surveying and mapping tool comprises a supporting frame, a supporting plate is arranged at the top of the supporting frame, a stroke groove is formed in the bottom of the supporting plate, and a stroke column is arranged on the surface of the stroke groove; the bottom of the stroke column is fixedly connected with the top of the supporting frame, a connecting piece is arranged on the outer side of the stroke column, and a protruding rod, a friction rod and a first torsional spring in the pasting mechanism are combined, so that the contact pressure can be adjusted according to the wall roughness and the friction coefficient; the friction rod moves towards the right side under the friction force and the resistance of the first torsional spring, extrusion force is applied to the extrusion ring through the insertion rod, the pushing spring is compressed, the pressure is increased, and on the contrary, when facing a smooth low-friction wall face (such as tiles and glass), the friction rod deforms through the first torsional spring, the pushing spring is not compressed, and the pressure is stable.

The invention belongs to the technical field of inner blowout prevention tool performance detection, particularly relates to an inner blowout prevention tool tension-torsion pressure test device and a method thereof, and aims at solving the problem that an existing detection device cannot clean leaked hydraulic oil, and provides the following scheme that the inner blowout prevention tool tension-torsion pressure test device comprises a bottom panel, and four symmetrical stand columns are fixedly connected to the bottom panel; the exteriors of the four stand columns are fixedly connected with the same top plate, the exteriors of the four stand columns are slidably connected with the same middle sliding plate, and a hole opening is formed in the middle sliding plate. According to the internal blowout prevention tool tension-torsion pressure test device and method, hydraulic oil permeation caused by a tension-torsion pressure test on a fixed pipeline can be effectively cleaned, so that the joint of the fixed pipeline and a check valve body can be kept clean, interference factors on check valve body detection are reduced, and the detection accuracy is improved. And the accuracy and the credibility of the detection result of the check valve body are improved.

The invention discloses an anti-explosion valve and a pressure relief method, and belongs to the technical field of valves, the anti-explosion valve comprises a valve seat, a valve disc assembly, a supporting assembly and a flame retardant device assembly, and the valve seat is provided with a relief hole; the valve disc assembly is arranged on one side of the valve seat and comprises a first disc body part, a second disc body part and a connecting part. Through the first disc body part and the second disc body part which are arranged in a spaced mode, the first disc body part covers and seals the discharge hole, the second disc body part is connected with the first disc body part through the connecting part, the elastic part abuts against the second disc body part, and the second disc body part transmits extrusion force to the first disc body part through the connecting part; the elastic part does not need to be directly connected with the first disc body part, so that the influence of high temperature on the first disc body part on the elastic part is reduced, the performance of the elastic part is guaranteed, and the explosion-proof valve has stable explosion pressure. When the discharge hole is opened and the airflow is discharged outwards through the flame-retardant device assembly, flame extinguishing treatment can be carried out on the airflow through the flame-retardant device assembly.

The utility model relates to metal separator technical field especially is a kind of PLC metal separator, including separator base, metal detector, conveying mechanism, distributing mechanism, box positioning assembly, material guiding assembly, material receiving box assembly and object loading amount detection assembly, the upside of separator base is equipped with box positioning assembly, in the utility model, through the locking block, locking plate, sliding block, sliding shell, pressure sensor and force spring being set, the device can be locked by movable locking block cooperation locking plate with material receiving box body, movable sliding block drives sliding shell to move forward, if sliding shell is obstructed by material, then force spring is compressed, pressure sensor can measure pressure change, it can be known that material receiving box body has been filled with material, the device does not need staff to pay attention to the state of material receiving box in processing site, and this mode is more time-saving and labor-saving.

Electric Rotation and Sliding Mechanism for a Child Safety Seat. The invention relates to an electric rotation and sliding mechanism for a child safety seat, comprising a first worm gear and a gear disc. The first worm gear is located inside the seat base (1) and engages with the gear disc. The first worm gear drives the rotation of the gear disc, allowing infinite adjustment of the rotation angle, and locks the mechanism once the adjustment is complete. The gear disc is inclined relative to the first worm gear. Thanks to this inclined design, there is no mutual compressive pressure between the gear disc and the first worm gear, thus reducing the engagement pressure at the connection point and, consequently, minimizing wear. Figure to be published with the abstract: Figure 1

Disclosed is an assembly comprising at least one cell comprising an exterior surface; a bag with an interior surface and an exterior surface, wherein the bag surrounds the at least one cell; an inert gas filling a space between the interior surface of the bag and the exterior surface of the at least one cell; and a casing surrounding the bag, wherein the bag exerts a compressive pressure, via the inert gas, on the at least one cell.

A polishing pad for chemical mechanical polishing comprises a polishing layer and a subpad. The polishing layer has a polishing surface and a polishing layer interface surface opposite the polishing surface and comprises a polishing material. The subpad layer has a subpad interface surface adjacent to the polishing layer interface surface and a bottom surface opposite the subpad interface surface, and comprises a subpad material. The subpad layer has an average elastic modulus under compression at pressures of from 24 to less than 48 kPa of 1 to 5 MPa and an average elastic modulus under compression at pressures of 48 to 76 kPa of 5 to 20 MPa and a true strain of less than or equal to 10% over compression pressures of up to 1.2 MPa.