4449 results about "Screw cap" patented technology

A hair ingestion device and dust protector for a vacuum cleaner, and a combination of an end cap and a dowel assembly having a thread cap, wherein a set of arms extends from the thread cap for rotating with the dowel for deflecting threads to avoid contamination of the bearing assembly included in the dowel assembly. The thread cap also includes tapered vanes for cooperating with an end cap to form a dust shield.

In a first aspect the present invention provides a screw-capped tube for holding a liquid material therein, the tube having an open mouth at one end only which is adapted to be closed by the screw cap with an inner end of the screw cap extending into the open mouth of the tube, an opposing end of the cap to the inner end of the cap being provided with a circular cylindrical recess extending thereinto and whereof the cylindrical wall of the recess is free of splines, an outer circumferential surface of the cap being provided with a spline whereby the cap is adapted to co-operatively engage with a spline of a tool that will fit on to said opposite end of the cap for rotation of the cap by co-operative engagement of the spline of the tool with the spline of the cap. This arrangement increases versatility and ease in de-capping and re-capping of the tubes. Further aspects also assist with this and/or improve seal efficiency and help to avoid the need for O ring sealing for cryogenic uses and other uses.

There is provided a modular polyaxial pedicle screw assembly that includes various components which may be configured in various manners so as to provide different functionalities to the pedicle screw assembly. This advantageously decreases surgery time, reduces repetitive and tedious surgical steps, and allows for streamlining inventory of expensive medical equipment. In one embodiment, a pedicle screw assembly includes a pedicle screw, a rod holding element, a polyaxial insert, a rod, and a set screw. The pedicle screw includes a threaded shaft and a cap. The rod holding element includes a screw hole, an insert bearing area, a chamber, chamber walls, a saddle area, and a threading area. The insert is disposed within the chamber, and the insert defines a bearing surface, an upper surface, side walls and a receiving area. The insert is positioned within the chamber such that the insert bearing surface contacts the rod holding element insert bearing area; additionally the side walls of the insert can bear against the chamber walls. The pedicle screw is positioned so that the screw shaft passes through the screw hole of the rod holding element and the screw cap rests within the receiving area of the insert. The rod is disposed so as to rest on the upper surface of the insert; and the set screw, joined to the threading area of the rod holding element, secures the rod to the upper surface of the insert.

An improved, easy opening, screw-cap for threaded opening type containers is disclosed, consisting of a plastic or metal cap of generally cylindrical shape. Located along the upper section of the cap's outer circumferential surface are three, equally spaced, grasping protrusions, that extend radially outward from the radial center of the cap, so as to form a cap of a generally rounded, triangular configuration as seen from above. These grasping protrusions provide torsional, mechanical interference for the hand and it applies rotational force to screw on or off the cap. A series of vertically extending, gripping ribs, are equally spaced along the outer circumferential surface of the upper section of the cap, and are designed to make it easier to screw the cap on and off the neck of a conventional container, such as a bottle. Conventional internal screw threads are used on the internal cavity of the cap to attach the cap to the neck of a conventional container, such as a bottle.

The invention relates to a cutting-free fast tearing butt coupler and a butt joint piece, as well as a fabricated part formed by the cutting-free fast tearing butt coupler, a fabricated part formed by the cutting-free fast butt coupler, and butt joint structure between the fabricated parts, and the invention consists of a raising-pulling screw cap, a support-pulling screw cap and a fabricated part longitudinal bar which are positioned at the two ends of the fabricated parts, wherein the raising-pulling screw cap and the support-pulling screw cap have the internal thread structure, the internal thread is tearing screw thread, the center of the cap bottom is provided with a steel bar hole, the periphery of the steel bar hole is a steel bar upset head clamping table, the two ends of the fabricated part longitudinal bar are upset into the upset head which is clamped and connected on the upset head clamping table, a pressure spring is positioned inside the support-pulling screw cap, one end of the pressure spring is positioned on the steel bar upset head, the other end thereof is provided with a tapered sleeve formed by two or a plurality of pieces, a screw thread sleeve is rotatably connected inside the support-pulling screw cap and locates the displacement on the tampered sleeve, the tail part of a connection-peg is connected with the internal thread of the raising-pulling screw cap, and the head part of the connection-peg has the ball-lacking shape and is matched with the tampered sleeve in an elastic joint way.

A one-component seal and wadding system (1) for a screw-cap includes a seal (3) having lower layers (4,5) forming an induction heating sealable system for attaching the seal (3) to the neck of a container, a seal substrate (6) including a free tab (50) lying wholly within the circumference of the seal, a layer of liner (2), and an attachment element (10,11,12) including a release layer (11) for attaching the seal substrate (7) including the tab (50) to the wadding (2).

A twist closure for a container has a screw cap, which includes an inner cylinder and a cutting edge extending from the inner cylinder, and a supply container rotatably arrangeable on the inner cylinder. The supply container includes a supply container bottom and a pocket extending from the supply container bottom for accommodation of the cutting edge.

The invention discloses a bolt loosening monitoring method and an implementation device thereof. According to the method, a bolt loosening situation is determined by monitoring the tension of a screw; if the tension of the screw is lower than a safety threshold value, the bolt is determined to be loosening. A piezoelectric sensing element is arranged between a screw cap and a connected component, and is used for monitoring the change of the tension of the screw in a using process of the bolt, acquiring the feedback response signal under the change, comparing the feedback response signal with a preset safety threshold value, and analyzing to determine the bolt loosening situation; if the tension of the screw is lower than the safety threshold value, the bolt is determined to be loosening, and an early-warning signal is sent out. The bolt loosening monitoring device for implementing the method comprises the piezoelectric sensing element, a data acquisition element, data reading equipment, and a data management analysis and feedback alarm module. By the method and the device, the bolt loosening state can be examined remotely and quickly; the main body of the monitoring device can be detached and replaced; the original structure is little influenced; the method and the device are suitable for large structural bolt monitoring; the manpower and energy resources are saved; the cost and the operating cost are low.

The invention discloses a filling capping device comprising a rotary disk component, a filling component, a cap pressing component and a screw capping component. The rotary disk component comprises a rotary disk and a pneumatic division plate which is used for driving the rotary disk to intermittently rotate; the filling component comprises a liquid injection needle, a liquid feeding pipe and a liquid injection lifting cylinder for driving the liquid injection needle to move up and down; the cap pressing component comprises a storage barrel, a transverse push cylinder and a cap pressing cylinder for pushing downwards a bottle cap to be added pushed by the transverse push cylinder; and the screw capping component comprises a screw capping motor, a screw capping lifting cylinder for driving the screw capping motor to move up and down and a rotating sleeve arranged at the free end of the screw capping motor, and a screw capping core arranged in the rotating sleeve. The filling capping device has a simple structure and is low in equipment cost; as the rotary disk is adopted to convey bottles, the volume of the entire device is reduced and subsequently the occupied area of the device is reduced; the filling capping device can be used for teaching demonstration; and furthermore, the space utilization rate of a workshop is improved.

There is provided a modular pedicle screw assembly that includes various components which may be configured in various manners so as to provide different functionalities to the pedicle screw assembly. This advantageously decreases surgery time, reduces repetitive and tedious surgical steps, and allows for streamlining inventory of expensive medical equipment. In one embodiment, a pedicle screw assembly includes a pedicle screw, a rod holding element, an insert, a rod, and a set screw. The pedicle screw includes a threaded shaft and a cap. The rod holding element includes a screw hole, an insert bearing area, a chamber, chamber walls, a saddle area, and a threading area. The insert is disposed within the chamber, and the insert defines a bearing surface, an upper surface, side walls and a receiving area. The insert is positioned within the chamber such that the insert bearing surface contacts the rod holding element insert bearing area; additionally the side walls of the insert can bear against the chamber walls. The pedicle screw is positioned so that the screw shaft passes through the screw hold of the rod holding element and the screw cap rests within the receiving area of the insert. The rod is disposed so as to rest on the upper surface of the insert; and the set screw, joined to the threading area of the rod holding element, secures the rod to the upper surface of the insert. The insert may have a uniplanar configuration which allows movement of the insert, prior to final attachment, in a plane of motion. The insert may optionally have a monoaxial configuration which prevents movement of the insert.

The invention relates to a nozzle system for a delivery device for liquids, which comprises a nozzle and a device which fixes the nozzle in the delivery device. The device has a liquid reservoir from which a liquid is forced through a nozzle under pressure to deliver the liquid. The nozzle is secured by a holder on the delivery device. This holder may itself be secured by a second holder, e.g. in the form of a check nut, or the check nut itself may be the holder. According to the invention at least part of the outer surface of the holding device is micro- or nanostructured.

A double plug slip casting flower tube and construction process thereof, wherein the tube body of the slip casting flower tube is in cylindrical shape, the tube tip is conical, a slip casting hole isarranged on the tube wall,an one-way valve is arranged on the slip casting hole, a slip casting combination core member is inserted concentrically into the flower tube member, which mainly comprises slip casting core tube, front and rear rubber grout stopping plug, washer, connection pipe, top pipe and top pipe screw cap. The invention solves the problems existed in the conventional slip casting devices, such as, only backward type slip casting processes can be used, the slip casting scope control is not flexible, and the slip casting stress is not centralized.

The invention relates to a concrete multi-factor durability test device under the common effect of tensile stress and environment, wherein, the lower part of a pull rod (8) is connected with a lower pull plate (13), the upper part of the pull rod (8) penetrates an upper pull plate (7) and a limit plate (4), the upper pull plate (7) is penetrated on the pull rod (8) to be fixed by a lock nut (6), a screw cap (2) presses a stress sensor (3) on the limit plate by a spherical screw rod (1), a spring (5) is sheathed on the spherical screw rod (1) and is positioned between the limit plate and the upper pull plate, an upper stretching chuck (91) and a lower stretching chuck (92) are arranged between the upper pull plate and the lower pull plate (13), the upper stretching chuck (91) is connected with the spherical head part of the spherical screw rod (1), the lower stretching chuck (92) is connected with the spherical head part of a spherical pull rod (12), a dumbbell-shaped concrete sample (10) is positioned between the upper stretching chuck (91) and the lower stretching chuck (92), the dumbbell-shaped concrete sample is held by the stretching chucks, both sides of the dumbbell-shaped concrete sample (10) are provided with constant force holding instruments (11), and the constant force holding instruments are connected with a non-metallic ultrasonic testing instrument (14).

A cable assembly (100) includes a first connector (1) including a first insulating housing (10) extending in a lengthwise direction and a number of first and second contacts (11, 12) received in the first housing in a lateral direction perpendicular to the lengthwise direction, a cable (3) including a number of conductors (302, 304) electrically connecting with the first contacts, a second connector including a second housing (20) back to back assembled to the first housing and a number of third contacts (22) electrically connecting with the second contacts of the first connector, and a pair of screw caps (5). The first insulating housing defines a pair of fitting spaces (1073) extending in the lengthwise direction and a pair of mounting holes (1071) extending in the lateral direction and respectively communicating with the fitting spaces, and the pair of screw caps are respectively received in the fitting spaces in the lengthwise direction.

The invention discloses a high temperature fatigue test clamp for a metal thin wall equal-wall thickness tube, wherein, the test clamp is used for clamping the metal thin wall tube in a high temperature fatigue test. The clamp comprises a main shaft 1 which is provided with a taper-shaped clamp cover 11, a middle part worm segment 12 and a clamp segment 13; a lock sleeve 2 and a transition sleeve 3 are sheathed on the taper-shaped clamp cap 11 of the main shaft in sequence; a lock screw cap 5 is screwed on the middle part worm segment 12 of the main shaft; a clamp cushion cover 6 is sheathed with the main clamp segment 11 of the main shaft; and the taper-shaped clamp cover 11 of the main shaft and the clamp cushion cover 6 are both provided with elastic mechanisms with adjustable radial size. The invention can meet the combined fatigue test of pure torsion and shafting torsion of various scales of thin wall equal-wall thickness tubes under high temperature, has the advantages of simple structure, large specimen size adaptation range and prominent clamp function, and saves specimen material.

The invention provides a wing structure with a deformable section, which is powered by a shape-memory alloy spring.. The wing structure comprises, a front edge and a back edge, a composite material skin, a bearing frame, a driving mechanism and a redundancy structure of a shape-memory alloy spring driving; the driving mechanism and the redundancy structure of a shape-memory alloy spring driving are arranged on the bearing frame; the redundancy structure of a shape-memory alloy spring driving comprises a shape-memory alloy spring, a nylon casing, a nylon adjusting nut, a SMA spring fixing screw cap, a SMA spring fixing stud and a nylon push rod; the shape-memory alloy spring is arranged in the nylon casing through the SMA spring fixing screw cap and the SMA spring fixing stud; the nylon casing is fixed on the bearing frame through the matching with the nylon nut; the nylon push rod is connected with the SMA spring fixing stud. The invention has the characteristics of light quantity, miniature, reasonable structure, easy operation and high reliability, and can realize the enough driving force and driving displacement in limited space, and the like.

A closing device for a container having a bung-type lower part with a cylindrical pour spout. The cylindrical pour spout has a female thread in which a cylindrical piercing element that is open to both sides and that has a male thread is retained by a screw connection. A screw cap can be placed on the lower part. The screw cap has a driver that interacts with a driver in the piercing element. A fine-pitch thread is between the screw cap and the lower part and a coarse-pitch thread is between the lower part and the piercing element. The combined screw/translational motion of the piercing element and the selected threads produce a highly effective cutting motion.

A packaging system for improved management of cap inventory when different beverages, such as different types of milk (skim, 1%, 2% and whole) or water (spring, distilled, fortified, mineral etc.) are bottled in the same bottling lines at various facilities. The system includes maintaining a supply of standard caps, which may be free of colorants or pigments, and a supplies of reels of different colored (or differently printed) shrink sleeve material. The different types of beverage are bottled in containers that have a single standard cap and standard uniform bottles, and the different contents of said bottles are differentiated from one another by the application of colored (or distinctively printed) shrink sleeves or bands. The cap and/or the bottle neck are adapted to be engaged by the shrink band in a way that protects the bottle from being tampered with, and when threaded caps are used, helps prevent the inadvertent loosening of the caps during in shipment.

A cap dispensing chamber to hold powder and/or liquids in a contained unit with a line of weakening, including but not limited to for bottles, pouches, cartons, cans, drums, IV bags, syringes, and any other type of container that can hold a product. The body and the plunger fits snugly with one another allowing ingredients to be stored and activated by an individual when on a as needed basis. A dust cover for allowing RFID, Nano and barcodes that can be applied during or post manufacturing or any location on or in the invention A body can be molded with a screw cap, snap lid, click-in, or by itself that can ultimately fit on any type or style container.

A cable connector assembly (100) is assembled to a panel (300) defining a pair of insertion holes (32). The cable connector assembly includes a first housing (1), a number of first and second terminals (21, 22) assembled to the first housing, a cable (9), a second housing (7) assembled to the first housing, and a pair of fixing members. The first housing has a pair of mounting holes defined at opposite sides thereof. Each fixing member includes a screw (5) defining a screw recess (521) engageable with the insertion hole of the panel, and a screw cap (6) including a gasket (61) defining a through hole (611) engageable with the screw recess of the screw and a number of tabs (62) radially protruding from the gasket and resisting against the mounting hole.