41results about How to "Avoid irregular deformation" patented technology

Provided is a method for manufacturing a container containing a content fluid, including: a molding step of stretching a bottomed tubular preform that is heated to a temperature at which the preform is stretchable so as to form the container by means of pressure of the content fluid injected into the preform through a mouth portion; a sealing step of sealing the content fluid by fitting a cap body to the mouth portion; and a pressurizing step of increasing an inner pressure of the container, wherein the container includes an invertible deforming portion that is freely invertible and deformable toward an inside of the container, and in the pressurizing step, the inner pressure of the container is increased by reducing a volume of the container by inverting and deforming the invertible deforming portion toward the inside of the container.

A food loaf is advanced toward a cutting device by a feed apparatus and the loaf is cut into slices, strips or cubes by the cutting device such that the loaf is fixed during the feed movement by a vacuum gripper that is advanced together with the loaf and a negative pressure is generated within an interior of a contact element of the vacuum gripper and acts upon a fixing region of the surface of the loaf in a suction region of the contact element. In order to avoid a vacuum loss, it is proposed that the suction region is divided into at least two separate partial suction regions and the interior of the contact element is accordingly divided into at least two partial interiors, wherein the partial suction regions respectively adjoin one another, are separated from by a contact line and form separate partial fixing regions.

The present invention provides a dual-structure container in which contractility of an inner bag container is regulated and which effectively solves the problem that ejection of a content liquid becomes difficult as the content liquid is ejected. The present invention provides a dual-structure container which comprises an inner bag container 31 and an outer container 41 and which is obtained by simultaneous stretch blow molding according to a stack preform method using an inner bag container preform 1 and an outer container preform 3, the dual-structure container being characterized in that abarrel part 33 of the inner bag container 31 has contractility-regulating thin parts 50 extending in a band shape in an axial direction at a plurality of locations at intervals in a circumferential direction.

A PVC-O pipe radial stretching device and a processing method thereof belong to the field of PVC-O pipe processing equipment. It is characterized in that: the processing cylinder (4) is equipped with a heating device, a stretching mechanism (5) for radially stretching the PVC-O pipe body (7) and a compression mechanism for pressing the PVC-O pipe body (7) (6), the spreading mechanism (5) is axially installed in the processing cylinder (4), the pressing mechanism (6) is arranged on the processing cylinder (4), and the inner end passes through the processing cylinder (4) and is close to the spreading mechanism ( 5), the PVC‑O pipe body (7) is set between the expansion mechanism (5) and the compression mechanism (6). In the processing method, the pipe body stretching and the pipe body limit device are used at the same time, the PVC‑O pipe body is set between the expansion mechanism and the compression mechanism, and the compression mechanism cooperates with the expansion mechanism to force it to expand according to the expansion mechanism. The stretching direction of the mechanism uniformly stretches and expands, and the invention effectively ensures the overall uniformity of the radial stretching of the pipe body and ensures the use strength of the pipe.

The invention discloses an automatic U-shaped part truing device. The device comprises a workbench. A first gear and a second gear engaged with the first gear are rotationally connected to the workbench. A plectrum is arranged on the first gear. A transmission plate is rotationally connected to the workbench. The workbench is in sliding connection with a sliding plate used for pulling the transmission plate to rotate. The lower end of the transmission plate abuts against the plectrum tightly. A cam used for driving the sliding plate to slide is arranged on the workbench. A first oscillating bar and a second oscillating bar are arranged on the first gear and the second gear correspondingly. A first pressure claw and a second pressure claw are arranged at the lower ends of the first oscillating bar and the second oscillating bar correspondingly, and a reset pressure spring is arranged between the first oscillating bar and the second oscillating bar. A first limit plate used for abuttingagainst the first pressure claw tightly and a second limit plate used for abutting against the second pressure claw tightly are connected to the workbench in a sliding mode. The first limit plate andthe second limit plate are located in a gap between the first pressure claw and the second pressure claw. The automatic U-shaped part truing device can be used for improving the precision of U-shapedparts.

The invention discloses a grinding machine for high-strength titanium alloy production. The grinding machine structurally comprises a machine body, a controller, a transmission motor, a transmission shaft, a grinding disc, an adjusting disc and a containing plate. The grinding machine has the beneficial effects that through cooperation of an arranged stabilizing and protecting mechanism and a tightening structure, when a titanium alloy rod is ground, pressing acting force is provided while the gravity of the tail end force is unbalanced, the phenomenon of shaking unbalance cannot happen when the gravity of the tail end of the titanium alloy rod is small and the gravity of the front end of the titanium alloy rod is small, and the situation that the tail end of the titanium alloy rod irregularly deforms after being ground is prevented; and through cooperation of an arranged scraping strip and a grinding magnetic assembly of the tightening structure, heat generated during grinding of thetitanium alloy rod is converted into magnetism, the surface with the iron scrap adsorption function is magnetically weakened, grinding sand is removed and collected, and the situation that the thickness of the titanium alloy rod is increased while iron scraps attached to the surface are ground is avoided.

The invention provides a pressure adjusting assembly. The pressure adjusting assembly can solve the problem that an existing pressure adjusting assembly cannot effectively stabilize the pressure of engine oil in a main oil duct all the time. The pressure adjusting assembly comprises an adjusting threaded rod and a spring, wherein the adjusting threaded rod and the spring are installed in a pressure adjusting assembly section arranged at the tail end of the main oil duct, the adjusting threaded rod is connected with the inner wall of a slide way of the pressure adjusting assembly section in a threaded mode, and is tightly locked through a lock nut, a locating shaft of the adjusting threaded rod is sleeved with the spring, the bottom end of the spring is fixedly connected with the top surface of the adjusting threaded rod, the tail end of the pressure adjusting assembly section is sealed through an oil seal nut, and an oil drainage port is formed in the oil duct wall, close to the main oil duct, of the pressure adjusting assembly section. The pressure adjusting assembly is characterized in that an adjusting plunger is further installed in the pressure adjusting assembly section, a restraining groove is formed in the bottom end of the adjusting plunger, the top of the spring is embedded into the restraining groove, the top end of the spring is fixedly connected with the groove bottom surface of the restraining groove, the area of the top surface of the adjusting plunger is larger than the sectional area of the main oil duct, the height of the adjusting plunger is larger than that of the oil drainage port, and the adjusting plunger and the oil duct wall of the pressure adjusting assembly section are in clearance fit.

The invention relates to an optical coupling lens. The optical coupling lens comprises a coupling body and two plug pins, wherein the coupling body comprises a front surface, a back surface, a first optical surface, a second optical surface, a reflecting surface, a plurality of first converging parts and a plurality of second converging parts, wherein the front surface and the back surface are parallel to each other and are back to each other; the first optical surface is sunken from the front surface towards the back surface; the second optical surface is perpendicular to the first optical surface; the reflecting surface is inclined relative to the first optical surface and the second optical surface; the first converging parts and the second converging parts are respectively positioned on the first optical surface and the second optical surface. The first converging parts are positioned between the two plug pins and are in one-to-one correspondence with the second converging parts. Each plug pin comprises a cylindrical body part, a boss part which extends from the end surface of the body part, and a buffer part. The boss part is of a bowl-shaped structure and comprises a top surface which is far away from the body part; the diameter of the boss part is gradually reduced in the direction from the end surface to the top surface. The buffer part is arranged on the top surface so as to buffer the methane gas which is concentrated at the top surface when the optical coupling lens is formed.

A synthetic resin container with a bottom structure in which a bottom portion uniformly and mildly deforms responsive to a change in the internal pressure, and exhibits pressure reducing / absorbing capability to reliably cope with even a large change in the internal pressure. The synthetic resin container forms, in the bottom portion thereof, an outer circumferential wall that is continuing from the body portion, an annular leg portion inclusive of a grounding portion and an inner circumferential wall, and a raised bottom portion positioned over the grounding portion on the inside of the inner circumferential wall of the leg portion, wherein the raised bottom portion is protruding downward beyond the root portion where the leg portion is continuing to the inner circumferential wall, a plurality of arcuate protuberances are formed in a spiral shape heading from the outer edge of the central portion of the raised bottom portion toward the outer circumferential side, and arcuate dents are formed among the arcuate protuberances that are neighboring each other.