Abstract: A rotor for a tablet press including an upper-ram receptacle for the upper rams and a lower-ram guide for the lower rams of the tablet press, as well as a retainer plate having a series of die-bores which are oriented towards the upper and lower rams wherein the retainer plate is composed of at least two ring segments which are adapted to be mounted non-positively and/or positively to the body of the lower-ram guide by means of a fixing device.

Abstract: A quick clamping device includes a main body adapted to be mounted on a mold holder, a clamp piece including first and second arm sections and pivoted to the main body between the first and second arm sections, a wedge body mounted movably on the main body below the second arm section, and a driving unit connected to the wedge body. The first arm section has a press end adapted to clamp a mold unit against the mold holder. The wedge body is movable between a first position, in which the wedge body lifts the second arm section so as to move downward the press end toward the mold unit, and a second position, in which the wedge body moves away from the first position.

Abstract: A forming metal mold for molding synthetic resin includes a base mold (4), a first forming mold (5) secured to the base mold (4) and having a molding recess (9), and a second forming mold (6) secured to the base mold (4) as it is combined with the first forming mold (5). The first forming mold (5) includes a transfer surface (9a) within the molding recess (9) in continuation to its opening edge for providing decoration to a molded product (17) on transcription to the surface of the molded product (17). The second forming mold (6) includes a charged opening (11) defining a cavity (14) along with the molding recess (9) and into which is charged a molding material. In this forming metal mold, the molding material is charged into the cavity (14) to transfer a pattern formed on the transfer surface (9a) to the molded article.

Abstract: The invention relates to a mold for the manufacture of curved insulating panels, which comprises an upper half-mold (2) and a lower half-mold (3) opposite each other. The structure of both said half-molds is formed by a respective chain of modular frames (5) hinged together and having a pyramidal or similar shape, which are connected at their tips by actuators. These actuators, when they are operated, vary their length and cause the frames to rotate with respect to each other, thereby curving the surface of the half-molds acting on the panels to be manufactured. In this way it is possible to produce panels with various radii of curvature using a single mold. The invention also includes a press for use with the abovementioned mold.

Abstract: The present invention provides a molding machine and a mold assembly having a quick change volume control insert. The volume control insert can be changed without disassembly of the mold or use of special tools. The molding machine includes a mold, a mold insert, a locking member, and a release member. The mold insert is received in one of the mold halves and further includes a mold detail defining a portion of the mold cavity, and a retention member. A locking member engages the retention member when the mold detail is received within the mold half. The release member, accessible from the exterior of the mold half, and is adapted to disengage the locking member from the retention member, allowing the mold detail to be removed.

Abstract: A composition comprising, by weight, the total being 100%: a semi-crystalline polyamide (A); 5 to 40% of an amorphous polyamide (B) which results from the condensation: of (B1) at least one cycloaliphatic diamine or aliphatic diamine, with at least one cycloaliphatic diacid or aliphatic diacid, at least one of the diamine or diacid units being cycloaliphatic, or (B2) of a cycloaliphatic ?,?-aminocarboxylic acid, or (B3) of a combination of (B1), and (B2), and optionally at least one of (B1), (B2) and (B) being condensed with at least one monomer selected from the group consisting of a ?,?-aminocarboxylic acid or the corresponding lactam, an aliphatic diacid, and an aliphatic diamine; 0 to 40% of a supple polyamide (C) selected from the group consisting of (C1) copolymers containing polyamide blocks and polyether blocks, and (C2) copolyamides; 0 to 20% of a compatabilizer (D) for (A) and (B); 0 to 40% of a supple modifier (M); with the condition that (C)+(D)+(M) is between 0 and 50%, the remainder to 100% b

Abstract: A molding apparatus for lenses includes first and second molding units, each of which has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a clamp unit provided within the mold core holder. The mold core holder has an abutment surface, and a plurality of cavities extending inwardly from the abutment surface and receiving respectively the mold cores. The cavities include cavity walls, respectively. The clamp unit includes a plurality of clamp elements attached to the clamp unit to clamp respectively the mold cores against the cavity walls. Individual removal of the mold cores of the molding units for replacement is permitted by operating the clamp elements.

Abstract: This invention relates to an extraction device for removing a stuck cast part from a stationary mold of a casting apparatus. The extraction member is disposed in the stationary mold section during the casting of a cast part and is disposed adjacent a part shape cavity. The extraction device is moveable between a first position, wherein the extraction member cooperates with the mold sections of the casting apparatus to form a part of the part shape cavity, and a second position, wherein said extraction member is operative to engage and eject the stuck cast part from the part shape cavity.

Abstract: A top block assembly for a container blow mold system is provided together with a method of positioning the neck finish components of the assembly with respect to the front face of a top block half. A method and assembly for positioning a top block half with respect to a main mold half is further provided. The assembly for positioning the neck finish components includes a feeler gauge or spacer that is removably positioned between the top block half and the rear surfaces of the neck finish components. The positions of the neck finish components with respect to the front face of the top block half are adjusted by positioning a feeler gauge between the top block half and neck finish components. A heel is movably mounted to the top block half. A cam having flat surfaces is rotatably mounted to the top block half and engageable with the heel.

Abstract: A removable marking device for mold consists of a substantially cylindrical outer member, an indicator can be rotated around axis line of outer member, a mark portion that is formed on upper surface of outer member and said indicator, wherein in said indicator, plural positioning projection portions protruding in radial direction of indicator is located, positioning projection portion consists of a positioning spring buried in indicator and an insert portion located in a tip of positioning spring, in inner wall of outer member, a positioning groove extending axis direction of outer member is formed at even intervals along circumferential direction of middle bore portion, in plural positioning projection portions, when at least one positioning projection portion is inserted in positioning groove, other positioning projection portion touches in inner wall of outer member in positioning groove.

Abstract: A blow mold (1) for a stretching machine or a glass blowing machine, comprising two mold halves (3, 4) which are pivotably connected by at least one connecting pin (2), and a shutting device and locking device in the form of a closing clamp (7) which can be slid directly onto the mold halves (3, 4) from the side of the connecting pin (2). The mold halves (3, 4) are closed around the connecting pin (2) by the sliding, pressing contact of the closing clamp (7) and in the closed position, are pressed against each other without a gap, resulting in a mechanically simple, space-saving blow mold (1).

Abstract: A mold assembly for forming a container has two modular mold half shells that are adapted to be surrounded by mold half carriers. Each modular mold half shell has an upper body mold section and at least one lower body mold section. The upper body mold sections of the mold half shells are releasably secured in vertical registry with the mold half carriers. The upper body mold sections have upper inner walls defining an upper cavity whose shape corresponds to an upper portion of the container to be formed. The modular mold half shell have at least one lower body mold section and preferably multiple interchangeable lower body mold sections that are releasably secured with the upper body mold section. The lower body mold sections have lower inner walls defining a lower cavity whose shape corresponds to a lower portion of the container to be formed.

Abstract: The present invention comprises a mold having a wall with a recess defined therein and magnetic means, wherein an associated insert is adapted to be selectively held within the recess via the magnetic means, such that the insert is substantially flush with the wall. Using the magnetic inserts in both the upper and lower mold halves results in a tire identification number being imprinted on both sides of a tire during a curing cycle. The inserts are easily and quickly changed so that down time during production is minimized, tire appearance is improved, and eliminates tire scrap.

Abstract: A mold tool clamping device (30) for a blow mold comprising two mold halves (13 and 13). For fixing of the rear blow mold half to the clamp plate associated therewith, there is provided at least two wedge locks or cam locks, which are provided in a symmetric arrangement relative to the “vertical” transverse central plane of the rear mold tool, which are clampable with wedges, which, supported on the back side of the clamp plate, transverse to the longitudinal axis of the clamp bolts, are drivable into their anchor groove of anchor keyways, wherein these wedge locks are so arranged, that the wedges are drivable “from the side” into their clamp position in designed “grooves” of the clamp bolts complimentary thereto. This makes possible a rapid and positionally accurate securing of the rear mold half to its rear clamp plate.

Abstract: An air cooled or heated blow mold is shown having a mold cavity shell and a mold holder. The mold cavity shell is made by a process of nickel vapour deposition and so requires no hand finishing or polishing. The mold cavity shell has a cavity portion with a front face defining a cavity in the shape of a portion of a product to be molded. The mold holder is located rearwardly of the mold cavity shell and defines an inner wall spaced from the mold cavity shell cavity portion to define a heat transfer passage between the inner wall and the cavity portion. In use, air is passed through the heat transfer passage to transfer heat to or from the mold cavity shell.

Abstract: A blow molding mold has first and second fixtures. The first fixture includes drive means, typically in the form of pins, while the second mold fixture has drive receiving means, typically in the form of holes. When the second mold fixture is in registration with the first mold fixture, the drive means are extended to lock and locate the two fixtures together to enable blow molding without a blow molding press. The method of blow molding uses a robotic arm to move a lightweight second mold fixture to accept a parison as it is extruded. After extrusion the arm moves the second fixture toward the first fixture so that the fixtures can be located and locked together. A single robot using a single extrusion head can serve several mold stations depending upon cycle times.

Abstract: It is a method of manufacturing a pneumatic tire provided with a bead guard having an excellent appearance without forming spews and bare, wherein when a pneumatic tire (1) provided with a bead guard (5) of a trapezoidal shape at section is vulcanization-shaped in a split type mold (11) comprising a pair of annular side rings (13) and many divided segments (12) for the formation of a tread portion integrally united and engaged therewith, an edge (13-1 SE, 13-2iSE) of a dividing face (13-1S, 13-2iS) between mutually adjoining side ring pieces (13-1, 13-2) formed by annularly dividing a side ring (13) inward and outward in a radial direction with respect to a center axis line of the split type mold (11) and located at a side of a tire shaping face is positioned in a place corresponding to a depressing portion (15) forming a bead guard (5).

Abstract: A modular forming system (10) configured for forming concrete box culverts (C1) and (C2) is disclosed. The inventive forming system enables a strong and secure system that is relatively easier and more efficient to assemble. The system (10) broadly includes a pallet (12), a core (14), a jacket (16), and a header (18). The pallet (12) is operable to mold the ribbed face (F2) of the culverts. The core (14) is encircled by the pallet (12) and is operable to mold the inner circumferential surface (ICS) of the culverts. The jacket (16) is supported on the pallet (12) and is operable to mold the outside circumferential surface (OCS) of the culverts. The header (18) encircles the core (14) and is operable to slide between the core (14) and the jacket (16) to mold the non-ribbed face (F1) of the culverts.

Abstract: An apparatus for supporting a mold (100) in a press comprising a clamping plate (114, 116) comprising a wedge (172-175) and a support bracket (142-145) comprising a wedge receptacle. The wedge and the wedge receptacle act to direct the mold towards the face and vertical center f a press platen (122, 124).

Abstract: A mold assembly for forming a container has two modular mold half shells that are adapted to be surrounded by mold half carriers. Each modular mold half shell has an upper body mold section and at least one lower body mold section. The upper body mold sections of the mold half shells are releasably secured in vertical registry with the mold half carriers. The upper body mold sections have upper inner walls defining an upper cavity whose shape corresponds to an upper portion of the container to be formed. The modular mold half shell have at least one lower body mold section and preferably multiple interchangeable lower body mold sections that are releasably secured with the upper body mold section. The lower body mold sections have lower inner walls defining a lower cavity whose shape corresponds to a lower portion of the container to be formed.

Abstract: Shaping tool for the polymerisation of profiled parts (P) made of a composite material, comprising a mould (10) formed of several unconnected elements (14, 16), a flexible and leak tight bladder (24) capable of pushing a part blank into contact with the walls of a cavity (12) formed in the mould (10), and devices (36) such as flexible walls or the leak tight bladders capable of holding elements (14, 16) of the mould (10) in contact with each other. The result is a part (P) with outside surfaces free of geometric and dimensional defects.

Abstract: A thermoforming machine for manufacturing triple sheet thermoplastic articles is disclosed. The thermoforming machine comprises three controllable ovens for heating three sheets to a heat deformable temperature, three shape giving molds for separately thermoforming each sheet in succession, and forging-like means to compress the three thermoformed sheets into a unitary article. The three sheets are thermoformed and compressed together in a form station comprising upper and lower platens. Acting with the upper platen is a mold shuttle system for moving two of three molds into position relative the thermoforming and forging-like operations of the apparatus.

Abstract: The invention relates to a process for the production of a clamping means for clamping a component (20) in a holder (16), especially for the production of moulding tools for the manufacture of precision articles. Spring-action clamping elements (72), for example tightening discs or clamping sleeves (72), are inserted into a recess of the holder (16) and final working thereof takes place in a position that corresponds to the subsequent position when the component (20) to be clamped is clamped. With this process, very good centricity and coaxiality of the clamped components (20) is achieved, whereby the manufacturing tolerances to be maintained for the individual components are not critical.

Abstract: A molding assembly, that includes: a plurality of support pillars fixedly attached to a support structure, wherein each support pillar includes a recessed seat; a mold support member, and; a flexible ring for holding a mold in contact with the mold support member, wherein the flexible ring, while holding the mold, rests upon the recessed seat of the support pillar.

Abstract: A compression molding apparatus including a top mold base, a top mold insert removably mounted in the top mold base, a bottom mold base, and a bottom mold insert removably mounted in the bottom mold base. The top and the bottom mold bases are pressed together to compress a molding material inserted between the top and the bottom mold inserts to compression mold a desired part. The top and bottom mold inserts are removed and replaced with different top and bottom mold inserts to compression mold a different part.

Abstract: Apparatus (26) and a method for forming heated glass sheets in a heated chamber (22) of a housing (20) includes an upper mold support assembly (28) for supporting an upper mold (38) within the heated chamber for cyclical vertical movement between upper and lower positions. A lower mold shuttle (50) supports a lower mold (36) for cyclical movement between an idle position horizontally spaced from the upper mold and a use position below the lower mold. The apparatus also includes a lower mold support assembly (60) to which the lower mold is cyclically transferred from the lower mold shuttle (50) to provide support thereof while permitting horizontal alignment with the upper mold upon each cycle of downward movement to form a heated glass sheet between the molds. The lower mold shuttle (50) is supported by vertically movable rollers (70) to provide the transfer between the lower mold shuttle and the lower mold support assembly (60).

Abstract: The device is used for blow molding containers of a thermoplastic material and has at least one blow station with at least one blow mold. The blow mold is comprised of at least two blow mold segments held by supports. At least one of the blow mold segments is arranged such that it can slide relative to its support. The support is equipped with at least two guide elements for the movable blow mold segment. The guide element has a hard core that is connected to the blow mold segment. In addition, the core is embedded, at least in part, in an elastomer that is carried by the support. A circumferential seal made of an elastomer is provided in order to make available an area of pressure action in order to support pneumatic positioning of the blow mold segment; this seal has a seal lip that makes area contact with the support when pressure is applied.

Abstract: A method and apparatus for producing an extruded product includes a machine that cooperates with an extruder. The machine is commonly used as a corrugator and the extruded product is often corrugated piping. The machine has a frame supporting a trackway in a continuous path. A plurality of mold block assemblies travel about the continuous path to form a mold tunnel along a portion of the continuous path. The mold block assemblies include a carriage connected by at least one guide and linear bearings to a pair of mold holders. The mold holders are connected to at least one pair of opposing mold blocks. Guides and directors position the mold block pairs relative to one another while the assemblies travel along the continuous path. As the holders, and thus the mold block halves, are linearly displaceable from one another, the halves may meet to form the mold tunnel and separate to allow removal of the extruded product.

Abstract: A new plastic tandem extrusion sizer mold. The mold includes an inlet plate, middle plates and an outlet plate which are connected with each other in series by columniform pin, and then side baffles are added to mount on a base with the aid of bolts. A rectangular inlet plate, middle plates and outlet plate, which constitute a cavity of different shape, are placed upright and connected together in sequence and in series. Compared with the conventional sizer mold, the present sizer mold gets over the limitations of cavity parting, machining deep holes, cutting gas slots, trivial design and complex manufacture process, and has a shortened design period and simplified technological process, and can be manufactured rapidly.

Abstract: The present invention comprises a mold having a wall with a recess defined therein and magnetic means, wherein an associated insert is adapted to be selectively held within the recess via the magnetic means, such that the insert is substantially flush with the wall. Using the magnetic inserts in both the upper and lower mold halves results in a tire identification number being imprinted on both sides of a tire during a curing cycle. The inserts are easily and quickly changed so that down time during production is minimized, tire appearance is improved, and eliminates tire scrap.

Abstract: Mold blocks and methods for thermoforming corrugated plastic pipe that provide a uniform vacuum on the internal lateral surface and optimize forced convective cooling on exterior surface is disclosed. Mating mold blocks have an interior surface with transverse corrugations and an exterior lateral surface having transverse channels containing radial slots that intersect circular slits formed in the interior mold surface. The channels are fitted with a dual cover arrangement that serves to provide (1) a low-resistance vacuum path to the slits located on the interior surface and (2) a forced convective heat transfer path to cool the mold blocks. The cover arrangement is removable, providing a convenient means of inspecting, maintaining and modifying the mold blocks.

Abstract: A quick change blow mold shell assembly is disclosed. The blow mold shell assembly includes a carrier plate and a blow mold half shell for being fastened to the carrier plate. A first slotted opening is defined in an edge of the carrier plate, and a corresponding second slotted opening is defined in an edge of the blow mold half shell. The first and second openings are placed in registry with one another as the shell is positioned on its carrier plate. A fastener clip is also provided, the clip being sized and shaped to be received in each one of the respective openings, and being constructed and arranged to align the first and second openings with respect to one another, to draw the shell snugly against the carrier plate, and to fasten the shell to its carrier plate as a fastener is passed through the clip and into the carrier plate.

Abstract: A molding apparatus which is used in a continuous molding operation includes an endless looped track, track carriers which are moved around the track to and from a product shaping mold region and a transfer system for replacement of mold block members used in the apparatus. The transfer system, which operates without interrupting the molding operation includes transfer carriers controlled to move synchronized with the track carriers at a transfer location remote from the mold region and actuators which slide the mold block members between the track carriers and the transfer carriers at the transfer location when the transfer carriers are synchronized with the track carriers.

Abstract: There is described an apparatus (10) which is provided for the production of tubes with a transversely profiled wall. The apparatus (10) has shaping halves (16, 30) which move along two paths (14) closed in themselves and form a common shaping section (18) and two return sections (20). Provided at each of the two return sections (20) is a respective turning device (26) at which two shaping halves (16, 30) are disposed by means of a holding and release device (32). The one shaping half (30) has a socket contour in order to be able to produce transversely profiled tubes with sockets, with the apparatus (10).

Abstract: A method and apparatus for curing large radial pneumatic tires using a plurality of like molds each having top and bottom mold sections provided with radially movable groove-defining tread segments which are automatically extended into a tire to be cured when the molds are positioned within an autoclave and which are automatically retracted when the molds are withdrawn from the autoclave to free the cured tire from its respective mold.

Abstract: A quick change blow mold shell assembly is disclosed. The blow mold shell assembly includes a carrier plate and a blow mold half shell for being fastened to the carrier plate. A first slotted opening is defined in an edge of the carrier plate, and a corresponding second slotted opening is defined in an edge of the blow mold half shell. The first and second openings are placed in registry with one another as the shell is positioned on its carrier plate. A fastener clip is also provided, the clip being sized and shaped to be received in each one of the respective openings, and being constructed and arranged to align the first and second openings with respect to one another, to draw the shell snuggly against the carrier plate, and to fasten the shell to its carrier plate as a fastener is passed through the clip and into the carrier plate.

Abstract: A top block assembly for a container blow mold system is provided together with a method of positioning the neck finish components of the assembly with respect to the front face of a top block half. A method and assembly for positioning a top block half with respect to a main mold half is further provided. The assembly for positioning the neck finish components includes a feeler gauge or spacer that is removably positioned between the top block half and the rear surfaces of the neck finish components. A recess may be provided in the top block half to accommodate the feeler gauge. The positions of the neck finish components with respect to the front face of the top block half are adjusted by positioning a feeler gauge between the top block half and neck finish components. The feeler gauge can be replaced with a second feeler gauge of different thickness in order to change the relative positions of the neck finish components and top block half whenever necessary. A heel is movably mounted to the top block half.

Abstract: A process for making molds for retroreflective sheeting and like articles includes making a substrate having a structured surface of geometric structures such as cube corner elements. The structured surface is in one embodiment partially replicated from a previous generation structured surface, and partially machined in the substrate. At least one of the faces of the structured surface is a compound face that has one machined portion and one non-machined portion, such as a replicated portion. The process can be used to manufacture substrates with desirable geometry cube corner elements, such as cube corner elements having a hexagonal outline in plan view, without requiring the use of pin bundling techniques or laminae. The process can also be used to manufacture articles having cube corner elements in which at least one face of the cube corner element has two constituent faces disposed on opposed sides of a transition line that is nonparallel to a nondihedral edge of such cube corner element.

Abstract: A quick change blow mold shell assembly is disclosed. The blow mold shell assembly includes a carrier plate and a blow mold half shell for being fastened to the carrier plate. A first slotted opening is defined in an edge of the carrier plate, and a corresponding second slotted opening is defined in an edge of the blow mold half shell. The first and second openings are placed in registry with one another as the shell is positioned on its carrier plate. A fastener clip is also provided, the clip being sized and shaped to be received in each one of the respective openings, and being constructed and arranged to align the first and second openings with respect to one another, to draw the shell snuggly against the carrier plate, and to fasten the shell to its carrier plate as a fastener is passed through the clip and into the carrier plate.

Abstract: The invention relates to a mould container for an apparatus for manufacturing green bricks from clay for the brick manufacturing industry, wherein mould containers are arranged on a circulating conveyor, which mould containers comprise a number of mould cavities open to the top, wherein the mould container comprises a fixed mould container part with mould cavities and an exchangeable mould container part such that green bricks of differing dimensions can be made simultaneously.

Abstract: A mold base system for injection molding machines comprises two cast mold bases each with interior lugs. The lugs of each mold base removeably hold an insert. The inserts are machined to define a cavity that is the negative of the part to be molded. The inserts can be changed to suit different parts without changing the mold bases, which can stay on the injection molding machine indefinitely. Ribs connect the lugs to the mold base outside walls. Two ribs and an outside wall define a pocket that provides access to an insert. The ribs are notched to enable coolant lines to be routed without interference inside the mold base. The mold base system further comprises an ejector plate and a cap. The cap is changeable to suit different configurations of the ejector pins without changing the ejector plate.

Abstract: A thermoformed mold is supported by a quick change tooling system including a pair of parallel spaced elongated channel members each defining an open bottom cavity for receiving in precision alignment an elongated rail member secured to a supporting press platen. Each channel member is releasably locked to its rail member by a pair of couplers each including a stud projecting downwardly in the channel member and received within a corresponding cylinder within the rail member. The cylinder has locking balls which releasably grip the stud in response to axial movement of a fluid actuated spring biased piston surrounding the cylinder.

Abstract: The thermoforming press has a frame, a forming die assembly affixed to the frame, a mold-supporting table suspended to the frame under the forming die assembly, and a pair of molds mounted side by side on the mold-supporting table. A drive system is provided for imparting a pendulum movement to the mold-supporting table for alternately registering one of the molds with the forming die assembly while the other mold is positioned at a part retrieving station. The part retrieving and stacking mechanism has horizontal and angular displacements only as the vertical component of the retrieving motion is provided by the pendulum system. Spring discs are mounted between the forming die assembly and the press platen to control the forces generated between the forming die assembly and each mold.

Abstract: The invention is directed to modular molds for forming an inflatable member, in particular, balloons for use with balloon catheters and stent delivery systems. The detachable molds of the present invention include detachable segments including a generally cylindrical intermediate segment having an intermediate longitudinal dimension and an intermediate interior chamber with an intermediate inner diameter, and proximal and distal segments longitudinally disposed at opposing ends of the intermediate segment and having corresponding interior chambers.

Abstract: A method of foam-embedding cables, in particular for foam-embedding a steering wheel skeleton which is equipped with cables, comprises the following steps: the cable is positioned in a foaming mold; a portion of the cable, which is not to be embedded in foam, is positioned in a resealable cavity provided in the foaming mold, the cavity being sealed against the ingress of foam; the cavity and the foaming mold are closed; the foaming mold is filled with foam; and the foaming mold and the cavity are opened to remove a product produced. There is also proposed a foaming tool for performing such method.

Abstract: A casting mold half (5, 5a) for producing contact lenses comprises a mount (50) and an insert (51, 51a), which is arranged at one end of the mount (50) and can be connected to the mount (50) and which has a shaping surface (510) for the shaping of the front or rear surface of the contact lens to be produced. The insert (51, 51a) consists in the region of the shaping surface (510) of a material which is permeable to the energy crosslinking the starting material of the contact lens. Finally, a mask made of a material impermeable to the energy crosslinking the starting material is provided for spatially delimiting this energy. The mask comprises a separate surround (512) made of a material impermeable to the energy crosslinking the starting material of the contact lens, which surrounds the edge region of the shaping surface (510) of the insert (51, 51a).

Abstract: A tire vulcanizing system has a mold assembly M for vulcanizing a tire, which has a bladder assembly M300 which is supplied with a heating/pressurizing medium, a heating chamber C1a at the outer peripheral portion of a tire mold C, and upper and lower heating plates M100A and M200A of the tire mold, and is configured movably and so as to be capable of overcoming a force to open the mold by means of the pressure in a bladder BL; a plurality of mold opening/closing and vulcanizing stations 300 each of which receives the mold assembly M and opens and closes the same, and has a vulcanized tire unloader 302, a green tire loader 301, and a bladder operating/driving device 314; a changing/preheating station 200 which performs the change and preheating of the tire mold C incorporated in the mold assembly M and a bladder assembly 300; and mold transportation apparatus 100 which reciprocates between these two stations 300 and 200 to transport the mold assembly M.

Abstract: A concrete product molding machine has a mold removal and replacement mechanism which includes a transfer carriage movable from a location remote from mold supports on the machine along a pathway leading longitudinally abeam of the mold supports. Motor mechanism is activatable for moving a transfer carriage longitudinally adjacent to the machine, moving a cross carriage transversely inward, raising an elevator platform to deposit a mold thereon, returning the cross carriage transversely, and moving the transfer carriage longitudinally to remove the mold to a position adjacent to a mold deposit and replacement station. The mold is deposited at the mold deposit and replacement station and a replacement mold is deposited on the removal and replacement mechanism to be transferred to the concrete molding machine.

Abstract: A rotary table press having a rotatable die table, an upper punch turret and a lower punch turret is provided with a die table that is compartmentalized from the lubricated guides and punch bars to keep dust away from the parts in the die table compartment. Lubrication to the punch bars and guides in the turret is sealed off from the die table compartment. Further improvements pertain to the prior art difficulty with removal and replacement of dies, and removal of the die table. A hydraulic die removal assembly enables the operator to remove the dies, in situ, from the die table. Also, the improved apparatus enables the maintenance worker to pull out the part of the driving shaft that passes through the center of the turrets and die table, then pins are retracted, and with some related adjustments, that enables the die table to be removed from between the turrets. The procedure basically is reversed to re-install the die table.

Abstract: A mold box changing apparatus for a concrete block molding machine has a roller type mold box feed line, a split female/male thread type attaching/detaching device constituting a tightening mechanism has a lockable rotary support shaft actuated by a cylinder. The tightening mechanism includes a rotary support shaft capable of rotation by a cylinder pierced into a plunger extending downward from the press. A male thread portion has a split engagement groove disposed at a lower end of the rotary support shaft. The male thread portion has an end face in the form of a first inclination surface cam. A female thread portion has a split engagement groove and provided with a second inclination surface cam corresponding to the first inclination surface cam of said male thread portion such that rotation of said rotary support shaft causes the first inclination surface cam to be contacted, under pressure, with the second inclination surface cam.