Abstract: A slew-actuated stamping station includes an expandable core configured to apply radially outward pressure to a radially inward facing surface of a radial wall, and at least one slew-actuated punch for piercing, along a radially inward direction, a respective hole in the radial wall. A method for piercing a radial wall includes simultaneously (a) applying radially outward pressure against a radially inward facing surface of the radial wall, and (b) driving a slew to actuate at least one punch to pierce, along direction opposite the radially outward pressure, at least one hole in the radial wall. A method for forming an object, having a radial wall with holes, includes forming a ring with a radial wall, and piercing at least one hole in the radial wall with at least one slew-actuated punch.

Abstract: Mould for making stuffed or filled food products, in particular Sicilian arancini, comprising a base (1), a sleeve (2) and a stud (3), the base (1) being provided with a cavity (10) having an aperture facing outwards, the sleeve (2) having a first aperture (20) and a second aperture (21) and being configured to be removably coupled to the base (1) in correspondence with the aperture of the cavity (10) of the latter so as to direct the second aperture (21) outwards, the stud (3) being configured to insert into the second aperture (21) of the sleeve (2).

Abstract: A container is disclosed that is used to from a block of cheese having a brand marking. The container has dividers located on an internal side of a sidewall of the container. The block of cheese may be divided into slices of cheese where a slice of cheese has a brand marking.

Abstract: Disclosed are a method and an apparatus for preparing cosmetics by impregnating contents into an impregnating material. The apparatus includes a transfer table (110) to transfer a cosmetic vessel (200), an impregnating material supply unit (130) to introduce an impregnating material (210) into a receiving space of the cosmetic vessel (200), a content injecting unit (140) to inject the contents while moving back after pressing the impregnating material (210) introduced into the receiving space of the cosmetic vessel (200), a frame member supply unit (150) to supply a frame member (220) for fixing the impregnating material (210) impregnated with the contents, and an impregnating material fixing unit (160) to mount the frame member (220) at a mouth of the cosmetic vessel (200) in a state that the frame member (220) presses and fixes a circumference of the impregnating material (210).

Abstract: A mould for forming meat, comprising a bottom die formed as a recipient, a concavity of which faces in an upwards direction and is configured to contain the meat, a cover for closing and sliding internally of the mouth of the concavity, and elastic pusher that pushes the cover in order to compress the meat contained in the concavity of the bottom die; the elastic pusher being located externally of and by a side of the bottom die, and being singly interposed between an opposing element fixed to the bottom die and a vertically-mobile hook element fixed to the bottom die, which hook element is configured to hook the cover in order to create a constraint preventing the cover from separating from the hook element in an upwards vertical direction.

Abstract: The present invention provides molds useful in contact lens production, which molds incorporate a centering and spacing feature in the form of tabs on one of the mold halves. The spacing feature both centers the mold halves in relationship to each other and permits free flow of excess monomer from the mold. Additionally, the spacing feature aids in height control of the one mold half in relation to the other mold half.

Abstract: The invention provides molds useful in the production of contact lenses having seamless edges and in which molds movement of one mold half in relation to the other mold half is decreased. These results are attained by providing mold halves with shoulder stops and seam-matching features.

Abstract: An apparatus for drying wood veneer includes an elongate drying chamber including a conveyor for conveying material to be dried from an input end to an output end; and a cooling section for cooling veneer leaving the output end of the drying chamber, the cooling section including a pressure controller for maintaining a pressure in the cooling section that is slightly higher than pressure in the drying chamber while maintaining a near-zero pressure differential between the drying chamber and the cooling section.

Abstract: A pressing mold for use in press working of a material includes a mold body, a coating film formed on the portion of the pressing mold that comes into contact with the material in the press working, the coating film being formed by PVD method. The coating film includes a TiN layer formed on a surface of the mold body, a Ti(CxNy) layer (wherein, x+y=1, x<1, and x gradually increases to 1 as it becomes more distant from the surface of the TiN layer) formed on the TiN layer, and a TiC layer formed on the Ti(CxNy) layer.

Abstract: When compressing a part (12), stress concentrations are prevented when it is removed from the mould by lowering an insert (17) so as to release the top of a fine, flexible inner tube (16) in such a way that it can expand in the location where the part will be removed from the mould, and can partially release the inner stresses in the part, in the area of the portion which has been removed from the mould.

Abstract: The present invention relates to a press for encapsulating electronic components, comprising: two displaceable mold parts (5,6), feed means for encapsulating material, and a drive mechanism connecting onto the mold parts. In a first embodiment the drive mechanism is provided with a fluid bed (14) and a first fluid feed (15) whereby their connection can be interrupted by a displacer (16). In a further embodiment a displacer (28) is provided in the feed channel (26) to place the encapsulating material (25) under pressure. Furthermore, the present invention relates to methods for encapsulating electronic components with encapsulating material in such presses.

Abstract: A method of molding an optical component which includes providing a first mold and a second mold which mold the optical component, a cylindrical body whose rotational symmetry axis is identical with a second symmetry axis about which a second mold is rotationally symmetric, a trunk mold whose rotational symmetry axis is identical with a first symmetry axis about which a first mold is rotationally symmetric, a supporting means which supports the first mold in such a way that the first mold moves relatively to the trunk mold in parallel with the first symmetry axis, and a second tapered surface and a first tapered surface which contacts the second tapered surface, which connect the cylindrical body with the trunk mold in such a way that the second symmetry axis is identical with the first symmetry axis.

Abstract: A pellet article forming apparatus includes a bottom mold and a top mold. The bottom mold has at least one forming cavity to hold polymer powder. The forming cavity has a first arched surface at the bottom that has an edge extended to form a first compression surface and an opening to hold a thrust member. The top mold is located above the bottom mold and has a second arched surface opposing the first arched surface. The second arched surface has another edge formed a second compression surface corresponding to the first compression surface. The top mold and the bottom mold are movable against each other to provide a compression force to the polymer powder held in the forming cavity to form a desired pellet article. The pellet article thus formed has a desired genuine spherical surface. Damage of the molds that might otherwise occur due to compression can be prevented.

Abstract: A mold for an optical component is provided in which a first tapered surface is provided in a first mold while a second tapered surface is provided in a second mold. In the mold for the optical component, a curved surface distance which is a distance between a first mold curved surface and a second mold curved surface is greater than a lens thickness which is a distance between a first lens surface and a second lens surface in a state where the second tapered surface is contact with the first tapered surface. Moreover, the second tapered surface moves to a position where the curved surface distance is equal to the lens thickness, to elastically transform the first mold and fit onto the first tapered surface.

Abstract: A mold structure (100) includes a press board (20), a lower mold (10) and at least one locking mechanism (40) configured for locking the press board to the lower mold. The at least one locking mechanism includes a locking element (41), a slidable block (46) and a driven apparatus (42). The locking element engages with the press board and the lower mold along a first direction. The locking element defines a locking hole (4124). The slidable block engages in the locking hole along a second direction. The driven apparatus drives the slidable block to move along the second direction for pressing the press board to the lower mold along the first direction.

Abstract: A press for making a patty includes a substantially flat panel to contact the product to be pressed into a patty. An upstanding member is affixed to the panel. A weight member or “mould” surrounds the upstanding member. The weight member is moveable along the upstanding member between a first position where the weight member overlies the panel to facilitate the application of force to the product and a second position where the weight member is spaced from the panel.

Abstract: An embodiment of the invention includes an apparatus for making edible articles out of a chocolate or chocolate-like mass that is tempered and deposited directly on a conveyor web. The apparatus includes a holding and cooling device carrying plungers with pressing surfaces arranged above the conveyor web. The plungers with pressing surfaces are configured to be moved up and down relative to the conveyor web. The holding device carries a closure plate which is configured to move relative to the plungers. The closure plate surrounds a periphery of each plunger and is adapted to rest on the conveyor web during pressing of the chocolate or chocolate-like mass, and includes forming surfaces that are adapted to overlap at least part of a rim of the edible articles.

Abstract: An embodiment of the invention includes an apparatus for pressing an edible article. The apparatus includes a holding device including a channel for circulating a cooling liquid and also including independently suspended plungers. Each independently suspended plunger includes a lower part having a non-circular cross-section and at least two upper parts each having a circular cross-section. The lower part includes a pressing surface configured to be pressed into contact with an edible mass. The at least two upper parts each include a sliding surface supported by an opposing sliding surface that defines an opening of the holding device. The lower part and the at least two upper parts are separate parts that are joined together.

Abstract: An embodiment of the invention includes an apparatus for pressing an edible article. The apparatus includes a holding device including a channel for circulating a cooling liquid and also including an independently suspended plunger. The independently suspended plunger includes a lower part with a pressing surface configured to be pressed into contact with an edible mass. The independently suspended plunger also includes an upper part with a sliding surface supported by an opposing sliding surface that defines an opening of the holding device. The upper part has a circular cross-section and the lower part has a non-circular cross-section. The upper part and the lower part are separate parts that are joined together.

Abstract: A novel celery cultivar, designated ADS-8, is disclosed. The invention relates to the seeds of celery cultivar ADS-8, to the plants of celery line ADS-8 and to methods for producing a celery plant by crossing the cultivar ADS-8 with itself or another celery line. The invention further relates to methods for producing a celery plant containing in its genetic material one or more transgenes and to the transgenic plants produced by that method and to methods for producing other celery lines derived form the cultivar ADS-8.

Abstract: A mould for moulding braking bands with ventilation ducts with the use of composite material and, in particular, of C/SiC ceramic material, comprises two half-moulds with respective impression surfaces which face one another and lie perpendicular to an axis of symmetry and which, together with outer and inner cylindrical walls, define a moulding cavity in the shape of the braking band to be moulded. The mould also has pin elements which have the shape of the ventilation ducts and which can be transferred by secondary actuating means from a rest position to a working position and vice versa, the pin elements being outside the moulding cavity in the rest position and the pin elements being inserted in the moulding cavity in the working position.

Abstract: In a pressware die set, a segmented punch for fabricating a pressed disposable food service article having a substantially planar bottom portion, a sidewall and a rim portion. In one embodiment, the punch is mounted to reciprocate cyclically between an open position and a forming position about an axis of reciprocation and includes outer punch surfaces for forming the sidewall and rim portions of the pressed disposable food service articles, as well as a substantially planar punch surface suitably mounted and dimensioned to engage the substantially planar bottom portion of the disposable food service article. The improved punch includes a knock-out stripper ring juxtaposed with the substantially planar punch surface, defining a knock-out surface and which is reciprocally mounted with respect to the central substantially planar punch surface such that the knock-out surface is contiguous with the substantially planar punch surface when the punch is in a forming position.

Abstract: An embodiment of the invention includes an apparatus for making edible articles but of a chocolate mass that is tempered and deposited directly on a conveyor web The apparatus includes a holding a holding and cooling device carrying plungers with pressing surfaces arranged above the conveyor web. The plungers with pressing surfaces are configured to be moved up and down relative to the conveyor web. The holding device with plungers as well as an underlying part of the conveyor web is arranged in a housing connected to an air dryer adapted to supply dry air into the housing.

Abstract: A molding die has a shell having a penetration hole, a lower pattern installed in the lower opening of the shell, and an upper pattern slidably disposed from the upper opening of the shell. The shell includes an outer shell and an inner shell disposed inside of the outer shell. The inner shell is includes plural split shells. The inner shell can be separated from the outer shell. The inner shell, lower pattern, and upper pattern form a cavity. As a result, if the molded product sticks to the inner circumference of the shell, the molded product can be easily taken out of the molding die by disassembling the shell. Further, a molded product having an excellent dimensional precision can be manufactured.

Abstract: Disclosed is a die for compacting a powdered material. The die has a die body having a penetrating die cavity to which a couple of punches are adapted to apply for pressing the powdered material to be supplied to form a compact, and a die holder having a bore into which the die body is shrink fitted. The die cavity is provided with a coating composed of a material which is selected from the group consisting of titanium carbide, titanium nitride, alumina, titanium cyanide, hafnium nitride, chromium nitride, tungsten carbide and DLC, and the die holder is composed of a steel material which is prepared by tempering at a temperature higher than a treatment temperature at which the coating is provided on the die cavity. The die cavity is tapered at a ratio within a range of 1/5,000 to 1/1,000.

Abstract: Molding apparatus (10) is provided which allows use of a particulate non-liquid molding material (121) to produce a variety of articles, such as frustoconical barrel segments (122). The apparatus (10) includes a female mold segment (18) including generally annular inner and outer sidewalls (70, 76) and a complemental male mold section (20) having an annular sidewall unit (30). In use, a molding material (121) is placed between the sidewalls (70, 76) and the section (20) is shifted so that it telescopes within the section (18); this compresses the material (121) to a desired final shape, which is then hardened to yield the final product (122). An optional wear insert (26) can be used with female mold section (18), which can be replaced as needed and assists in cleaning of the apparatus (10).

Abstract: An apparatus and method for producing a sheet of brake lining material utilizes a mold which has a mold base and a mold frame. The mold frame is slidingly received on the mold base. The sliding relationship between the mold frame and the mold base results in a mold cavity which has a variable volume. The variable volume of the mold cavity allows the cavity to adjust to the size of material initially placed in the mold cavity thereby eliminating any mold flash and/or scrap material.

Abstract: In a pressware die set, a segmented punch for fabricating a pressed disposable food service article having a substantially planar bottom portion, a sidewall and a rim portion. In one embodiment, the punch is mounted to reciprocate cyclically between an open position and a forming position about an axis of reciprocation and includes outer punch surfaces for forming the sidewall and rim portions of the pressed disposable food service articles, as well as a substantially planar punch surface suitably mounted and dimensioned to engage the substantially planar bottom portion of the disposable food service article. The improved punch includes a knock-out stripper ring juxtaposed with the substantially planar punch surface, defining a knock-out surface and which is reciprocally mounted with respect to the central substantially planar punch surface such that the knock-out surface is contiguous with the substantially planar punch surface when the punch is in a forming position.

Abstract: Molding apparatus (10) is provided which allows use of a particulate non-liquid molding material (121) to produce a variety of articles, such as frustoconical barrel segments (122). The apparatus (10) includes a female mold segment (18) including generally annular inner and outer sidewalls (70, 76) and a complemental male mold section (20) having an annular sidewall unit (30). In use, a molding material (121) is placed between the sidewalls (70, 76) and the section (20) is shifted so that it telescopes within the section (18); this compresses the material (121) to a desired final shape, which is then hardened to yield the final product (122). An optional wear insert (26) can be used with female mold section (18), which can be replaced as needed and assists in cleaning of the apparatus (10).

Abstract: A mold device and method for producing a rough texture on all or a portion of the outward exterior surfaces of masonry block units. The device of the present invention is a mold having one or more cavities, open at the top and the bottom, with a rigid support platform or sheet across the bottom, to hold the masonry mixture in place until discharged through the bottom of the mold. On a portion of the interior sidewalls of the mold, are substantially vertical ribs extending from the interior surface, creating voids in the compacted mixture. An extension or “stripper” unit extends inwardly along the base of the portion of the interior wall containing the vertical ribs. A top plate configured to fit removably within the interior walls of the mold cavity is provided to compact the masonry mixture and to push the masonry unit out of the mold and simultaneously clean the mold.

Abstract: A system for the producing of shells of fat-containing, chocolate-like masses, which includes more than one cavity to receive the masses and more than one core member to be immersed in the mass-containing cavity. The core members are independently suspended from a holding device. Further, a mold cavity closure extends peripherally around the core members, and the closure includes shell rim molding surfaces which cooperate with the outer surfaces of the cores and the inner surfaces of the mold cavities to determine completely the geometry of the molded shells in the closed position. The closure is axially movable relative to the core members.

Abstract: An apparatus for manufacturing a magnet roller makes it possible to remarkably reduce defects on the surface or the inside of a magnet roller and also to control “warp” of the magnet roller sufficiently so that it does not adversely affect the functions of the magnet roller. A metal mold for magnetic field injection molding is composed of two fixed mold counterparts and a movable mold counterpart. The movable mold counterpart is moved to increase the volume of the cavity of the metal mold as a resin-bonded magnet material is injected into the mold.

Abstract: A method for maintaining alignment of a stack of spring washers mounted on a shaft. A retainer (44) is provided with an opening (41) for mounting on a shaft (49), a planar surface (42) for contacting outer contact edge (46) of spring washer (47) and a retaining lip (43) for limiting the lateral movement of spring washer (47).

Abstract: Molding apparatus including a thermally transmissive mold liner and a packing nub having a spring biased positioning pin for uniformly forming and molding grinding wheels. A locating pin at a bottom mold plate secures the liner to the bottom plate and indexes a threaded arbor and the nub to the pin. The positioning pin positions the nub to the arbor. Upon leveling a charge of a mixture of resin adhesive and abrasive material, a top plate is concentrically fitted to the nub and liner. The pressing of the top plate and nub with the bottom of the nub aligning with the bottom of the positioning pin provides uniform compaction. The liner supports the molded green wheel during curing and after which the wheel is removed.

Abstract: A machine for pressing earth into blocks has a rectangular breech and a press foot vertically reciprocally drivable in the breech. A bucking block is horizontally reciprocally drivable into and out of registration with an open upper end of the breech. Portions of the upper surface of the bucking block are tapered upwardly from front to rear and a horizontal bucking bar extends across the breech and bears downwardly against the tapered upper portions of the bucking block when the bucking block is in registration with the breech. The bucking bar can be supported at selectively variable levels above the breech and assures a firm positioning of the block against the force of the earth being compacted by the press foot. A rod extending vertically from and movable with the press foot cooperates with a sight line device fixed to the machine to facilitate visual determination of the elevation of the press foot within the breech.

Abstract: Toy mold systems usable by a child to form highly detailed, rigid molded toy figures are disclosed. The systems include at least three preformed mold sections each having a configuration such that, in an assembled condition of the toy mold system, they define a mold cavity having at least one undercut. The mold system includes structure for releasably engaging the at least three mold sections in the assembled condition of the toy mold system. In the preferred embodiments, the mold system includes a base, top, and four wall mold sections. One, and preferably all, of the wall sections have a cavity portion with undercuts which provide the detailing on the sides, front and back of the molded toy figure. One of the mold sections functions as a base section into which the other mold section nest and with which they are releasably engaged.

Abstract: Disclosed is a utensil for molding sushi rice for use in preparing nigiri-zushi, the molding utensil having a split mold having a mold member, and an outer frame for the split mold to removably fit in, the molding utensil being characterized in that the utensil is provided with a pair of vertically split side mold members forwardly movable toward each other within the outer frame, each of the side mold members is provided on each of their opposite end walls with one of pairing elements provided by an angular cam and a pin for advancing the side mold member by about 5 mm, the other pairing element is provided on a wall of the upper mold member to be opposed to the end wall, the outer frame has such a depth that molding cavities having their contours defined by the lower mold member inserted into the outer frame to its bottom, the upper mold member pushed into the outer frame and fitted to the inserted lower mold member and the side mold members in a forwardly moved position within the outer frame have a combin

Abstract: Methods and apparatuses for producing a powder compacts are disclosed. A powder compaction apparatus includes a recess formed by die and a lower punch inserted into the die. The recess is loaded with rubber mold provided with a cavity shaped according to the desired configuration of the compact. Subsequently, the powder is packed in the cavity of the rubber mold, and an upper punch is placed on die to press the rubber mold with powder in the space formed by the die, the lower punch and the upper punch, thereby producing a powder compact.

Abstract: A technique is provided for forming an article having a sharp, detailed edge by thermoforming thermoplastic resin prepregs containing randomly arranged reinforcing fibers and ordered, substantially continuous reinforcing fibers. The thermoforming mold used for this technique has a mold cavity with a wedge-shaped interior portion and a mold plug with a wedge-shaped exterior portion wherein the mold plug is capable of applying additional pressure along its edge section. The randomly arranged reinforcing fibers are utilized to form the sharp edge portion of the resulting article while the ordered, substantially continuous reinforcing fibers are utilized to form the remaining wall portions of the resulting article.

Abstract: Loading and solidifying of a cosmetic material is achieved by supplying a viscous cosmetic material into a container having a slidable bottom plate, closing an upper open end of the container by a presser, compressing the cosmetic material by pressing the bottom plate of the container upwardly, and squeezing solvent from the cosmetic material through a porous absorbent element secured in either the presser or a supporting block. The container includes a frame in which the bottom plate is slidably fitted. The supporting block has a recess to hold the container and a drive for pressing the bottom plate upwardly. The supporting block and/or the presser has a hollow space maintained at sub-atmospheric pressure, and the porous absorbent element is secured in the hollow space at a position adjacent the container.

Abstract: A process and an apparatus for forming a flange on the wall portion of a hollow body of thermoplastic material with an opening at one end provides that the end part of the wall portion which defines the opening is heated and contracted by means of a force acting on the end portion from the outside thereof over the periphery thereof, whereupon the contracted end part is subjected to a pressing operation to form a flange extending around the contracted end part.

Abstract: A method and an apparatus for compacting newly poured comparatively dry concrete or similar porous plastic raw materials (6) with a direct mechanically coupled 3-mass oscillatory system where the raw material in its confined form is vibrated and compacted from both sides by two vibrating planes with synchronized directional vibrations in phase opposition. Only one vibrating plane (M1) includes synchronized directional vibrators (4). Its other part (M3) is elastically coupled with (M1) by spacer means (8) (M2) arranged between a spring system (7) being so dimensioned that the parts is dynamically balanced whereby the two parts (M1) and (M3) oscillate in phase opposition close to or at the 2nd natural frequency of the system with a dynamic amplification of the amplitudes in relation to the impulses imparted from the vibrators (4) at the same time while (M2) is stationary. During the process (M1) and (M3) are carried towards each other by (M2) as the raw material is gradually compacted.

Abstract: A soap press for compressing soap pieces and forming a bar therefrom. The press comprises a press chamber which is secured in fixed relation to a shaft. The chamber receives the soap pieces and is formed by sides and removable top and bottom plates. The edges of the top plate are closely circumscribed during operation by the sides of the chamber. The top plate is movable within the chamber in a direction parallel to the walls thereof. The bottom plate is removably secured across the bottom of the chamber. The press further comprises means to apply pressure to the top plate of the chamber, which consists of an eccentric cam rotatable about an axis. The cam during operation bears against a portion of the top plate and as it rotates about its axis forces the top plate into the press chamber to a predetermined distance, to apply appropriate pressure to soap pieces within the chamber.

Abstract: A quantity of material (10), which is at less than a predetermined density, is disposed within a sealed container (12) which is, in turn, disposed in a first thermal jacket (32) to retain the heat within the material (10) to be consolidated. The first thermal jacket (32) is placed within a second thermal jacket (34) which is, in turn, disposed in a cavity defined by two elastomeric components (22, 24) retained between a ram (16) and pot die (14) of a press whereby upon closure of the press, the ram (16) enters the cavity (26) of the pot die (14) to apply external pressure to the entire exterior of the elastomeric components (22, 24). A seal (36) of material harder than the elastomeric material (22, 24) is disposed within the cavity (26) of the pot die (14) for preventing the elastomeric medium (22, 24) from leaking between the sliding surfaces of the ram (16) and the pot die (14).

Abstract: Apparatus and method for compensating uneven gravity filling with powder material of a die cavity formed on the top of a punch reciprocable in a bore in a die plate, the punch having an end face normally parallel to the surface of the die plate. The punch is mounted on an adjustable support member split into portions having each an end face disposed parallel to the end face of the other portion. The two portions have a common surface of junction disposed in a plane at an angle to the parallel end faces. The two portions are rotated together to orient the surface of junction in the direction of inclination of the punch, and the two portions are independently rotated the same amount in opposite directions as a function of the desired angle of inclination of the punch.

Abstract: A soap saving device for pressure bonding two or more pieces of wet soap comprising a rack particularly adapted for hanging in a shower or bath stall. The rack carries two or more soap trays with at least one tray being fixedly supported on the rack and another tray being moveable relative the rack. An elastic element, such as a rubber band or spring, can drive the moveable tray toward the fixed tray when an operate latch is disengaged in a first species. If two or more pieces of wet soap are stacked between the two trays, a pressure bonding force can be applied to the soap pieces to mold the several pieces into a single bar. The operate latch is dispensed within a second species, and the elastic element is manually extended momentarily to enable the moveable soap tray to be separated so that the two or more pieces of wet soap can be placed on the moveable tray for pressure bonding.

Abstract: A device for the manufacture of pressed profiled bodies from a non ascending mixture and including a raisable and depressable heated pressing tool upper part formed as a flat plate, at least one pressing tool lowerpart disposed below the pressing tool upper part and having a cavity containing the mixture to be pressed, a reversible raisable and depressible frame surrounding the cavity and having a side facing the pressing tool upperpart, and a frame part disposed on the side of the frame and movable towards the pressing tool upper part.

Abstract: Truncated contact lenses are produced in a direct casting operation using a mold assembly of a male mold member and a female mold member, both of which have molding surfaces and only one of which is provided with an inwardly flexible continuous rim portion. When vulcanizable or polymerizable constituents are placed in the mold, the two mold members are brought together, the flexible rim is flexed inwardly and the finished lens of the desired shape is obtained. The flexible rim is composed of a circular portion having two ends and a straight line connecting the two ends. This defines a chord and provides the finished lens with the truncation desired.Preferably the lens also has a toric surface and prism ballast to assist in positional stability of the lens on the eye of the wearer.

Abstract: A fixture for evenly distributing a predetermined clamping force about annular mating surfaces of a two-piece lens casting mold for avoidance of unwanted cast lens prism and/or edge flash.

Abstract: In an anvil assembly for powder-compacting press wherein an article is compacted of powder material against the face of the anvil clamped in position over a die cavity filled with powdered material, a reciprocable punch being disposed at the bottom of the die cavity for compacting the powdered material against the anvil face, the anvil is provided with a movable face portion which, during compaction of the powder material, is displaced away from the die cavity, compressing an elastomeric return spring.