Abstract: A multiplayer perform having at least a medium or intermediate gas barrier layer is prepared in advance by the injection molding of this perform in a predetermined shape that corresponds to the shape of a finished molded product. The body portion of this perform is heated to a blow moldable temperature. The heated perform is set in a primary blow mold (12), and is blow molded in the biaxial orientation to give a primary molded intermediate (5). The primary intermediate (5) is then heated to deform it forcibly by thermal shrinkage and thereby to give the secondary molded intermediate (6). The shrunken secondary intermediate (6) is set in a secondary blow mold (13), and is subjected to the secondary blow molding in the biaxial orientation to obtain a finished molded product, which is fixed thermally to give heat history to the PET resin.

Abstract: A storage device for plate-shaped data carriers, the storage device being box-shaped and including a first and a second cover part, pivotally connected, wherein a fixing element is provided for fixing the data carrier within the storage device, the storage device being injection molded from plastic, in particular polypropylene or the like, and being closable, and an authentication element being integrally injection molded in the storage device during manufacture.

Abstract: A long-term storage container (1) for storage of radioactive material to inhibit radioactive radiation therefrom to the outside of the container, the top of said container to be closed by a screw-on radioactive radiation inhibiting lid (7), said container having an integral inner container part (2; 34; 62; 62?) of a first material, e.g. plastic material, an integral outer container part (3; 43; 69) of a second material, e.g. plastic material, and radioactive radiation inhibiting material (4; 38; 68) in an inter-space between the walls and bottoms of said inner and outer container parts. To fill the inter-space an inter-space container part (4; 38; 68) is integrally moulded through injection or pressure moulding and then fitted onto the inner container part (2; 34; 62; 62?) to subsequently mould the outer container part (3; 43; 69) onto the outside of the inter-space container part (4; 38; 68). A specially made container lid (7) is provided.

Abstract: A system, a method and an article made thereby are disclosed relating to the formation of a hollow structural plastic molded member having an exterior surface of a first plastic material and an inner layer of a second different structural plastic material which extends about an elongate hollow cavity. A representative example illustrates a railing member such as a spindle or post of a first thermal plastic outer appearance layer and an internal structural layer of fiber filled thermoplastic material extending about an elongate hollow cavity.

Abstract: A polymeric composition comprising a polymer and a nucleation agent, and having isotropic shrinkage of less than about 20% and a differential shrinkage of less than about 20%.

Abstract: The invention is an integrally blow-moulded bag-in-container (2) obtainable by blow-moulding an injection moulded multi-layer preform (1). The bag-in-container (2) includes an inner layer (21) forming the bag and an outer layer (22) forming the container, and a single opening (5), the mouth, fluidly connecting the volume defined by the bag (21) to the atmosphere. The container further includes at least one interface vent (3) fluidly connecting the interface between inner and outer layers to the atmosphere, wherein the bag (21) is anchored to the outer layer (22) at least one point (7) remote from the single opening (5) and interface vent (3).

Abstract: Disclosed is a mold system which comprises a cube configured to rotate about an axis, a first cavity platen comprising at least one first cavity section, a second cavity platen comprising at least one second cavity section, a fluid channel being disposed within at least one of the mandrels and a hydraulic connection member configured to connect at least one of the fluid channels to an inlet and or outlet positioned outside the cube. The cube comprises at least two sides, each side comprising at least one mandrel. The hydraulic connection member is configured to deliver a volume cooling fluid from or to the fluid channels while the cube is rotating.

Abstract: The invention is an integrally blow-moulded bag-in-container (2) and preform (1) for making it The bag-in-container (2) has an inner layer (21) forming the bag and an outer layer (22) forming the container, and a mouth (5) fluidly connecting the volume defined by the bag to the atmosphere. The container further has at least one interface vent (3) fluidly connecting the interface (14) between inner and outer layers to the atmosphere, wherein the at least one vent (3) runs parallel to the interface between inner and outer layers (21) (22) and opens to the atmosphere at a location (4) adjacent to, and oriented coaxially with the bag-in-container's mouth (5). Processes for manufacturing a preform and a bag-in-container as defined above are defined too.

Abstract: High gas barrier, delamination-resistant polyamide compositions suitable for extended shelf-life packaging applications are provided. Also provided are polyamide compositions exhibiting high oxygen scavenging capability. The polyamide compositions comprise mXDA-IPA containing copolymers which provide excellent properties to the complete polyamide compositions. Also provided are direct blends of the polyamide compositions with other polymers. The polyamide products are particularly suited for producing barrier packaging articles such as monolayer or multi-layer films, sheets, thermoformed containers and molded bottles. Such articles are useful in a variety of oxygen-sensitive food, beverage, pharmaceutical, and health care product packaging applications.

Abstract: A joint boot which is made of resin comprising a small-diameter cylinder part, a large-diameter cylinder part and a bellows part interlinking both is molded by injection blow molding. While forming the bellows part by blow molding, the exterior boundary between an injection molding section and a blow molding section is set in a cutout portion formed in a shoulder portion of the recess for fixation.

Abstract: A disposable vase comprises biodegradable material. In one embodiment, the wall of the vase is made of a plastic selected from a biodegradable polymer selected from a polyester and a polymer derived from starch or a mixture thereof, wherein the polymer has a thickness that allows the vase to retain its shape. When it becomes street litter, such a vase decomposes relatively fast. The biodegradable plastic can be selected from polylactates and polyhydroxyalkanoates. Preferably the polyhydroxyalkanoate is chosen from polyhydroxybutanoate, polyhydroxyoctanoate, polyhydroxyvalerate and mixtures thereof. The excellent plastic properties of these polyesters also offer possibilities for use at home, since their environment-friendly character permits the owner of the vase to discard, without feeling embarrassed, a vase that he or she considers less beautiful or of which he or she is tired, and to buy another vase.

Abstract: Preform for producing containers (90) comprising a neck section (8), a wall section (6) and a bottom section (7), which is composed of a multi-layer structure comprising three layers, the one of which (1) is directed inwardly respective the preform and is composed of a primary material (PM) thereby forming a primary basis layer (1). Said primary material consists of a synthetic material. A further layer (3) is directed outwardly with respect to said primary layer (1), in such a way that it forms the outer surface layer (3) of the preform, thereby consisting of a tertiary material (TM) forming a tertiary surface layer (3). Said tertiary layer is composed of a further synthetic material. Said preform is remarkable in that an intermediate layer (2) is provided between the primary and tertiary layers (1, 3) which is composed of a secondary material (SM) consisting of a fluid. Process and device for manufacturing said preform.

Abstract: In order to provide a tubular moulding with a wall, which has high compressive strength and high mechanical stability with good temperature resistance and good chemical resistance, it is proposed that the wall comprises a composite, which comprises a plastics material layer, which is formed from a material containing a fluoropolymer material, and a reinforcement layer.

Abstract: When practicing the present invention, the manufacturer as an initial step, and starting from a given bucket 10, selects the thickness w30 of a second type lid 30 circumferential region 31 to be less than the thickness w20 of a first type lid 20 circumferential region 21 whereby the circumferential flange 38 of the second type lid 30 after application on the bucket 10 is more readily manually disengaged from said locking rib 16 by an outward flexural movement of the outermost wall 37. Hence, the second type lid 30 may conveniently be formed as a “flex-off”-type lid fitting the same bucket 10 as the first type lid 20. Making lids of the second type may be by using the same injection mold as used for the first type lid 20, modified by an inlay providing for the reduced wall thickness w30 and possibly for any minor differences in the design of the peripheral flanges 28, 38, such as the angle ? that the upper face A of the flange 28, 38 makes with the vertical, and the dimension ?, i.e.

Abstract: A method of molding a shopping cart component includes providing a first subcomponent and then overmolding the shopping cart component as a second subcomponent about the first subcomponent. The first subcomponent acts as an obstacle to a plastic injection stream and to a gas injection stream during the overmolding of the second component to assist in defining a first hollow section of the shopping cart component adjacent the first subcomponent.

Abstract: A fluid container and method for inhibiting the growth of microbes in liquid nutrient in a container, the container having an interior surface having a metal-ion sequestering agent and/or antimicrobial agent provided in a localized area of the container formed by a two shot molding, insert molding or two shot injection stretch blow molding process, said metal ion sequestering agent provided for the removing and/or inhibiting growth of microbes in the liquid nutrient.

Abstract: The invention concerns a tube comprising a wall made of C4-C10 linear ethylene-olefin copolymer or a mixture of C4-C10 linear ethylene-olefin copolymer having a melt index ranging between 3 and 10 g/mn, and a density ranging between 0.880 g/cm3 and 0.935 g/cm3 inclusive. The skirt has a mid-height wall thickness ranging between 0.30 and 10 mm inclusive, and a length between 40 and 200 mm inclusive. Furthermore, the skirt and the dispensing head are made in a single injection molding operation in an injection mold. The invention is useful for making tube-like packages.

Abstract: Various embodiments of a process for making hollow thermoplastic articles are provided. In one embodiment, a process for producing hollow thermoplastic article includes placing a sock preform of a first polymer composition about a core pin and injection molding a molten parison of a second polymer composition that is different than the first polymer composition into an injection mold cavity and onto the sock perform. The injection molding process produces an injection preform having two different material compositions. The process further include blow molding the injection preform to produce a hollow thermoplastic article having an interior surface of the first polymer composition and an exterior surface of the second polymer composition.

Abstract: A preform for a multi-layered hollow vessel has excellent moldability and productivity and is free from the deterioration of the characteristic properties of the vessel even when a recycled material is filled in large quantities. A molded product is produced by filling a first material and a second material into the cavity of an injection mold in a single molding step including (i) the substep of injecting the first material, (ii) the substep of injecting the first material and the second material at the same time and (iii) the substep of injecting the first material which are carried out continuously in this order.

Abstract: A resin container is provided which has a container body and a lid for closing the container body. The container body of the resin container is produced by injection-molding an amorphous thermoplastic resin. The container body form has a peripheral rise portion and a recessed flat portion defined by the peripheral rising portion. The peripheral rise portion has a height of 0.5 to 10 mm, and the recessed flat portion has an area of 1 to 100 cm2, an average wall thickness of not more than 0.25 mm and a flatness of not more than 0.5 mm.

Abstract: The present invention provides a decorative sheet having a base film made of a thermoplastic polyester resin and a decorative layer on the base film, and provides a decorated resin molding produced by using the decorative sheet. The base film is not broken in both of MD (a flow direction of film-forming) and TD (a direction perpendicular to MD) and has a stress of 20 N/cm2 or less in any of MD and TD under a 200% elongation at 80° C. The decorated resin molding includes a resin molding and the decorative sheet which is unitedly laminated to the resin molding. The decorative layer of the decorative sheet faces toward the resin molding. The decorative sheet is suitable for producing the decorated resin molding by a decorating injection molding method.

Abstract: A synthetic resin container according to the invention has a craze pattern on the outer surface of its body. The container comprises an inner layer that comes into direct contact with content during its storage, an outer layer laid over the inner layer, and a translucent protective layer laid over the outer layer. The outer layer carries a craze pattern that has been obtained by applying a solvent to a preform or parison of the container after blow molding thereof. The protective layer covers and protects that portion of the outer layer, which carries the craze pattern, and preserves its visibility from outside.

Abstract: A fluid container and method for inhibiting the growth of microbes in liquid nutrient in a container, the container having an interior surface having a metal-ion sequestering agent for removing a designated metal ion from the liquid nutrient for inhibiting growth of microbes in the liquid nutrient.

Abstract: The side wall portion of a plastic article, as a plastic container, is opaque and includes a transparent portion, as a view stripe. The opaque portion limits viewing the inside of the article, whereas the transparent portion permits viewing the inside of the article therethrough. A method for forming the plastic article is also disclosed.

Abstract: A seamless collapsible container has a molded finish, configured and adapted for sealing with a closure and, optionally, for attachment to a dispensing apparatus, and a seamless, blow molded body portion, comprising an inner surface, an outer surface, and a wall, where the wall is sufficiently thin to allow the body portion to collapse, and the molded finish and at least an inner layer of the body portion together comprise a seamless, single piece of thermoplastic material. The seamless collapsible container may be used in such applications as a bag-in-box, a carton liner, and a beverage pouch.

Abstract: A method is provided for manufacturing a painted plastic component such as painted air bag covers, side cladding or exterior bumpers, which includes a painted film sheet and a one-piece thermoplastic elastomeric structural carrier. A bottom contact surface of the film sheet bonds with a front contact surface of the structural carrier by diffusion between the contact surfaces thereof within a mold cavity of an injection mold separate from the mold cavity of a vacuum mold which is utilized to vacuum-mold the film sheet to form the desired painted plastic component.

Abstract: Apparatus for handling and cooling preforms, comprising a collection element provided with a plurality of receptacles arranged according to a definite geometrical distribution pattern and adapted to accommodate a corresponding plurality of preforms, as well as a cooling element. The collection element is displaceable from a preform loading position to several distinct positions, arranged above the cooling element, which is provided with a plurality of cups collected into a plurality of distinct, but similar geometrical distribution patterns that are translated with respect to each other in such a manner as to prevent them from interfering with each other.

Abstract: Polyethylene-based composition for which the standard density, measured at 23° C. according to ASTM Standard D 792, is greater than 940 kg/m3 and which comprises talc in an amount of less than 1 part per 100 parts by weight of polyethylene. The composition is preferably in the form of extruded granules. It exhibits a markedly improved creep resistance. Process for the manufacture of shaped articles and articles shaped from the composition, in particular pipe couplings and pipes intended for the transportation of pressurized fluids.

Abstract: A novel multilayer structure in which one layer comprises a polymer comprising a solventless, waterless, melt-processable acrylonitrile olefinically unsaturated polymer and the other layer comprises an organic polymer. Either polymer can be employed as the inner layer or the outer layer component of the multilayer structure.

Abstract: A one-piece integrally molded container includes a finish having a deck and a pair of outlet openings surrounded by associated annular walls. A peripheral ring extends upwardly from the deck, and has a radial lip that helps retain the container in the mold tooling during the forming operation. The finish has a radial bead over which a bead on the inside diameter of a closure skirt snaps to secure the closure to the container. Annular walls on the closure surrounding the closure dispensing openings are received in plug sealing engagement within the annular walls surrounding the outlet openings on the container finish deck.

Abstract: Transparent polyamide molding materials are provided which are characterized in that they have a melting enthalpy between 0 and 12 J/g and the polyamides are constituted of 100 mole-% of a diamine mixture having 10-70 mole-% of PACM [bis-(4-amino-cyclohexyl)-methane] with less than 50 wt.

Abstract: The invention relates to a method of shaping hollow boards (11) that consist of a thermoplastic material and that have at least one cavity (17) in the interior of the board that is open towards the board edge (18). According to the inventive method, said cavity (17) is sealed at the board edge (1), thereby closing the cavity towards the exterior in a substantially gas-tight manner. Once the cavity (17) is closed in this manner, the hollow board (11) that has been softened by heating is shaped by a shaping pressure to which it is subjected from the exterior. The invention also relates to a device for carrying out the inventive method. The invention provides a method and a device which prevents the interior structure of the hollow board being deformed in an undesirable manner during the shaping process.

Abstract: A blow-molded decorative article is disclosed which comprises a plurality of different polymers having different melt flow rates that cause inter-dispersion of the polymers upon blow-molding. The article is blow-molded from a multiple layer parison that a plurality of layers of like polymers, i.e., polyethylenes, polypropylenes, polystyrenes, etc., that have different melt flow rates and different colors. As a result in the differences in the melt flow rates, the polymers of the various layers mix upon blow-molding to create the look of a glazed ceramic pottery or an exterior pattern such as a tie-dyed marbleized or camouflaged pattern.

Abstract: A method of manufacturing a container for containing an oxygen sensitive products from a heated plastic by blow molding the plastic with a compressed gas that is inert to the oxygen sensitive product. The heated plastic may contain an oxygen barrier layer or an oxygen scavenging component. The gas is also inert to the oxygen scavenging component, if it is present. An exemplary compressed gas is nitrogen gas. The blow molding may be extrusion blow molding, injection blow molding or stretch blow molding. The plastic may be, for example, a polyolefin, a nylon, or a polyester.

Abstract: An injection-molding apparatus comprises a mold assembly having a first-molten-resin injection portion for injecting a first molten thermoplastic resin into a cavity of the mold assembly, a second-molten-resin injection portion for injecting a second molten thermoplastic resin into the cavity, and a pressurized-fluid introducing portion for introducing a pressurized fluid into the second molten thermoplastic resin injected into the cavity. The injection-molding apparatus also comprises a first injection cylinder communicating with the first-molten-resin injection portion, and a second injection cylinder communicating with the second-molten-resin injection portion.

Abstract: The invention concerns the production of articles comprising at least a rigid element (1) and at least an element (2) made of a thermoplastic material obtained by moulding. The rigid element (1) has a profiled transverse section defining a concave space, wherein is positioned at least partly an element made of thermoplastic material.

Abstract: The present invention provides processes and an apparatus for injection-molding an article with a fluid channel formed therein. The process includes providing at least first and second resin streams within a mold cavity, causing the flow fronts (16) of the resin streams to meet at a longitudinal point in the mold cavity to form a first layer of solidified resin on a peripheral surface of the mold, the first layer having a knit line (20) at the longitudinal point where the resin streams meet; and introducing a fluid into the molten resin in the mold to form a fluid channel (50) and a second layer (32) of solidified resin, the second layer between the fluid channel and the first layer of solidified resin, wherein the second layer is devoid of a knit line at the longitudinal point in the mold cavity where the first and second flow fronts meet.

Abstract: A panel for an airbag of an automobile is formed by integrally molding a cover body, which is made of a synthetic resin, with a main body, made of another synthetic resin. The panel includes a joint portion, joined with the cover body, and provided around an opening portion formed in the main body. The joint portion constitutes an overlapping portion in which an outer peripheral edge of the cover body is overlapped as being arranged on the inner side of an opening edge of the main body.

Abstract: A method of manufacturing a container for containing an oxygen sensitive product from a heated plastic by blow molding the plastic with a compressed gas that is inert to the oxygen sensitive product. The heated plastic may contain an oxygen barrier layer or an oxygen scavenging component. The gas is also inert to the oxygen scavenging component, if it is present. An exemplary compressed gas is nitrogen gas. The blow molding may be extrusion blow molding, injection blow molding or stretch blow molding. The plastic may be, for example, a polyolefin, a nylon, or a polyester.

Abstract: Process for manufacturing a plastic fuel tank from two shells formed by molding, which are joined together, at least one shell being produced by compression-molding a portion of a plastic sheet between a mold and a punch and by the remaining portion of the sheet being blow-molded in the region not compression-molded.

Abstract: A method of preventing delamination of multiple layers of an oriented polymer container having an opening defined by the multiple layers comprising a bi-axially oriented multilayer polymer container having an opening defined by a perimeter at which the multiple layers are exposed; heating the perimeter until workable; providing a curling die; feeding the multilayer perimeter into the curling die to curl the perimeter sufficiently to inhibit delamination of the layers and a container when so made.

Abstract: A method of manufacturing a plastic window for an automotive vehicle in which a hollow frame portion is separately molded from a main optical panel the frame portion bonded to the perimeter of the main panel as by melt bonding.

Abstract: An injection molding apparatus for producing a plastic product having a grain pattern thereon. The apparatus includes a female die having a grain pattern on an inner surface thereof, the female die further provided with a vacuum drawing mechanism for drawing a vacuum therethrough, and a male die having an injection aperture for injecting a thermal formable plastic material therethrough. The male die further includes a burr cutter adapted to slide fit in a gap between the male die and the female die and a guide pin with a spacer provided at four corners of the male die for controlling a distance between the male die and a female die.

Abstract: The invention relates to a method for linking a first plastic component (6) with a second plastic component (9). According to the inventive method, the first component (6) is introduced into an injection mold with at least one connecting section (12) at which the link with the second component (9) is to be established. The second component (9) is formed by injection-molding plastic material onto the connecting section. A surface of the connecting section (12) is at least partially covered by the plastic material of the second component (9). At least one of the components may consist of a plastic material that requires only a relatively narrow temperature range to be moldable in the molten state. At least one binder body is formed at the surface intended to be covered by the injection-molded plastic material which binder is firmly linked with the surface. Said binder melts when contacted with the heat energy of the injection-molded plastic material and fuses with the injection-molded plastic.

Abstract: A method of manufacturing a vehicle pull handle assembly includes injection molding a pull strap portion in the first shot of a multi-shot molding process. The pull strap portion includes a first pivot joint member. A base is over-molded onto the pull strap portion in the second shot of the multi-shot molding process. The base includes a second pivot joint member which pivotally mates with the first pivot joint member but does not chemically bond with the first pivot joint member in the final molded pull handle assembly.

Abstract: Sleeve molding apparatus and methods for making multi-layer injection molded plastic articles in successive mold cavities. In a first molding step, an inner sleeve is molded on a core in a first mold cavity, which may comprise a full body length sleeve or only a partial sleeve, such as an upper neck finish portion. The sleeve and core are withdrawn from the first mold cavity while the sleeve is still warm, and transferred without substantial delay to a second mold cavity for injection molding an outer layer which bonds to the inner sleeve. By transferring the sleeve at an elevated temperature into the second mold cavity, an improved bond is formed between the inner sleeve and outer layer which resists separation during a later reheat stretch blow molding step, and/or in use of the resulting article. In a preferred embodiment, a pasteurizable beer container is provided having a finish-only sleeve of a PEN polymer.

Abstract: A method of manufacturing a plastic window for an automotive vehicle in which a hollow frame portion is separately molded from a main optical panel the frame portion bonded to the perimeter of the main panel as by melt bonding.

Abstract: A preform and method used to make a container which has a blown wide-mouth finish and a multilayer wall structure. The injection molded preform has a multi-layer container body forming portion, a mono-layer moil forming portion and a blown finish forming portion located between the container body forming portion and the moil forming portion. The preform is blown into an intermediate article consisting of a blown finish wide-mouth multi-layer container and a mono-layer moil portion which is severed from the intermediate article and recycled. The multilayer wall structure can include at least one layer of a gas barrier material, a cost-effective recycled material, or a material which strengthens and/or lightweights the container.

Abstract: A molding system and related method for forming a molded article, such as a container, is disclosed. In one embodiment, the injection material is supplied though a side gate and drawn into the mold cavity using a vacuum assist and optional heating of the mold portions, if necessary. This creates a preform having a closed end with a smooth outer surface without gate marks or other vestiges of the injection molding process. The preform is then blow molded to form an article or container having a smooth outer surface adjacent to a closed end thereof.

Abstract: A window for automobiles or the like, including a frame member which is composed of a thermoplastic synthetic resin material and formed integrally with a window plate. The frame member includes a substantially U-shaped cross-sectional portion formed of lip and web sections which are spaced from and opposed to each other on outer and rear surfaces of the window plate, respectively, and connected with each other by a bridge section having a continuous hollow inner space therein. The frame member is formed by injecting into a mold cavity a relatively small amount, as compared with the volume of the mold cavity, of molten thermoplastic synthetic resin material, and by injecting compressed gas into the resin material to urge the resin material against inner surfaces of the mold defining the cavity.