Abstract: Method for fastening an accessory (2) at at least two points of a wall of a plastic fuel tank, this fastening taking place during the actual manufacture of the tank by molding. According to this method, the accessory (2) is provided, at least at one of its fastening points, with a fastening part (1, 1?) in such a way that the accessory (2) is fastened to the wall of the tank and can move relative to the corresponding fastening point on the wall of the tank (3).

Abstract: A multiple compartment container having a plurality of independent double compartment containers within a container. Each double compartment container have an outer larger compartment fully enclosing an inner smaller compartment with each adjacent compartment having an independent open end located opposite each other to allow free accessibility to the compartment. Each open end accommodates a closure device to close the compartments. This prevents the contents of one compartment from mixing with the contents of the other compartment.

Abstract: Provided in a method of producing a plastic bottle in which molding cycle is improved and a highly transparent plastic bottle rarely having a problem of discoloration such as whitening is produced. The method according to the present invention is a method of producing a plastic bottle comprising 0.005 to 0.025 parts by mass of a 1,2-benzisothiazol-3(2H)-one 1,1-dioxide compound with respect to 100 parts by mass of a polyester resin, the method comprising preparing a masterbatch containing 0.01 to 0.5 parts by mass of the above-described 1,2-benzisothiazol-3(2H)-one 1,1-dioxide compound with respect to 100 parts by mass of the polyester resin, subsequently mixing the masterbatch and polyester resin to produce a mixture, and molding the mixture into the shape of a bottle. Further, it is preferred that the above-described polyester resin be a polyethylene terephthalate resin.

Abstract: The present invention relates to plastic disposable supplies used in medical, biological, chemical and biochemical industries and laboratories. The disposable products of the present invention are manufactured by using a novel biodegradable plastic with composition modified from polylactic acid (PLA) plastic and additives under specific injection/blow molding conditions, thus possessing superior physical and chemical properties and being able to be degraded in nature without causing environmental contamination.

Abstract: A method of molding a toner bottle including separating polyethylene terephthalate (PET) bottles that have not accommodated oily or colored materials from retrieved PET bottles grinding the separated PET bottles to obtain a flake PET material of which not less than 80% has a form from a triangle to an octagon with a size not greater than 8 mm 8 mm, washing and drying the flake PET material to obtain a flake PET molding material and molding the flake PET molding material to make a toner bottles.

Abstract: This invention discloses a method for preparing a preform for two-stage injection-stretch-blow-moulding (ISBM) from polypropylene resin produced with a Ziegler-Natta catalyst system and having a melt flow index MI2 of from 1 to 20 dg/min, wherein polypropylene is injected at a melt temperature of at least 265° C. Also disclosed are the preforms obtainable by the method, the use of the preforms for preparing bottles, and the bottles prepared from the preforms.

Abstract: Method of making a container having an elongated body equipped with a neck, such as a bottle (2), from a preform (1) made of thermoplastic polymer, said bottle (2) having special dimensional parameters. It essentially comprises a step of stretching and blowing a thin-walled (10) preform (1) with an average thickness (e) of its wall (10) less than 2 mm and an aspect ratio u=l/e, l being the length of the thin walled-preform (1), superior to 45.

Abstract: The invention provides, in one aspect, a method of making a container having a body and a rim defining an opening for the container, the opening being capable of being closed by a push-on lid, the container being made of a material which is susceptible to deformation when heated. In other aspects, the invention also provides a container and an apparatus for making a container.

Abstract: A dosing bottle is made by injection molding a synthetic resin preform with a threaded neck finish portion and a body portion. The neck finish has an internal collar adjacent said lower end thereof. The preform is removed from the injection mold and inserted into the mold of a blow molding machine. The mold has a cavity with a body portion conforming to the desired configuration and dimensions for the body of the bottle and a neck portion closely conforming to the configuration and dimensioning of the neck portion of the preform. The preform is heated and inserted into the blow mold cavity with the neck finish portion of the preform being sealed from the body portion of the cavity. Air is introduced into the body portion of the preform to blow the body portion of the preform into conformity with the body cavity while precluding any distortion of the collar and of the neck finish.

Abstract: A method for replenishing carbon dioxide gas in a carbonated beverage container where a carbon dioxide regulator releases carbon dioxide at a rate approximately equal to the rate of carbon dioxide loss from said container. Also disclosed is packaging system for maintaining a consistent pressure of a carbonated beverage comprising a closure, a plastic container, and a carbon dioxide regulator. Also disclosed is a method for making a packaging system for maintaining a consistent pressure in a carbonated beverage comprising overmolding a perform around an assembly for a carbon dioxide regulator, or blending a carbon dioxide regulator into the plastic material used to form the body of a container for said carbonated beverage. Also, disclosed is carbon dioxide regulator composition for replenishing carbon dioxide gas in a carbonated beverage container comprising polymeric carbonates, organic carbonates, or materials that absorb and subsequently release carbon dioxide.

Abstract: A container system is adapted to withstand impacts and features a first container having a first container body and a second container having a second container body. The second container defines a second body height and a second body wall thickness. A body recess is formed in the second container body for releasably engaging the first container body of the first container. A body recess defines at least one recess top and bottom corner and recess vertical edge having a recess top and bottom corner and vertical edge wall thickness, respectively, and which are intentionally thinned so as to have a thickness that is less than the second body wall thickness. The recess top and bottom corners and vertical edges are specifically configured to be deformable in response to an impact imposed thereagainst such that at least a portion of the impact shock is absorbed by the deformation in order to avoid rupture of the second container.

Abstract: A polyolefin construction comprising at least one polyolefin (PO) layer, a barrier layer for the polyolefin layer and a compatibiliser for the PO and the barrier layer, which compatibiliser enables the PO and barrier layer to adhere together, whereby the barrier layer comprises the compatibiliser; a blended barrier layer polymer and the barrier layer formed therefrom and a process for producing the polyolefin construction.

Abstract: In the hot parison method of stretch blow molding, the temperature distribution of the body wall of the injection molded preform is changed to a gentle gradient slope shape from a mountain shape not by the external application of heat, but by the preform itself, to prepare a bottle with an improved top load value. After the injection-molded preform is released from the mold, cooling of the inner side of the preform is continued by the injection core. Inner side cooling is terminated by release from the injection core. The preform is left in a hollow state for a time, the temperature-averaging time, until the outer surface temperature drops to the stretch blow molding temperature, after passing a peak temperature. While in the molding temperature region, stretch blow molding of the thin-wall hollow molded article is conducted.

Abstract: A method of fabricating a highly porous structure is provided. The method includes the step of compounding a biodegradable polymer, a water-soluble polymer and a porogen to form a composite blend. A foaming agent is dissolved into the composite blend and the composite blend is injected into a mold so as to form the structure. Thereafter, the structure is removed from the mold and leached in a fluid.

Abstract: A dual constituent container includes a compartment for liquids and an elongate inwardly directed recess open to the container exterior and isolated from the compartment. The container is formed by blow molding, using a mold that incorporates a shaping feature projected longitudinally into the mold cavity. The shaping feature incorporates an arrangement of longitudinal channels having a channel width such that when a thermoplastic preform is expanded into contact with the mold cavity walls and the shaping feature, portions of the expanded preform span the channels and cooperate with the channels to provide passages that accommodate pressurized air to facilitate separation of the expanded preform from the shaping feature. The same portions of the expanded preform can partially protrude into the channels, thus to form longitudinal ribs along the recess which aid in frictionally holding a secondary constituent.

Abstract: The present disclosure relates to flexible, three-dimensional injection blow molded or injection stretch blow molded liners for use in overpacks, bottles, containers, etc. and methods for manufacturing the same. A method for manufacturing a liner may include injecting a polymeric material into a preform mold die to form a preform, blow molding the preform to form the liner, collapsing the liner and positioning the liner in an overpack, and inflating the liner. A fluoropolymer may be used for the preform. A liner may comprise a flexible body that substantially conforms to the interior of an overpack and a fitment port integral with the flexible body. The flexible body may be adapted to be removably inserted into the overpack by collapsing the flexible body, inserting the flexible body into the overpack, and re-inflating the flexible body inside the overpack. The flexible body may comprise a fluoropolymer and may comprise multiple layers.

Abstract: A preform for use in blow molding a plastic container is disclosed herein. The preform has an open end and closed end, and a body adapted to form a body of the container when the container is blow molded. The preform further includes a finish having a top surface, an inner wall having circumferentially-spaced thin segments alternating with thick segments, and an outer wall wherein the thin segments exist entirely in the finish and extend towards the open end of the body of the preform. The thick segments do not extend to the top surface.

Abstract: An injection blow molding machine (10) having a core rod (18) against which a parison of a thermoplastic material is formed by injection molding. The core rod is cooled by causing a stream of compressed and conditioned air from an inlet manifold (52) to flow through the core rod. The core rod has an outer annular tube (70) surrounding an inner annular tube (74) and defining an annulus (80) therewith, and the annulus (80) is divided into inlet and outlet flow passages (82, 84) by opposed projections (76, 78) that extend thereinto. Spent cooling air from the core rod is exhausted to an outlet manifold (54) from which it is discharged to atmosphere through a line (42) or recompressed by a compressor (46) and returned to the inlet manifold (52) after reconditioning. The conditioned air has a regulated pressure as a result of passing through a pressure regulator (24), and is heated, if needed, by passing it through a heater (26), or cooled, if needed, by injecting a water spray from a spray nozzle (36) thereinto.

Abstract: Air cartridge devices and methods of using the air cartridge devices are provided. In an embodiment, the present disclosure provides an air cartridge device comprising an elongated cylindrical shaft defining a first elongated end portion and a second elongated end portion. The second elongated end portion can defining one or more apertures. The air cartridge device can be incorporated into a blow molding apparatus for blow molding bottles.

Abstract: Novel semi-aromatic polyamideimides are prepared by melt polymerization of at least one organic compound having carboxyl groups, of at least one diamine compound and, optionally, of at least one diacid compound; such novel polyamideimides are formulated into compositions based on a thermoplastic matrix.

Abstract: The invention provides a process for injection blow molding an article, said process comprising injecting into a mold cavity a composition, comprising at least one ethylene-based polymer and less than, or equal to, 1000 ppm of a mold release agent, based on the total weight of the composition. The invention also provides a composition comprising a blend, wherein the blend comprises at least one high molecular weight (HMW) ethylene-based polymer, and at least one low molecular weight (LMW) ethylene-based polymer, and wherein the blend has an unsaturation level, as determined by IR, and expressed as vinyls per 1000 carbon atoms, less than, or equal to, 0.5 vinyls per 1000 carbon atoms, and wherein the high molecular weight (HMW) ethylene-based polymer has a density from 0.925 to 0.950 g/cc.

Abstract: An exemplary plastic formulation is disclosed for the production of plastic bottles in a two-stage stretch blow-molding process, and includes at least 60% of HDPE (High Density Polyethylene) having a density of 0.941 g/cm3 to 0.965 g/cm3 and according to ISO 1133 a melt index 190° C./2.16 kg of 0.1 to 0.9 g/10 min. The HDPE contains a mono-modal or multi-modal HDPE having a second melt index 190° C./21.6 kg of 5 g/10 min to 50 g/10 min according to ISO 1133. A method is disclosed for producing a plastic bottle in a two-stage stretch blow-molding process using the plastic formulation.

Abstract: A packaging element formed from a plastic with an inorganic barrier layer with good penetration barrier effect against water vapour and gasses, where the packaging element is fitted with a coating generated in a vacuum with materials with the desired penetration barrier effect. The vacuum coating is over-lacquered to protect against abrasion and corrosion and to improve the mechanical stability.

Abstract: A device includes a first part having a co-molded first support, valve cover and elastic actuator, and a second part having an injection molded second support, valve seat, and variable-volume storage chamber pre-form. The pre-form is blow molded into a flexible pouch defining the variable-volume storage chamber. The one-way valve includes a semi-annular, curvilinear, relatively rigid valve seat defining axially-extending, opposing first marginal portions, and an axially-extending first mid-portion angularly extending between the opposing first marginal portions. A flexible valve member is superimposed on the valve seat and defines axially-extending, opposing second marginal portions fixedly secured on or adjacent to respective first marginal portions of the valve seat, and an axially-extending second mid-portion angularly extending between the opposing first marginal portions and superimposed onto the first mid-portion of the valve seat.

Abstract: Polyamide compositions and articles shaped therefrom have good dimensional stability and contain at least one novolac resin and nanometric flake structure filler material; the articles shaped therefrom, e.g., by injection molding, are useful in a various of applications, for example as engineering plastics.

Abstract: Preforms for use in injection blow molding processes and such processes are described herein. The preforms can have both a body and a neck wherein the external body diameter of the preform is at most 95% of the external neck diameter. The body comprises internal and external diameters that together form a sidewall, the thickness of which can be greater than 2.0 mm. Also disclosed is a mold for the injection molding of the preform described above.

Abstract: A container for a moisture-sensitive product. The container has an openable container body defining an interior volume for holding the product. More specifically, a rigid container defining an interior volume for holding a moisture-sensitive product, and comprising at least an inner layer and an outer layer, the inner and outer layers being coextruded layers, the inner layer comprising a polymeric material and a desiccant material, the outer layer comprising a moisture-barrier material.

Abstract: A basic container comprising a top, a substantially flat bottom and at least three substantially flat sides at an angle of substantially 90° with respect to the bottom, the basic container being leak-free except for a container head in the top with a filling/emptying opening and a means for providing a leak-free closure with a closure means, wherein the axis of the container head is at an acute angle with respect to the bottom; a process for the manufacturing thereof; a top cup adapted to be attachable to the top of the above-described basic container without obstructing the filling/emptying opening of the container head of the basic container; and a plastic container comprising the above-described basic container and the above-described top cup attached with attachable means to the basic container, wherein the top cup does not obstruct the opening of the container head.

Abstract: The present invention relates to a process for the production of polypropylene articles with improved response to a surface energy increasing treatment, wherein the polypropylene comprises a metallocene-catalyzed polyethylene. The present invention further relates to the use of metallocene-catalyzed polyethylene as an additive for improving the response of polypropylene to surface energy increasing treatments.

Abstract: A method of preparing a single layer hollow packaging by injection blow moulding, using a metallocene-produced polyethylene and produced by injection blow moulding, characterized in that said hollow packaging has an external and internal gloss of at least 30 and said metallocene-produced polyethylene has a density of from 0.910 up to 0.966 g/cm3 or up to homopolymer densities and a melt index MI2 of from 0.5 to 2.5 g/10 min. An article produced by such method is also disclosed.

Abstract: Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a syndiotactic propylene-based polymer.

Abstract: A cycloolefin resin composition which controls the flexibility of a cycloolefin resin and may be molded in an environment having a temperature exceeding about 140° C. is provided. A cycloolefin resin film, a cycloolefin resin preform and the like are provided utilizing the cycloolefin resin composition including two or more cycloolefin copolymer resins having Tg values different from each other by about 10° C. or more, and the storage modulus of about 120° C. (E?120) relative to the storage modulus of about 50° C. (E?50), namely E?120/E?50 is set within the range of about 0.15 to about 0.65.

Abstract: An injection moulded preform is disclosed which is then blown to form a bottle (16) for containing spices and other material which is ground before use. The preform is moulded with teeth (18, 20) which are on the inside of the part of the preform which constitutes the neck. A rotatable structure which fits onto the bottle has a core which fits into the neck. The core has external teeth which co-operate with the teeth (18, 20) of the preform to define a grinding gap.

Abstract: A chair comprising a combination of injection molded components. The combination includes a gas assist molded rear frame and a gas assist molded front frame. A seat is injection molded using regular injection molding. The seat joins the uppermost part of the front from to a mid-portion of the rear frame. In addition, four connecting rods are insert molded such that plastic jackets surround metal cores. The metal cores have fastening means integrated into their ends. Each of the connecting rods joins and abuts protrusions formed in and extending from the front and rear frames. All of the resin used to mold the frames, seat and connecting rods is a polycarbonate which provides a chair made of the combination with a crystal-like appearance.

Abstract: A syringe for use in a pressurized injection of a fluid includes a syringe barrel including a polymeric material having undergone expansion via blow molding. An inner diameter of the syringe barrel can, for example, be sufficiently constant (over at least a portion of the axial length of the syringe) that a plunger slidably positioned within the syringe barrel and in generally sealing contact with an inner wall of the syringe barrel can be used within the syringe barrel to generate a pressure of at least 1 psi within the syringe barrel. In several embodiment, the inner diameter of the syringe barrel is sufficiently constant to generate a pressure of at least 100 psi, at least 300 psi, or even at least 500 psi within the syringe barrel.

Abstract: A method and system for forming a wide mouth container using a single-step blow molding apparatus. The method and system uses a mold that is adapted to be used in a narrow mouth single-step blow molding apparatus. The method and system increases the number of cavities that can be used in the mold for forming wide mouth containers. This increases the amount of containers that can be made and reduces overall tooling and operational costs.

Abstract: A technical problem is to fully make up for a restricted upper limit to the preform body wall thickness. An object is to provide a bottle which is narrow-mouthed and yet has a substantially expanded body. The molding process comprises steps of: (1) injection molding a preform in the shape of a test tube taller than the bottle wherein the preform has a cylindrical mouth opening portion disposed in an upper part of the preform, and wherein the mouth opening portion of the preform serves also as a mouth opening portion of the bottle product; (2) thermally shrinking the preform from an initial height so that portions other than the mouth opening portion of the preform would have a height that is smaller than that of the bottle; and (3) setting this thermally shrunk preform in a blow mold and biaxially drawing and blow molding the preform into the bottle.

Abstract: The invention provides a multilayer container that comprises a polyglycolic acid layer and a thermoplastic polyester resin layer and is much improved in terms of gas barrier properties, heat resistance, moldability, transparency and durability, and its production process. Polyglycolic acid is used as a gas barrier resin. At the body and bottom, the thermoplastic polyester resin forms an inner and an outer layer, and an intermediate layer comprising at least one polyglycolic acid layer is embedded in the thermoplastic polyester resin layer. The opening end of the container is formed of a thermoplastic polyester resin layer alone, and the body is biaxially oriented. The multilayer container has heat resistance enough to stand up to hot-filling at 93° C. for 20 seconds.

Abstract: A wide-mouth container (1) has a body and a rim (3) defining an opening for the container, and is made of a material such as PET or PEN. The first step in its manufacture comprises injection moulding a preform (15) which has a rim (3) formed at its mouth and a continuous body-forming portion (120) extending across the preform from the inner periphery (21) of the rim. An injection-moulded handle (90) is then attached to the preform, with the handle having two opposed ends received respectively at different locations around the rim and being pivotable on the rim. The preform can then be stored or transported in this condition. In the final step, the preform after heating is placed in a moulding cavity (61) of a blow moulding apparatus (60) with the preform being located by means of the rim (3). The mould includes a recess (115) around the rim to accommodate the handle (90) attached to the rim (3) during the operation of the blow moulding apparatus.

Abstract: The present invention provides apparatus and methods for injection moulding polymeric cannulae from liquid polymeric materials. The method includes injecting pressurised liquid polymer into a mould cavity and into an overflow and forming a conduit by forcing pressurised working fluid through the solidifying liquid polymer into the overflow. The invention provides a mould for fluid-assisted injection moulding articles from polymeric materials, the mould comprising at least two parts defining a cavity having a conduit portion incorporating a needle portion; a channel for liquid polymer ingress; a channel for pressurised fluid ingress; and an overflow in communication with the conduit portion. The mould may incorporate a plurality of cavities. Preferably the volume of the overflow is equal to or greater than the volume of the conduit portion. Preferably the mould incorporates a separating means for separating the overflow from a cannula portion of an article formed in the mould.

Abstract: The present invention discloses a method for preparing containers by one-stage injection-stretch-blow-moulding with a resin comprising: a random copolymer of propylene (RCP) having a melt index of from 1.5 to 35 dg/min, an ethylene content of less than 6 wt % with respect to the weight of the RCP; and optionally a nucleating and/or a clarifying agent; wherein the preform injection temperature is larger than 200° C. and wherein the stretching and blowing temperature Tsb is limited to a very narrow range ?T of at most 15° C., said range being a function of the injection temperature Tinj.

Abstract: A method and a structure are disclosed for adjusting the distance between two preforms. Thus, the distance between two preforms is changed by adjusting the proportion in the number of two carriers on the track. In addition, the possibility of wear of the carriers is greatly reduced. Further, it is only necessary to prepare carriers of fewer sizes so as to satisfy the distance required by diverse different containers during fabrication.

Abstract: Injection stretch blow molded (ISBM) articles and methods of forming the same are described herein. The ISBM articles generally include a propylene-based impact copolymer.

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 composite mould set for use on a conventional type of injection-molding machine is made up of composite mold halves (10) which are mounted one on each platen (12) of the injection molding machine. Each mold half (10) carries an array of injection molding cavities (16) for molding preforms, and an array of blow molding cavities (18) for stretch blow molding of the preforms into a blow molded product. The respective cavities (16) and (18) are arranged so that they open in a common mold separation direction.

Abstract: A method of making a plastic container having a body and a finish with at least one external thread includes injection or compression molding a plastic preform having a body and a finish with at least one external thread, blow molding the body of the preform to form the body of the container, and either prior to, subsequent to or both prior and subsequent to blow molding the container body, expanding the injection or compression molded preform finish to form a container finish having at least one injection or compression molded external thread. In the preferred embodiments of the invention, the finish is expanded after the container body is blow-molded. The invention can be implemented to expand a narrow-neck preform or container finish to a wide-mouth preform or container finish.

Abstract: A blow moulding machine for blow moulding a container having an integrally formed handle; said container blow moulded from a previously injection moulded preform; said preform comprising a body portion and said integrally formed handle; said machine including a preform loading station at which said preform is oriented by a preform orienting apparatus.

Abstract: A method of making plastic preforms may include molding one or more preforms in an injection molding apparatus, moving the preforms into cooling tubes while the preforms are in a deformable state, and while the preforms are being cooled in the cooling tubes to a temperature at which deformation of the preforms is resisted, crystallizing a portion of the preforms.

Abstract: Process for making preforms made of two different materials wherein the first material (4) and the second material (22) are injected with nozzles having center axis that are not coaxial. Preferably the preforms comprise an inclusion of the second material within the lateral wall of the first material. The new preforms preferably comprises a bottom region (1c) and a lateral wall region (1b), wherein the bottom region is entirely made of the first material and the lateral wall region is generally made of the first material (4) with the exception of at least one volume (14) which is filled by the second material (22).

Abstract: A method of reheat blow molding a container includes the step of positioning a preform in a blow mold cavity with at least one of the walls having an opening with an anvil received therein for movement between a first position outside the cavity and a second position at least partially within the cavity. Further, expanding the preform within the cavity while moving the anvil from its first position to its second position so that the expanding preform forms a pocket for receiving a handle therein.