B29C49/0685

Multilayered article comprising polypropylene impact copolymers, and method of making same

A polymer sheet includes a core layer containing a propylene impact copolymer (ICP), and a first additional layer comprising a first polymer composition. The propylene impact copolymer (ICP) in the core layer includes a matrix and a dispersed phase. The matrix comprises a polypropylene homopolymer or a propylene/alpha-olefin random copolymer which includes greater than 50 wt. % of units derived from propylene monomer. The dispersed phase includes a copolymer of ethylene and a C.sub.3-C.sub.8 α-olefin. The ICP has a first melting point being greater than 100° C. (e.g., in the range of from 100° C. to 130° C.) and a second melting point. The polymer sheet can also include a second additional layer containing a second polymer composition.

MALE ELEMENT OF A MOULD
20230405909 · 2023-12-21 ·

A male element (100) of a mould (10) for the compression moulding of a parison comprises: a die (110), extending along a longitudinal axis (A) and including a body (112) having, inside it, a longitudinal cavity (113) 5 extending along the longitudinal axis (A) and, at one end of it, a socket (111) in communication with the longitudinal cavity (113); a stretching rod (120), slidably inserted in the longitudinal cavity (113) and including a terminal portion (121) at one end of it, the stretching rod (120) being movable relative to the die (110) between a retracted position, in which the 10 terminal portion (121) is housed inside the socket (111), and an extracted position, in which the terminal portion (121) is extracted from the socket (111).

Storage system for storing objects of plastic material processed in a bottling line

A storage system for storing objects of plastic material processed in a bottling line (45) comprises: a plurality of drawers (4) configured to contain groups of objects (5); a frame (2) which defines a plurality of compartments (3) configured to house the drawers (4); a conveyor (8) movable in the storage system (1) itself and configured to access the compartments (3) in such a way as to withdraw and place drawers (4) from and into the compartments (4); a loading bay (11) having one or more loading compartments for receiving corresponding drawers (4) and having a loading manipulator (28) configured to place in the drawers (4) the loose objects (5) received from an infeed conveyor (29); an unloading bay (12) having at least one unloading compartment for receiving a corresponding drawer (4) and having an unloading manipulator (41) configured to place onto an outfeed conveyor (43, 44) the loose objects (5) stored in the drawer (4).

Polypropylene impact copolymers with low haze

The present invention provides an in-reactor solution that avoids costly blending and the use of metallocene elastomers. The inventive Ziegler-Natta polypropylene composition also includes additional components that may improve properties relative to a metallocene catalyzed elastomers. The invention is a clear impact polypropylene composition that is made in-reactor with Ziegler-Natta catalyst, and is suitable for a wide range of processes. Unlike other clear impact copolymers, it does not rely on high-shear processes or compounding with elastomers. The invention uses conventional polypropylene reactor technology to produce these compositions.

Hollow container and method for manufacturing hollow container

A single-layer hollow container includes: a resin composition that is formed of 60 to 90% by mass of polyolefin, 2 to 35% by mass of meta-xylylene group-containing polyamides, and 5 to 30% by mass of modified polyolefin. The meta-xylylene group-containing polyamides are dispersed insularly in the polyolefin, and in a case where each of a vertical length and a horizontal length of the meta-xylylene group-containing polyamide in an initial state is 1, the vertical length of the meta-xylylene group-containing polyamide in the hollow container ranges from 3.3 to 15.8 and the horizontal length ranges from 0.5 to 2.0.

Bottling line and method

A continuous cycle bottling line (1) for containers of thermoplastic material, comprises: a parison (4) moulding unit (3), a thermal conditioning unit (6) for the parisons (4); a blow-moulding unit (10); a filling unit (12) configured to receive the blow-moulded containers (11) from the blow-moulding unit (10) and to fill them with liquid or semi-liquid food products; a moulding unit (13) for making caps (14) of plastic material; a capping unit (15); a storage system (2) which is configured to contain the parisons (4) and the caps (14), which is interconnected with the units making up the line, and which defines inside it a controlled-atmosphere environment; the line defines an integrated system where the connections of the different units with each other and with the storage system (2) are located in a controlled-atmosphere environment.

Container manufacturing device
10730224 · 2020-08-04 · ·

A container manufacturing device having a preform manufacturing portion, a conveyor, a blow molding device, where the preform is to the blow molding device while maintain the residual heat from the preform manufacturing portion. The preform manufacturing portion includes a molding die and a feeder for supplying a molten thermoplastic resin to a cavity of the molding die. In the blow molding portion, liquid is used to mold the preform into a container of a predetermined shape.

Plastic container with a cut neck produced in a stretch blow-molding method

A plastic container with a cut neck is disclosed, which is produced by stretch blow-molding from a preform manufactured by plastic injection or plastic flow molding, and which immediately following production, or separated in space and/or time, is inserted into a mold cavity of a blow-mold tool of a stretch blow-molding device and with the aid of a blow-molding medium inflated and stretched according to the mold cavity. The preform is then shaped to form the desired plastic container by cutting off an excess section that includes an injection-molded neck part of the preform.

MALE ELEMENT OF A MOULD
20240017450 · 2024-01-18 ·

A male element (100) of a mould (10) for the compression moulding of a parison comprises a die (110) and a ducting system (117), located inside the die (110) to allow a cooling fluid to flow in the male element (100), wherein the die (110) comprises: a body (112); a liner (116) fitted round the body (112) and having an outside surface, acting in conjunction with a female element (200) of the mould (10) to delimit a forming cavity (20), and an inside surface in contact with the outside surface of the body (112), wherein the ducting system (117) is formed between the body (112) and the liner (116).

Stretch-blow molded plastic container and stretch-blow-molding method

A stretch-blow molded plastic container includes a container body. A container neck, adjoins the container body via a shoulder region and has a container opening. The container body and the container neck are mutually separated by a support ring, which substantially radially protrudes, runs circumferentially in at least some regions and which has a support ring underside. The shoulder region has a first shoulder section, which runs in immediate proximity to the support ring underside, and a second shoulder support, which is integrally connected to the first shoulder support and which substantially radially adjoins the support ring. In a stretch-blow molding method a support ring of a preform, which is placed into a mold cavity of a blow molding tool, is overblown during radial and axial stretching of the preform.