B29C45/261

MOLDS, MOLD ASSEMBLIES AND STACK COMPONENTS
20220080637 · 2022-03-17 ·

An injection mold (100) including a core plate assembly (200), a cavity plate assembly (400) and a stripper plate assembly (300) arranged between the core and cavity plate assemblies (200, 400). The mold (100) includes a plurality of mold stacks (MS) with a molding configuration, in which the mold stacks (MS) are closed to define molding cavities. A gap (G) is provided between the core plate (210) and the stripper plate (310) when the mold (100) is in the molding configuration, such that a clamping load (CL) applied to urge the core plate (210) toward the cavity plate (410) is directed substantially entirely through the mold stacks (MS).

PLUNGER, INSTRUMENT, AND MOLD
20220112951 · 2022-04-14 · ·

Provided is a plunger including: a plunger body; a first surface configured to come into contact with an inner peripheral surface of the cylindrical member; a second surface disposed on a base end side relative to the first surface, the second surface having an outer diameter that is smaller than that of the first surface; an outer stepped surface disposed between the first surface and the second surface; a first housing disposed in an area at least partly corresponding to the second surface in the recess, the first housing being provided for housing a tip part of the pin; a second housing disposed on the base end side relative to the first housing, the second housing having an inner diameter that is smaller than a largest inner diameter of the first housing; and an inner stepped surface disposed between the first housing and the second housing.

A MOLD AND METHOD FOR MOLDING A BODYOR CAP FOR A CONNECTOR
20220063163 · 2022-03-03 ·

A mold for molding a body or cap for a connector. The mold comprises a mold body (1) and an axial core (2) which together define a mold cavity in the shape of the body or cap. The core has a sleeve (3) and an inner pin (4) each having complementary castellations (8, 10) which interdigitate in a first configuration. In the first configuration, the castellations (8, 10) are arranged such that respective recesses (11) are formed each bound by the proximal end of a first castellation (8) and the side walls of adjacent second castellations (10). Each recess has a shape to form a respective first portion of the body or cap. The sleeve (3) and inner pin (4) are axially movable to a second configuration in which the castellations (8, 10) are disengaged from one another. The inner pin (4) is rotatable to a third configuration in which the first castellations (8) can be axially withdrawn following a path occupied by the second castellations (10) in the first configuration.

PIPE JOINT AND MANUFACTURING METHOD OF PIPE JOINT

Provided is a pipe joint including a cylindrical hollow, wherein the wall thickness of a part having the largest wall thickness of the pipe joint is 2 to 7 mm, the ratio of the length of the hollow in the axial direction (L) to the diameter of the hollow (D), (L/D), is 5 or less, the pipe joint contains a copolymer containing tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, the content of the fluoro(alkyl vinyl ether) unit of the copolymer is 2.8 to 6.0% by mass with respect to the whole of the monomer units, the melt flow rate at 372° C. of the copolymer is 4.0 g/10 min or higher and lower than 11.0 g/10 min, and the number of functional groups of the copolymer is 50 or less.

MOLDING APPARATUS AND METHODS

A plastic molding system comprises: dispensing, pre-shaping and shaping cells and a transport subsystem. The dispensing cell has a station for dispensing a dose of plastic feedstock. The pre-shaping and shaping cells each comprise a plurality of stations for shaping the workpiece into a preform shape and into a final shape, respectively. The transport subsystem advances a workpiece along a selected one of a plurality of process paths to form a molded article. Each of the plurality of process paths is defined by a combination of stations of the dispensing cell, the pre-shaping cell and the shaping cell.

Sample cells for respired gas sampling and methods of manufacturing same
11116422 · 2021-09-14 · ·

A sample cell (10) for a respired gas sensor has a single-piece injection molded main body (40) defining a gas flow path including an optical sampling bore (42), a gas inlet lumen (50) connected with the inlet end (44) of the optical sampling bore, and a gas outlet lumen (52) connected with the outlet end (46) of the optical sampling bore. The gas flow path includes at least two curved walls (100, 102, 104, 106). The sample cell may be manufactured by assembling mold pins (120, 122, 124, 126, 128) for defining the gas flow path wherein at least two mold pins (122, 124) have curved surfaces for defining the at least two curved walls of the gas flow path, and injection molding the single piece injection molded main body including removing the mold pins after defining the gas flow path including the at least two curved walls.

PREFORM AND CONTAINER ADAPTED FOR ACCOMMODATING AN INSERT PIECE, WITH METHODS AND APPARATUS FOR THEIR PRODUCTION

The invention provides a mould core and injection moulding apparatus for the production of a preform using a mould core which in the zone for defining the neck part of the preform comprises a combination of a raised portion and a shallow groove with a depth of 0.01 to 1 mm provided in the raised portion, for defining an internal attachment means in the neck of the preform. The invention also provides a preform and a container made from the preform, with internal attachment means in the neck. The internal attachment means is carried out rotation symmetrically with respect to the longitudinal axis of the preform. The combinations with an insert piece, preferably a pouring spout, flexible hose or dosing cap, have also been described. Furthermore, the invention provides an injection moulding method for the preform production and a stretch blow moulding method for the container production.

Conduit connector and method of construction thereof

A conduit connector and method of construction thereof is provided. The conduit connector includes a body having a through passage extending between open opposite ends and a tubular male port section extending axially to an end face of one of the ends. The tubular male section has an outer surface configured for connection to a tubular conduit and an inner surface bounding at least a portion of the through passage. The end face has an outer annular first surface extending radially inwardly from the outer surface and an inner annular second surface extending radially inwardly from the annular first surface toward the inner surface. The annular second surface forms a counterbore that is recessed axially a first distance from the annular first surface, wherein an annular bead extends from one of the annular second surface or the inner surface, with the entirety of the annular bead remaining recessed below the annular first surface.

INJECTION MOLDING DIE
20210229332 · 2021-07-29 ·

An injection molding die of the invention, includes: a cavity die having a molding recess formed thereon, the molding recess molding a molded-product main body on which a design surface of a resin molded product is formed; and a core die that exists to be openable and closable with respect to the cavity die and forms a cavity having the molding recess between the cavity die and the core die, when the core die is closed and coupled to the cavity die, and the injection molding die is used in a resin molding method of causing a design surface of the resin molded product during molding to be brought into close contact with the cavity die by setting temperatures of the cavity die and the core die to be higher than or equal to a deformation temperature of a resin to be molded.

BUSHING FOR A MEDIUM VOLTAGE SWITCHGEAR
20210249161 · 2021-08-12 ·

A bushing for a metal clad medium voltage switchgear includes: a hollow body. The body is made of polyamide. A first end of the body connects to a compartment of the medium voltage switchgear. A second end of the body connects to a T-off and pin. In an embodiment, a body portion extends from the first end of the body to the second end of the body. The body portion is circular shaped about an axis extending from the first end of the body to the second end of the body.