B29C33/444

Pallet having curved openings
11465802 · 2022-10-11 · ·

A pallet is taught having two openings on at least one side of the pallet, the two openings formed by a bisecting wall separating the openings. More specifically, at least one bisecting post creates a first opening and a second opening Each of the said first and second openings each have a convexly curved runner, said runner convexly curved along its width; and a concavely curved ceiling, said ceiling concavely curved along its width wherein the center point of the radius of the curved runner varies from the radius of the curved ceiling.

PREFORM MOLDING SYSTEM AND MOLD STACK FOR A PREFORM MOLDING SYSTEM
20170334093 · 2017-11-23 ·

A preform molding system is disclosed that includes a cavity half that is mountable to a stationary platen of an injection molding machine and a core half that is mountable to a moving platen of the injection molding machine. The preform molding system includes a mold stack assembly having a cavity portion and a core portion. The cavity portion is coupled to the cavity half and includes a cavity insert, and the core portion is coupled to the core half and includes a core insert, a pair of neck rings, and a stripper ring. The core insert has an undercut that defines an annular protrusion on an internal surface of a preform that is created in the mold stack assembly. The preform molding system is configured to permit in sequence, retraction of the pair of neck rings away from the core insert and ejection of the preform from the core insert via the stripper ring.

Stripping of a dip-moulded glove from a former

Glove stripping apparatuses for fully stripping a partially stripped elastomeric dip-moulded glove from a dip-moulding former comprises a gripper having first and second gripping members movable relative to each other, an abutment, an open space, and an actuation system. Also, production lines for producing elastomeric dip-moulded gloves, methods for fully stripping gloves from dip-moulding formers, and production line processes.

INJECTION MOLD WITH CENTERING DEVICE
20220234270 · 2022-07-28 · ·

An injection mold with a centering device includes a die-holding plate with a cavity-forming die unit, a core-holding plate with a core unit, and a stripping plate between the core-holding and die-holding plates. The centering device has a insert and a mount with a clearance, which is rotationally symmetrical about a center axis and is for receiving the insert. The insert has an opening for receiving the core unit and the insert and the clearance of the mount are insertable in a torsion-free manner in the clearance of the mount in at least three positions rotatable about a center axis of the insert, and the center axis of the clearance and the center axis of the insert overlie one another. A center axis of the opening of the insert is arranged eccentrically in relation to the center axis of the insert by an offset. The centering unit is arranged in the stripping plate.

MOLDED ARTICLE EXTRACTOR AND METHOD

A tread extraction assembly is provided. The tread extraction assembly includes a base frame, a first clamping assembly, and a second clamping assembly. The base frame defines a leading edge. The first clamping assembly includes a first clamp movable relative to the base frame. The second clamping assembly is coupled to the base frame and includes a second clamp positioned proximate to the leading edge. The tread extraction assembly also includes a linear rail and a linear bearing. The first clamping assembly is coupled to the linear bearing and movable along the linear rail by a linear actuator.

Method of preparing flexible deformable photonic crystal material for structural health monitoring

Disclosed is a method of preparing a flexible deformable photonic crystal material for structural health monitoring, comprising the following steps: washing a grating master template; preparing and assembling a mold; obtaining an assembled mold by printing a three-dimensional mold comprising an upper die and a lower die by use of a 3D printing device and installing the grating master template on the three-dimensional mold; obtaining a polydimethylsiloxane (PDMS) one-dimensional photonic crystal film by replicating a one-dimensional grating structure of a surface of the grating master template by pouring PDMS into the assembled mold; finally, obtaining the PDMS one-dimensional photonic crystal film with a one-dimensional photonic crystal structure on a middle surface and protrusion structures at both ends by demolding, wherein the PDMS one-dimensional photonic crystal film is the flexible deformable photonic crystal material. A mechanochromic photonic crystal film is prepared by using a master template with a photonic crystal structure, a process is simple and easy to operate, a preparation period of a mechanochromic material is greatly shortened, and a preparation cost is reduced.

Mold separation method
11413792 · 2022-08-16 · ·

A mold separation method includes the following steps: providing a mold separation device including a carrying mechanism, a scraping mechanism, and two separation mechanisms, wherein the scraping mechanism is disposed at an edge of the carrying mechanism, and the separation mechanisms are disposed at the edge of the carrying mechanism and are located on two opposite sides of the scraping mechanism; placing a first mold and a second mold bonded to the first mold on the carrying mechanism; causing the scraping mechanism to scrape off a spilled glue produced when the first mold is bonded to the second mold; and after scraping off the spilled glue, causing the separation mechanisms to pull open the first mold and the second mold so that the first mold and the second mold are separated from each other.

SLIDE MECHANISM, FIXING MOLD, MOVABLE MOLD AND MOLDING MOLD
20220219365 · 2022-07-14 ·

Provided is a sliding mechanism capable of moving a slider in at least two different directions with a simple structure. The sliding mechanism includes a guide body including a guide unit configured to guide a slider in predetermined directions; and the slider is guided by the guide unit to move in the predetermined directions. The predetermined directions at least include a first direction and a second direction which are different from each other, and the guide unit at least includes a first guide unit configured to guide the slider in the first direction and a second guide unit configured to guide the slider in the second direction.

Core system, use of the core system in the production of a fiber composite component and method for producing a fiber composite component

A core system for the production of a fiber composite component includes at least two core elements which are coupled to one another and are displaceable relative to one another. At least one core element has a surface which is oblique to a displacement direction. A method for producing the fiber composite component uses the core system.

MOLD SEPARATION METHOD
20210170638 · 2021-06-10 · ·

A mold separation method includes the following steps: providing a mold separation device including a carrying mechanism, a scraping mechanism, and two separation mechanisms, wherein the scraping mechanism is disposed at an edge of the carrying mechanism, and the separation mechanisms are disposed at the edge of the carrying mechanism and are located on two opposite sides of the scraping mechanism; placing a first mold and a second mold bonded to the first mold on the carrying mechanism; causing the scraping mechanism to scrape off a spilled glue produced when the first mold is bonded to the second mold; and after scraping off the spilled glue, causing the separation mechanisms to pull open the first mold and the second mold so that the first mold and the second mold are separated from each other.