B29C2045/0027

TAPE CARTRIDGE, TAPE REEL, AND METHOD OF PRODUCING REEL HUB
20230249941 · 2023-08-10 ·

[Object] To provide a method of producing a tape cartridge that includes a reel hub, a tape reel, and a reel hub, which are capable of achieving desired molding quality in single molding.

[Solving Means] A tape cartridge according to an embodiment of the present technology includes: a first flange; a second flange; and a reel hub on which a tape is wound. The reel hub is disposed between the first flange and the second flange. The reel hub includes a cylindrical metal ring and a molded body formed of a synthetic resin. The molded body includes a first resin portion formed on an inner peripheral surface of the metal ring and a second resin portion formed on an outer peripheral surface of the metal ring. The first resin portion includes a plurality of first recessed portions formed at intervals in a circumferential direction of the metal ring.

ANGLE GATING INJECTION MOLDING APPARATUS
20220126493 · 2022-04-28 ·

An angle gating injection molding apparatus is disclosed. The apparatus includes a gate axis misaligned with a cone axis of a nozzle tip.

Method for manufacturing a reducer wheel by overmolding
11718000 · 2023-08-08 · ·

A method for manufacturing a wheel integrated to a support shaft, including: making by overmolding, in a first material, of a wheelrim on the support shaft, the wheelrim having an upper face having a ribbed annular portion in which cells are formed, delimited by reinforcing ribs and having respective bottoms, making by overmolding, in a second material, of a crown on the upper face of the wheelrim, by implementing an injection in at least one injection point positioned opposite the ribbed annular portion, prior to the step of making the crown by overmolding, formation of a material deposit in at least one target cell, selected amongst the cells, so as to form a raised area with respect to bottom thereof, the injection of the second material at the injection point being performed opposite the raised area.

METHOD FOR MANUFACTURING AN IMPELLER

A method for manufacturing an impeller with a number of impeller blades and a cover disc covering the impeller blades. Plastic is injected into an injection mold using a cascade injection molding process to form the impeller. The injection mold has a number of shut-off nozzles to feed the plastic at various joint positions and different opening times. The number of shut-off nozzles is determined as a function of the number of impeller blades.

Footwear article forming process, and device for same

A footwear article forming process, and a device for the same are disclosed. The process includes: providing a forming mold set including an outer modular mold, an inner formation mold, and a footwear-forming space therebetween. The footwear-forming space comprises a footwear lower portion forming space and a footwear main portion forming space. Footwear article forming steps are as follows: injecting a pre-determined amount of a footwear main portion rubber material into a footwear main portion sprue channel, the footwear main portion rubber material being injected from a footwear main portion rubber injection opening into the footwear main portion forming space via a transfer injection channel; and placing a footwear lower portion rubber material into the footwear lower portion forming space.

PLASTIC BARREL, AUTOFOCUS MODULE AND ELECTRONIC DEVICE
20210349292 · 2021-11-11 ·

A plastic barrel includes an inner portion and an outer portion. The inner portion defines an interior space. The inner portion includes, in order from an object side to an image side, an object-side opening, a plurality of inner annular surfaces and an image-side opening. The interior space is configured for accommodating an imaging lens assembly, and the imaging lens assembly includes a plurality of plastic lens elements. The outer portion surrounds the inner portion. The outer portion includes a mounting structure. The mounting structure is disposed on a surface of the outer portion. The mounting structure is injection molded for mounting a planar conductive element and a wiring element. The mounting structure includes at least three gate traces, and the three gate traces are located on a surface of the mounting structure.

METHOD FOR MANUFACTURING CATHETER AND CATHETER MANUFACTURED BY THIS MANUFACTURING METHOD

A catheter includes an elongated shaft extending in a longitudinal direction and possessing an outer surface, the shaft possessing a distal end, a proximal end and a proximal portion which includes the proximal end, a transverse direction being perpendicular to the longitudinal direction, the elongated shaft being an elongated tubular body having a lumen formed therein, and a tubular hub fixed by insert molding to the outer surface of the shaft along the proximal portion of the shaft. The hub possesses a residual stress at one predetermined location of the hub that exceeds the residual stress of the hub at each of: (i) a first position distal to the one predetermined location, (ii) a second position proximal to the one predetermined location, and (iii) a third position being at the one predetermined location in the longitudinal direction and spaced apart from the one predetermined location in the transverse direction.

Method for manufacturing catheter and catheter manufactured by this manufacturing method

A catheter includes an elongated shaft extending in a longitudinal direction and possessing an outer surface, the shaft possessing a distal end, a proximal end and a proximal portion which includes the proximal end, a transverse direction being perpendicular to the longitudinal direction, the elongated shaft being an elongated tubular body having a lumen formed therein, and a tubular hub fixed by insert molding to the outer surface of the shaft along the proximal portion of the shaft. The hub possesses a residual stress at one predetermined location of the hub that exceeds the residual stress of the hub at each of: (i) a first position distal to the one predetermined location, (ii) a second position proximal to the one predetermined location, and (iii) a third position being at the one predetermined location in the longitudinal direction and spaced apart from the one predetermined location in the transverse direction.

Optical lens assembly

An optical lens assembly is produced by an injection-compression molding process. The optical lens assembly includes a lens body and an injection-molded structure. The lens body includes a first lens surface and a second lens surface opposed to the first lens surface. The lens body is divided into an optically effective zone and an optically ineffective zone. The injection-molded structure has at least one gate land in response to the injection-compression molding process. At least a portion of the optically ineffective zone of the lens body is covered by the injection-molded structure, and the injection-molded structure is assembled with and positioned by an external structure. Each of the first lens surface and the second lens surface is one of a multi-aperture lens surface, a lenticular lens surface, an aspheric lens surface, a flat lens surface and a freeform lens surface.

Plastic barrel, autofocus module and electronic device
11828922 · 2023-11-28 · ·

A plastic barrel includes an inner portion and an outer portion. The inner portion defines an interior space. The inner portion includes, in order from an object side to an image side, an object-side opening, a plurality of inner annular surfaces and an image-side opening. The interior space is configured for accommodating an imaging lens assembly, and the imaging lens assembly includes a plurality of plastic lens elements. The outer portion surrounds the inner portion. The outer portion includes a mounting structure. The mounting structure is disposed on a surface of the outer portion. The mounting structure is injection molded for mounting a planar conductive element and a wiring element. The mounting structure includes at least three gate traces, and the three gate traces are located on a surface of the mounting structure.