B29C45/2614

Method for manufacturing resin pipe joint

A method for manufacturing a resin pipe joint with a joint body includes the following steps. Preparing a mold and a supply device configured to supply molten resin. The mold includes a first mold for an outer shape of the joint body and a second mold for an inner shape of the joint body. Combining the second mold with the first mold to form a cavity, into which the molten resin is injectable, inside the mold. Supplying the molten resin to the cavity in the mold. Solidifying the molten resin in the cavity after stop of the supply of the molten resin from the supply device. The second mold has a gap that connects the cavity to a discharge space outside the cavity and allows gas to flow.

Guide Rail, Device And Method For The Injection Moulding Of This Rail
20220281296 · 2022-09-08 · ·

The present invention relates to a guide rail, a device and a method for the manufacture thereof.

This rail (1) is remarkable in that it is made from an injected plastic material and in that it comprises at least one portion having the shape of a tubular profile (10) longitudinally split over at least one portion of its length, this rail able to be straight or curved in the shape of an arc of a circle.

Molded air intake system and method for internal combustion engines
11421615 · 2022-08-23 · ·

A Molded Air Intake System and Method for Internal Combustion Engines. The method of the present invention permits the single-shot molding of an air intake system, such as by roto-molding. The resultant air intake system has an internal pipe element and an external element, both of which are formed with superior molding tolerances. The internal pipe element is defined by an inner mold form that is insertable and removable from an external mold form. The final molded part defines an outer wall and an inner wall and an MAFS mounting pad having inner and outer apertures formed therethrough.

PERMANENT TOOLING FOR COMPOSITE COIL SPRING COMPRESSION MOLDING

An inner mandrel for forming a variable taper component includes a master insert and a plurality of interlocking pieces. The master insert includes opposed tapered edge faces, each tapered edge face defining at least one locking feature, a first surface having a variable taper and a plurality of recesses configured to receive a portion of the variable taper component, and a tapered second surface opposite the first surface. Each interlocking piece includes opposed tapered edge faces, one of the opposed tapered edge faces defining a locking feature and another of the opposed tapered edge faces defining a receiving feature to engage the locking feature of an adjacent interlocking piece, a first surface defining a variable taper and a plurality of recesses configured to receive a portion of the variable taper component, and a tapered second surface opposite the first surface.

INLINE MIXER DEVICE, METHODS OF MIXING, AND METHODS OF MAKING AN INLINE MIXER DEVICE
20220250018 · 2022-08-11 · ·

An inline mixer device includes a flexible tube and a mixer portion. The mixer portion is internal to and integral with the tube. The mixer portion and tube may be comprised of the same flexible material. Methods of forming the inline mixer device are provided. Methods of mixing fluid with the inline mixer device are provided.

DEVICE AND METHOD FOR MOLDING AN FPC AND A PLASTIC PART

Provided are a device and method for molding an FPC and a plastic part, which belongs to the field of FPC processing technology. The method for molding an FPC and a plastic part includes preprocessing a preform and connecting an FPC to the outer cylindrical surface of the preform; and forming a coating on the outer cylindrical surface of the preform by using the device for molding an FPC and a plastic part.

MEDICAL SILICA GEL STETHOSCOPE AND THE MANUFACTURING METHOD AND PROCESSING MOLD THEREOF
20210282737 · 2021-09-16 ·

A medical silica gel stethoscope, including a sound conducting pipe, the sound conducting pipe includes a U-section and a straight pipe section, said U-section and straight pipe section are molded integrally, and its manufacturing method thereof. The present invention also relates to a processing mold for said medical silica gel stethoscope. Technical effects of the present invention: 1) the U-section and straight pipe section of medical silica gel stethoscope of the present invention are molded integrally, so the inner wall of the pipe is free of seams, the sound conduction effect is better. The molding of the traditional splicing molded medical silica gel stethoscope requires at least three molds, whereas the one-step molded structure of the medical silica gel stethoscope of the present invention is easier for processing.

Method and system for manufacturing a family of intake manifolds for a family of internal combustion engines

A system for manufacturing a family of intake manifolds includes first and second intake molds. One of the first and second intake molds includes an outlet insert. A first intake manifold includes: a plenum chamber, a plenum chamber air inlet; a first number of intake runner passages; and the first number of outlets. Each of the outlets is fluidly connected to a corresponding one of the first number of intake runner passages. The second intake manifold includes: the plenum chamber; the plenum chamber air inlet; the first number of intake runner passages; and a second number of outlets. Each of the second number of outlets is fluidly connected to a corresponding one of the first number of intake runner passages. At least one of the first number of intake runner passages is not fluidly connected to any one of the second number of outlets of the second intake manifold.

PERMANENT TOOLING FOR COMPOSITE COIL SPRING COMPRESSION MOLDING

Tooling for use in forming a variable taper component is provided. The tooling includes an inner mandrel and an outer mandrel disposed around the inner mandrel. The inner mandrel includes a master insert defining opposed tapered edge faces, an external surface having a variable taper and a plurality of recesses configured to receive at least a portion of the variable taper component, and a tapered internal surface. The inner mandrel also includes a plurality of interlocking pieces arranged concentrically around the master insert, and a tapered inner sleeve disposed against the tapered internal surfaces of the plurality of interlocking pieces and the master insert. The outer mandrel defines a corresponding plurality of recesses configured to receive at least a portion of the variable taper component, wherein a maximum width of the interlocking pieces and the master insert is smaller than a minimum width of ends of the variable taper component.

HUBS FOR MEDICAL DEVICES
20210069463 · 2021-03-11 ·

A mold system for making a medical device includes a mold having a mold cavity for receiving a material; first and second core pins, each having a first lumen-defining section located, or otherwise configured for placement, in the mold cavity; and a spacer tool having a lumen sized for accommodating a first tube that is in a fixed position with respect to the mold, wherein a first end of the first tube is engaged with the first lumen-defining section of the first core pin, and wherein the spacer tool comprises a first section configured for placement in the mold cavity of the mold, the first section of the spacer tool having a first outer cross-sectional dimension that is larger than an outer cross-sectional dimension of the first tube.