Continuous extrusion forming apparatus

US10207442B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-10207442-B2
Application numberUS-201514834618-A
CountryUS
Kind codeB2
Filing dateAug 25, 2015
Priority dateMar 21, 2013
Publication dateFeb 19, 2019
Grant dateFeb 19, 2019

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An apparatus of the present invention is a continuous extrusion forming apparatus comprising: a screw which carries a forming raw material in the horizontal direction, the screw being built in the screw part; and a mouth piece structure for extrusion forming, which is provided on the downstream side of a screw part, wherein the mouth piece structure has a horizontal channel for extruding the forming raw material flowing in from the screw part in the horizontal direction, an extrusion channel orthogonal to the horizontal channel, and an extrusion port provided at a tip end of the extrusion channel, and wherein a mouth piece structure holder which holds the mouth piece structure is provided with a turning means which freely changes the opening direction of the extrusion port between the horizontal direction and a floor facing direction.

First claim

Opening claim text (preview).

The invention claimed is: 1. A continuous extrusion forming apparatus comprising: a screw which carries a forming raw material in a horizontal direction, the screw being built in a screw part; and a mouth piece structure for extrusion forming, which is provided on a downstream side of the screw part, wherein the mouth piece structure has a horizontal channel for extruding the forming raw material flowing in from the screw in the horizontal direction, an extrusion channel orthogonal to the horizontal channel such that the extrusion channel is in fluid communication with the horizontal channel, and an extrusion port provided at a tip end of the extrusion channel, and wherein a mouth piece structure holder, which holds the mouth piece structure, is provided with a turning means, which freely changes an opening direction of the extrusion port between a horizontal direction and a floor facing direction, such that the turning means rotates the opening direction of the tip end of the extrusion channel between the horizontal direction and the floor facing direction with the screw in fluid communication with the horizontal channel. 2. The continuous extrusion forming apparatus according to claim 1 , wherein the mouth piece structure is provided with a pressure releasing device as a means for reducing the internal pressure of a mouth piece structure upstream part before the turning operation. 3. The continuous extrusion forming apparatus according to claim 2 , wherein the pressure releasing device is arranged on an extended line of the horizontal channel. 4. A method for producing a honeycomb structure using the continuous extrusion forming apparatus according to claim 1 , wherein the forming raw material is extruded in a state where the opening direction of the extrusion port is oriented vertically downward, and wherein a changing operation of the mouth piece structure is carried out in a state where the opening direction of the extrusion port is the horizontal direction.

Assignees

Inventors

Classifications

  • Die parts · CPC title

  • provided in or in the proximity of dies (B29C48/302, B29C48/31, B29C48/325 take precedence) · CPC title

  • Mounting or handling of the die · CPC title

  • using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support (B29C48/35 takes precedence) · CPC title

  • using screws surrounded by a cooperating barrel, e.g. single screw extruders · CPC title

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What does patent US10207442B2 cover?
An apparatus of the present invention is a continuous extrusion forming apparatus comprising: a screw which carries a forming raw material in the horizontal direction, the screw being built in the screw part; and a mouth piece structure for extrusion forming, which is provided on the downstream side of a screw part, wherein the mouth piece structure has a horizontal channel for extruding the fo…
Who is the assignee on this patent?
Ngk Insulators Ltd
What technology area does this patent fall under?
Primary CPC classification B29C48/11. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Feb 19 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).