초록 ▼

A method for making a screen filter, especially for filtering liquid or gaseous materials, in which the screen filter comprises a mounting ring or mounting element (10) and a filtering screen arranged on the mounting ring or mounting element. The filtering screen is composed of a mesh web fabric (15

A method for making a screen filter, especially for filtering liquid or gaseous materials, in which the screen filter comprises a mounting ring or mounting element (10) and a filtering screen arranged on the mounting ring or mounting element. The filtering screen is composed of a mesh web fabric (15) and can be connected to a basket-shaped support skeleton (16). The mounting ring (10) and the support skeleton (16) are injection-molded around the mesh web fabric (15).

대표청구항 ▼

1. A method of making a screen filter for filtering liquids or gases, said filter comprising a mounting ring and a screen element disposed thereon, said method comprising the steps of:feeding a length of mesh web fabric from a strip to a mold cavity of an injection molding machine and then severing

1. A method of making a screen filter for filtering liquids or gases, said filter comprising a mounting ring and a screen element disposed thereon, said method comprising the steps of:feeding a length of mesh web fabric from a strip to a mold cavity of an injection molding machine and then severing the mesh fabric, said mesh web fabric comprising a fabric produced from synthetic monofilament or multifilament fibers, and injection molding a mounting ring and a basket-shaped support skeleton of thermoplastic synthetic resin material around said mesh web fabric to configure the screen filter in the shape of a basket to give the filter an increased effective filter area and an increased moment of resistance to the liquids or gases being filtered, said basket-shaped support skeleton comprising a continuous longitudinal strap extending across a central region of said mesh web fabric.