Filter and manufacturing method thereof
AssigneeToyoda Boshoku Corporation
InventorsKouichi Oda, Minoru Honda, Takanari Takagaki
Life of this patent
Estimating the term…
Abstract
A filter portion of a filter includes a plurality of bag-like members. The bag-like members are formed in a container shape having an opening and disposed with intervals therebetween. The periphery of the opening of each bag-like member is supported by a supporting member, and the bag-like members are mutually connected by the supporting member. Consequently, the strength of the filter portion comprising the bag-like members is improved.
Claims7
A manufacturing method of a filter having a filter portion with a plurality of bag-like members, each bag-like member having a container shape and each bag-like member having an opening that is disposed a predetermined distance away from another opening, and a supporting member which supports a periphery of the opening of the bag-like members and connects each of the bag-like members, comprising:
- preparing a forming die provided with a forming surface which is formed in a shape corresponding to that of one side of the filter;
- and
- laminating fibers over the forming surface of the forming die, wherein the forming die is a permeable meshed die, the fibers are semi-molten when laminated over the forming surface of the die, the container shape includes at least one of a conical shape, polyangular conical shape, semispherical shape and a conical trapezoid shape.
Dependencies are inferred from the claim text.