Sieve
AssigneeOptnics Precision Co., Ltd.
InventorSeichin KINUTA
Life of this patent
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Abstract
In a sieve, unit blocks are arrayed along an up-down direction and a left-right direction. Each unit block includes elongated holes and short holes that are shorter than the elongated holes. In each of the unit blocks, the elongated holes include a first elongated hole extending along a first length direction and a second elongated hole extending along a second length direction intersecting an extension line running along the first length direction. Plural of the short holes are arranged in each of the unit blocks so as to be arranged between long edges of adjacent elongated holes of the elongated holes.
Claims8
A sieve comprising:
- unit blocks that are arrayed along an up-down direction and a left-right direction, each unit block including elongated holes and short holes that are shorter than the elongated holes, wherein:
- in each of the unit blocks, the elongated holes include a first elongated hole extending along a first length direction and a second elongated hole extending along a second length direction intersecting an extension line running along the first length direction;
- and
- a plurality of the short holes per row are arranged in each of the unit blocks so as to be arranged between long edges of adjacent elongated holes of the elongated holes.
Dependencies are inferred from the claim text.