REINFORCING BODY OF FILTER ELEMENT
PURPOSE:To provide the inexpensive reinforcing body of a filter element. CONSTITUTION:The side walls 12a, 12b of the openings 12,... provided to the reinforcing body of a filter element are made parallel to the direction crossing an imaginary surface Y-Y at a right angle at every semicylindrical par...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To provide the inexpensive reinforcing body of a filter element. CONSTITUTION:The side walls 12a, 12b of the openings 12,... provided to the reinforcing body of a filter element are made parallel to the direction crossing an imaginary surface Y-Y at a right angle at every semicylindrical parts 11a, 11b or the entire surfaces thereof are made visible from the outside in said direction and narrow ridges 14,... 15,... obliquely crossing each other are provided to a support surface 13 to make the ridges 15,... discontinuous at both ends in the circumferential direction of the semicylindrical parts. Therefore, the reinforcing body becomes inexpensive because it can be molded by a single split mold. |
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