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    Fluid filter with pleated filter medium
    41.
    发明授权
    Fluid filter with pleated filter medium 失效
    流体过滤器带褶皱过滤介质

    公开(公告)号：US4710297A

    公开(公告)日：1987-12-01

    申请号：US845842

    申请日：1986-03-28

    Applicant: Mitsutoshi Suzuki ,  Yoshitaka Morita ,  Masami Okada ,  Jun Shimohara

    Inventor： Mitsutoshi Suzuki ,  Yoshitaka Morita ,  Masami Okada ,  Jun Shimohara

    IPC: B01D29/01 ,  B01D29/11 ,  B01D46/52 ,  F02M35/00

    CPC classification number: B01D46/521 ,  B01D29/012 ,  B01D29/111 ,  B01D46/0005 ,  B01D46/10 ,  B01D46/2411 ,  B01D2201/02 ,  B01D2201/12 ,  B01D2201/34 ,  B01D2265/06 ,  B01D2279/60

    Abstract: An air filter element consists of an annularly arranged pleated filter medium having a plurality of radially extending pleats. Two sides or legs of each pleat are bonded to each other at the outer peripheral side to form an outer bonded section while one sides or legs of the adjacent pleats are bonded to each other at the inner peripheral side to form an inner bonded section, thereby forming a fluid path extending between the adjacent pleats along the length of each pleat. Additionally, outer and inner resilient seal members are so provided that a part of each outer bonded section is embedded in the outer seal member while a part of each inner bonded section is embedded in the inner sealing member.

    Abstract translation: 空气过滤器元件由具有多个径向延伸的褶皱的环形布置的褶状过滤介质组成。 每个褶皱的两侧或腿部在外周侧彼此结合以形成外部接合部分，同时相邻褶皱的一侧或腿部在内周侧彼此接合以形成内部接合部分，由此 形成在每个褶皱的长度上在相邻褶皱之间延伸的流体路径。 此外，外部和内部弹性密封构件被设置成使得每个外部接合部分的一部分嵌入外部密封构件中，而每个内部接合部分的一部分嵌入在内部密封构件中。

    Structure of filter members
    42.
    发明授权
    Structure of filter members 失效
    过滤器结构

    公开(公告)号：US3937663A

    公开(公告)日：1976-02-10

    申请号：US476458

    申请日：1974-06-05

    Applicant: Pierre Etienne Bessiere

    Inventor： Pierre Etienne Bessiere

    IPC: B01D29/07 ,  B01D29/01 ,  B01D27/06

    CPC classification number: B01D29/012 ,  B01D2201/12

    Abstract: A filter structure comprising a support and a porous folded sheet having a plurality of cooperating groups of corrugations, wherein the folds of one group overlap at least in part the folds of the adjacent group and have a uniform thickness, length and substantially parallel fold apex lines. On opposed sides, the folded sheet has at least two borders each of which borders has a single group of folds terminating in a frontal edge located in a plane substantially perpendicular to the apex lines of the folds. The borders extend outwardly of the cooperating groups of the corrugations to form an area for contact with the support wherein the borders may be embedded by seal means.

    Filter element and method of making same
    44.
    发明授权
    Filter element and method of making same 失效
    过滤元件及其制作方法

    公开(公告)号：US3358843A

    公开(公告)日：1967-12-19

    申请号：US59856266

    申请日：1966-10-14

    Applicant: LUCIEN BOURDALE

    Inventor： LUCIEN BOURDALE

    IPC: B01D25/00 ,  B01D27/06 ,  B01D29/21 ,  B01D29/39

    CPC classification number: B01D29/395 ,  B01D25/001 ,  B01D25/24 ,  B01D25/26 ,  B01D27/06 ,  B01D29/21 ,  B01D2201/12

    Abstract: 912,517. Filters. BOURDALE, L. Oct. 21, 1960 [Oct. 22, 1959], No. 36263/60. Class 46. A filter element comprises two strips of filtering material 1, 2 joined at least along one longitudinal edge by e.g. an edge surrounding strip 4, and separated by an interposed strip 3 of which the two faces are furrowed with channels 5 opening into one of the edges of the element. An edging 6 of e.g. rubber, felt, wool or asbestos felt is provided to ensure liquid-tightness when elements are assembled in parallel around an evacuated space into which liquid is sucked through the elements as shown in Fig. 2. Alternatively a continuous pleated strip or superposed strips of element may be coiled helically Fig. 3 (not shown).

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