Title:
【発明の名称】ポンプ本体の改良と製造方法
Document Type and Number:
Japanese Patent JP2001512214
Kind Code:
A
Abstract:
A pump of the type comprising a substantially cylindrical body (1) in one piece provided, in its lower part, with a port (11) for admission of a product and with a valve constituted by a cavity (10) containing an element (2) capable of moving between a lower stop (12b) corresponding to the obturation of said admission port (11) and an upper stop (12a) corresponding to the opening of said port (11), and wherein said upper stop (12a) is formed by at least one discontinuous internal projection (12) whose transverse dimension (x) measured in the cavity (10) is at least equal to 20% of the largest transverse dimension of the mobile element (2).
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Inventors:
Bugamon, Jean-Louis
Dumont, Pierre
Lompec, Elve
Dumont, Pierre
Lompec, Elve
Application Number:
JP2000505420A
Publication Date:
August 21, 2001
Filing Date:
July 30, 1998
Export Citation:
Assignee:
Wrexham Sofab
International Classes:
B05B11/00; F04B53/10; F16K15/04; (IPC1-7): F04B53/10
Attorney, Agent or Firm:
Keiichi Ota