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    • 2. 发明申请
    • Leak detector
    • 泄漏检测器
    • US20060280615A1
    • 2006-12-14
    • US10553457
    • 2004-04-08
    • Thomas BohmUlrich DobblerRalf HircheWerner Grosse Bley
    • Thomas BohmUlrich DobblerRalf HircheWerner Grosse Bley
    • F04B49/00
    • G01M3/202
    • A leak detector operating according to the counterflow principle comprises a first high vacuum pump that operates in series with a primary pump. A second high vacuum pump is branched at a connecting point and an entry side thereof is connected to a mass spectrometer. A light test gas in the form of helium flows through the second high vacuum pump in a direction opposite to a transport direction. A conduit connecting an inlet to the entry side of the first high vacuum pump is devoid of restricted flow zones and valves in such a way that the pumping capacity of the leak detector is high for helium, thereby reducing the response time thereof. A valve for blocking the conduit leading via the first high vacuum pump is arranged between the exit side thereof and the entry side of the primary pump.
    • 根据逆流原理操作的泄漏检测器包括与初级泵串联操作的第一高真空泵。 第二高真空泵在连接点处分支,其入口侧连接到质谱仪。 氦形式的轻质试验气体沿着与输送方向相反的方向流过第二高真空泵。 将入口连接到第一高真空泵的进入侧的导管没有限制的流动区域和阀,使得泄漏检测器的泵送能力对于氦是高的,从而减少其响应时间。 用于阻塞通过第一高真空泵引导的导管的阀布置在其出口侧和主泵的入口侧之间。
    • 3. 发明授权
    • Sheating laminate for an absorbent product, process for manufacture of
the sheathing laminate and absorbent product containing such sheathing
laminate
    • 用于吸收产品的涂层层压板,用于制造护套层压板的方法和含有这种护套层压板的吸收制品
    • US5990375A
    • 1999-11-23
    • US916294
    • 1997-08-22
    • Bengt LindquistThomas Bohm
    • Bengt LindquistThomas Bohm
    • A61F13/15A61F13/20
    • A61F13/15707A61F13/15699A61F13/512
    • The invention relates to a sheathing laminate for an absorbent product, such as a sanitary napkin, a diaper, an incontinence protector or the like, and which is to be used as a liquid permeable top layer, which, when the product is in use, faces the body of the user. The laminate (30) comprises a web (10) of plastic film, to one side of which are fixed two mutually spaced, longitudinal strips (14, 16) of non-woven material, while to the other side of the plastic film web (10)--in an area between the two strips (14, 16) on the opposite side of the plastic film web--there is fixed a longitudinal intermediate strip (26) of non-woven material. When used on an absorbent product, the laminate has perforations (42) at least within a portion of the area of the intermediate non-woven strip (26). The invention also relates to a process for manufacture of the sheathing laminate.
    • 本发明涉及一种用于吸收制品的护套层压板,例如卫生巾,尿布,失禁保护器等,并且其用作透液性顶层,当使用该产品时, 面对用户的身体。 层压板(30)包括塑料薄膜的网(10),其一侧固定有两个相互间隔开的无纺布材料的纵向条(14,16),而塑料薄膜的另一侧 10)在塑料膜腹板的相对侧上的两个条带(14,16)之间的区域中 - 固定有无纺材料的纵向中间条带(26)。 当在吸收产品上使用时,层压体至少在中间无纺布条(26)的区域的一部分内具有穿孔(42)。 本发明还涉及一种用于制造护套层压板的方法。
    • 6. 发明申请
    • Test gas leakage detector
    • 测试气体泄漏探测器
    • US20050066708A1
    • 2005-03-31
    • US10496718
    • 2002-11-12
    • Werner Grosse-BleyThomas BohmRalf Hirche
    • Werner Grosse-BleyThomas BohmRalf Hirche
    • G01M3/20
    • G01M3/202
    • The invention relates to a test gas leakage detector (1), comprising an inlet (2) for gases to be analyzed for the presence of a test gas, a test gas detector (22), a high vacuum pump system (15) connected to the test gas detector, an intermediate inlet (14) arranged on the high vacuum pump system (15) and used to supply the gases to be analyzed for the presence of a test gas, a fore-vacuum pump (8) connected to high vacuum pump system (15) and a line section (3, 6) fitted with a valve (5) and located between the inlet (2) and the fore-vacuum pump (8). In order to provide a device of the above-mentioned category which is quicker and more sensitive, another high vacuum pump (11) is provided between the inlet (2) and the intermediate inlet (14), having an outlet (12) which is connected to the inlet (7) of the fore-vacuum pump (8) by means of a line section fitted with a valve (17).
    • 本发明涉及一种测试气体泄漏检测器(1),包括用于待分析气体的入口(2),用于存在测试气体,测试气体检测器(22),高真空泵系统(15),其连接到 所述测试气体检测器,布置在所述高真空泵系统(15)上的中间入口(14),用于供应要分析的气体以存在测试气体;连接到高真空的前级真空泵(8) 泵系统(15)和装配有阀(5)并位于入口(2)和前级真空泵(8)之间的管线部分(3,6)。 为了提供更快更灵敏的上述类别的装置,在入口(2)和中间入口(14)之间设置另一个高真空泵(11),其具有出口(12),该出口 通过装配有阀(17)的管线部分连接到前级真空泵(8)的入口(7)。
    • 7. 发明授权
    • Process and leak detector for inspecting a plurality of similar test
bodies for leaks
    • 用于检查多个类似的测试体用于泄漏的过程和检漏器
    • US6021663A
    • 2000-02-08
    • US269128
    • 1999-03-19
    • Thomas Bohm
    • Thomas Bohm
    • G01M3/20G01M3/04
    • G01M3/202
    • A process is disclosed for inspecting a plurality of similar test bodies for leaks. The test bodies are first evacuated by a fore-vacuum vacuum pump (evacuation mode), down to a pressure P.sub.u, selected to ensure that the maximum admissible pressure in the mass spectrometer (5) is not exceeded when the measurement mode is switched on, and then the evacuation mode is switched to a measurement mode by opening the second valve (16). In order to shorten evacuation times, a learning process is used to determine the optimum switching pressure P.sub.u opt.
    • PCT No.PCT / EP97 / 03983第 371日期1999年3月19日 102(e)1999年3月19日PCT 1997年7月23日PCT公布。 第WO98 / 12529号公报 日期1998年3月26日公开了用于检查多个类似的测试体以进行泄漏的过程。 首先将试验体通过真空真空泵(抽真空模式)抽真空至压力Pu,以确保在测量模式打开时不超过质谱仪(5)中的最大允许压力, 然后通过打开第二阀(16)将撤离模式切换到测量模式。 为了缩短疏散时间,使用学习过程来确定最佳切换压力Pu opt。
    • 9. 发明授权
    • Leak detector with back-up pump
    • 泄漏检测器带备用泵
    • US5974864A
    • 1999-11-02
    • US981091
    • 1997-12-17
    • Thomas Bohm
    • Thomas Bohm
    • G01M3/20
    • G01M3/202
    • The invention concerns a gas leak detector (1) having an inlet (3) enabling connection to a test piece or test chamber, a detector unit disposed within the detector (4), a high-vacuum pump (5) which is connected at one end to the detector unit and through which a test gas, such as helium, passes in the opposite direction, a back-up pump (6), a line (9, 13) joining an outlet of the high-vacuum pump (5) with an inlet of the back-up pump (6), and a line (7, 9) joining the test-piece connector (3) to the high vacuum pump outlet. In order to reduce the complexity and expense necessary to produce the back-up vacuum, the invention proposes that line (13) is fitted with a throttle (14) and including a further line (15) which is fitted with a valve (16), said line directly joining the test piece (3) to the inlet of the back-up pump (6).
    • PCT No.PCT / EP96 / 01772 Sec。 371 1997年12月17日第 102(e)日期1997年12月17日PCT 1996年4月26日PCT公布。 公开号WO97 / 01084 日期1997年1月9日本发明涉及一种气体泄漏检测器(1),其具有能够连接到测试件或测试室的入口(3),设置在检测器(4)内的检测器单元,高真空泵(5) 其一端连接到检测器单元,诸如氦气之类的测试气体通过其相反方向通过支撑泵(6),连接高压电源的出口的管线(9,13) 具有备用泵(6)的入口的真空泵(5)和将试件连接器(3)连接到高真空泵出口的管线(7,9)。 为了减少生产备用真空所需的复杂性和费用,本发明提出,管线(13)装配有节流阀(14)并且包括装配有阀(16)的另外的管线(15) 所述管线直接将试件(3)连接到后备泵(6)的入口。