Inerting process for packaging covers and devices for carrying out said
process
    1.
    发明授权
    Inerting process for packaging covers and devices for carrying out said process 失效
    用于进行所述方法的包装盖和装置的过滤

    公开(公告)号:US5794408A

    公开(公告)日:1998-08-18

    申请号:US648086

    申请日:1996-05-28

    摘要: A method for inerting packaging covers, particularly industrial packaging covers, wherein the object to be packaged is placed on at least one composite sheet forming a packaging cover (100) which is completely sealed except for at least two apertures (201, 202) used both for extracting the atmosphere contained in the packaging cover and for injecting an inert gas (1), preferably nitrogen, into said cover; the atmosphere contained in the packaging cover is extracted through a first valve sealingly fitted to a first aperture (202), and inert gas is injected through a second valve sealingly fitted to a second aperture (201) in the cover; a parameter related to the relative humidity level within the packaging cover is continuously measured (11); and both the extraction of the atmosphere contained in the packaging cover and the injection of inert gas are stopped once the relative humidity level required by the customer has been achieved. All of the above steps are performed in such a way that a virtual balance is maintained between the pressure inside the packaging cover and the pressure of the surrounding atmosphere.

    摘要翻译: PCT No.PCT / BE94 / 00093 Sec。 371日期:1996年5月28日 102(e)日期1996年5月28日PCT 1994年12月7日PCT PCT。 公开号WO95 / 15887 日期:1995年6月15日一种用于使包装盖特别是工业包装盖的方法,其中待包装物体放置在至少一个复合片材上,所述复合片材形成完全密封的包装盖(100),除了至少两个孔(201 ,202)用于提取包装盖中包含的气氛并将惰性气体(1)(优选氮气)注入所述盖中; 通过密封地配合到第一孔(202)的第一阀提取包装盖中所含的气氛,并且通过密封地装配到盖中的第二孔(201)的第二阀注入惰性气体; 连续测量与包装盖内相对湿度水平相关的参数(11); 并且一旦实现了客户所要求的相对湿度水平,就停止包装盖中包含的气氛的提取和惰性气体的注入。 所有上述步骤以这样的方式进行,使得在包装盖内部的压力和周围空气的压力之间保持虚拟平衡。