Appeal No. 1997-2194 Page 13
Application No. 08/195,018
a circular removal opening (2a), a sealing surface (14) facing
the axis (A) of the opening and a stopper (3) for the closure
of the removal opening (2a) which has a cover plate (4), a
hollow plug (7) attached thereto with an outwardly facing
sealing beading (8), a drying agent cell (6) within the hollow
plug and a support element (10) by means of which the plug is
supported radially inwardly, wherein the support element is so
constructed that it abuts the hollow plug in a region axially
displaced away from the cover plate (4) with regard to the
zenithal line (15) of the sealing beading (8), whereas
axially, at the height of the sealing beading (8), between the
inner side of the hollow plug and the drying agent cell, even
when the stopper (3) is in a position permitting removal, an
annular gap (9 ) is present so that the hollow plug (7) is
radially inwardly elastically deformable in the region of the
sealing beading (8). Sacherer teaches (column 1, lines 17-30)
that
[t]est strips are used more and more for the
analysis of body fluids and especially of blood and
urine. Test strips are extraordinarily sensitive to
moisture, which means that packaging standards for these
are very high. In order to guarantee the necessary
storage stability, the test strip containers must be
practically completely sealed for a long period of time
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