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Патент USA US3089507

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May 14, 1963
R. SCHWARTZ
3,089,494
PINLESS DIAPER
Filed Jan. 12, 1962
FIGURE 2
FIGURE 3
FIGURE 4
United States Patent 0
C6
3,089,494
Patented May 14, 1963
1
2
3,089,494
trated in FIG. 3. Portion 4, with the sealed adhesive
portion 5 exposed, is then folded over the wings and also
pressed into sealed engagement therewith fastening the
diaper as shown in FIG. 4.
lThB self-sealing adhesive can be applied directly to the
surfaces called for but preferably are fabric-like self
sealing adhesive pressure tape backing on the diaper
sheet. These self-sealing pressure tape backings are read
PHNLESS DIAPER
Robert Schwartz, Railway, N.J.
(1271 West?eld Ave, Union, NJ.)
Filed Jan. 12, 1962, Ser. No. 165,757
2 Claims. (Cl. 128-284)
This invention relates to improvements in pinless dia
pers. The diapers, because of their speci?c design, elimi
mate the use of buttons, pins, and other fasteners and can 10
be applied to the baby with little disturbance and can also
be simply and quickly removed.
ily available.
The structure of the diaper of this invention lends it
self to various ampli?cations. Thus, elastic materials
can be incorporated around the edges, if desired, for more
Self-sealing adhesives have been incorporated into the
secure ?t. Reinforcing absorbent materials can also be
diaper designs in .an attempt to improve their character
incorporated. If desired, waterproof materials can be
istics but the products have all been found wanting in 15 added onto one or both surfaces as long as the self-sealing
one characteristic or another.
This invention provides a speci?c design incorporating
mechanism is preserved. A variety of materials of con
struction can be used in the diaper sheet including, if
desired, readily disposable materials or ‘washable ones.
self-sealing adhesives in the diaper structure in a manner
adapted to overcome the prior art de?ciencies.
The diaper can also be readily removed by reversing
The speci?c design of this invention involves a pinless 20 the operations discussed above.
diaper comprising a sheet of absorbent material. From
The advantages of this invention are apparent. A dia
the crotch portion there is an upwardly extending portion
per of improved design is made available which avoids the
which is formed with oppositely extending wings. These
cumbersome problems inherent in the use of pins and
wings, which can be of varying length depending on size
lends itself for use by even the inexperienced.
desired, contain a self-sealing adhesive on both surfaces. 25
It is to be understood that this invention is not limited
This adapts the wings to be pressed into sealed engage
to the speci?c examples which have been offered merely
ment when one ‘Wing is folded over the other. A down
as illustrations and that modi?cations may be made with
wardly extending portion of the sheet is so designed as to
out departing from the spirit of the invention.
be adapted to be folded upwardly (against the abdomen
What is claimed is:
for a boy or in case of a girl in the back) and then down
1. A pinless diaper comprising a sheet of absorbent
wardly over the wings in sealed engagement. This latter
material having a crotch portion; ‘a portion of the diaper
downwardly extending portion contains self-sealing ad
extending upwardly therefrom‘ and formed with oppo
hesive only on the surface away from the abdomen (or
sitely extending wings, said wings containing self-sealing
back) in the unfolded position so that, when (folded over
adhesive on both surfaces so as to be adapted to be
the wings, it is adapted to be pressed into sealed engage 35 pressed into sealed engagement when folded over other
ment therewith thus holding the diaper in place.
self-sealing adhesive on the diaper; and a portion extend
In the accompanying drawing are shown illustrative
ing downwardly from the crotch portion adapted to be
embodiments of this invention:
folded upwardly against the body, and downwardly over
FIG. 1 is a top plan view.
the wings in sealed engagement, said portion containing
FIGS. 2, 3, and 4 are prospective views of the diaper 4-0 self-sealing adhesive only on the surface away from the
in various stages of being folded into place.
‘body thus adapting it to be folded over the wings and to
Referring now in detail to the drawing, \10 designates
be pressed into sealed engagement with the wings to hold
a diaper embodying the invention containing a crotch
the diaper in place.
portion v1. The baby is placed on the diaper with his legs
2. The diaper of claim 1 in which the adhesive is on
on opposite sides of portion 1. Extending upwardly from 45 pressure tape backings.
1 is a portion 2 containing oppositely extending wings 6
and 7. These contain self-sealing adhesive 8 and 9 on
both surfaces. Extending downwardly from 1 is portion
3. This contains adhesive at the lower portion thereof 4
50
only on the undersurface 5 away from the abdomen.
In fastening the diaper to the boy baby, the downwardly
extending portion 3 is folded upwardly against the abdo
men exposing 5 as shown in FIG. 2. The wings are then
placed into sealed engagement by being ‘folded over the
abdomen with the use of only mild pressure and as illus 55
References Cited in the ?le of this patent
UNITED STATES PATENTS
2,660,172
2,714,889
2,717,437
2,739,594
2,832,345
2,834,347
Tittle _______________ _. Nov. 24,
Chambers ____________ __ Aug. 9,
De Mestral __________ __ Sept. 13,
Baten _______________ __ Mar. 27,
Webb _______________ __ Apr. 29,
Connally ____________ __ May 13,
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