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Патент USA US2128424

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Aug. 30, 1938.
Filed Dec. 24, 1937
T 2 2
Patented Aug. 30, 1938
unrrso STATES
' Edward w. Marshall, Chicago,’ 111., assignor of
thirty-three percent to Anna Marshall and of
. ?fteen percent to Alice Berenice Alexander, both
of Chicago, Ill.
Application December 24, 1937, Serial No. 181,509
2 Claims.
(Cl. 4—173)
'I’hi's‘invention relates to an improved bathtub.
2 and 3 are enlarged detail sectional views
After extended use of‘the customary built-in vthereof, taken respectively on lines 2—-2 and 3-3
bathtub, it frequently occurs that the top edge of Fig. 1.
of the tub separates from the wall structure caus
ing a leak between the top- edge and the wall,
enabling water to ‘seep into the wall and produce
bers .of the wall.
.1 Fig. 5 is a partial sectional View, similar to that
It has been proposed to use attachingbrack'ets
and attachments for" connecting ‘the top edge of
10 the tub and the wall,v to avoid such separation
andleakage;.but these are objectionable, since
they cause addedexpense in the manufacture and
extra work and trouble in the installation, and
do not fully solve the dif?culty.
Fig. 4 is a partial sectionalview of the tub in- ,
stalled and secured to the vertical frame mem?
It is the main object and purpose of this inven
tion to provide a bathtub of the built-in type
v which comprises in one unitary tub structure all
of the essential means necessary for providing a
vof Fig. 4, but taken intermediate the frame mem
In the drawing my improved bathtub is illus
trated in its preferred form of construction, com
prising the customary main portion or body ill
from the upper edge of which extend the ledges
or shelf portions substantially horizontally out
wards, including the front and rear side ledges 15
II and I2, and the two end ledges l3 and I3’.
From the front ledge ll depends the front wall
or apron l4, integral therewith and depending
constantly secure and positively leak-proof con
down therefrom to the ?oor.
The rear ledge I2, and also one or both of the 20
and the wall, and thus obviate the necessity of
end ledges I3 and I3’, according to whether one
or both of the ends are built into the wall struc
20 nection between the upper part of the bathtub
using any separate and additional attaching
Another object of this invention is to provide
25 a built-in bathtub having integral ‘?ange means
at its upper end which is arranged and equipped
for conveniently and securely fastening the tub
to'the wall structure to remain ?rmly in position;
and is also arranged and equipped so as to pro
30 vide a positively leak-proof bonding connection
between the upper part of the tub and’the wall.
- A further object is to provide such a bathtub
with an integral mounting ?ange which is pro
vided with openings therein for substantially the
35 entire length of the ?ange, so that fastening ele
ments may be conveniently placed therethru into
the upright frame members of the wall, no mat
ter where these members may be located along
the ?ange, and these openings will also serve as
40 anchorage spaces for the ?nishing material of
the wall.
’ _
‘ These and various other objects and advantages
are attained with this invention, as will become
apparent from the following description, taken
in connection with the accompanying drawing in
which this invention is illustrated in its pre
ferred form of construction; it being understood
that various other arrangements and forms of
50 construction may be resorted to for carrying out
the objects and purposes of this invention.
In the drawing:
Fig. 1 is a perspective view of a bathtub em
bodying this invention in its preferred form of
55 construction.
ture, are provided with upwardly extending
?anges I6, and l‘! and I1’, respectively. These
upstanding ?anges are integral with their respec
tive horizontal ledges l2, and I3 and I3’. Slots
‘l8, and I 9 and I9’, are provided respectively in
said ?anges l6, and I‘! and I1’, and extend hori
zontally lengthwise thereof. Solidportions or
vertical ribs 20 are retained at the corner parts 30
of these ?anges, and similar solid portions or ribs
20' are left unslotted between the slots in said
?anges, apertures 2| being provided in said solid
portion or ribs, as best shown in Fig. 1.
The slots l8, l9 and I9’, provide openings along 35
substantially the entire length of the ?anges l6,
l1 and I1’, and more fully so when the apertures
2| are considered in conjunction therewith,
wherethru securing elements 22 can be conven
iently entered at any desired position along the 40
?anges, so that such securing elements can be
readily fastened into the studdings or vertical
frame members 23 of the wall structure, as such
members are usually spaced from 16 inches to 24
inches apart, and these elements can be conven 45
iently driven into said members no matter where
they may be located along the ?anges. The se
curing elements used in the slots are preferably
in the form of screws having laterally extending
heads 22’, as indicated in Fig. 4, so that the heads 50
may be turned horizontally and passed thru the
slots if desired.
Screws may likewise be extended ' '
thru apertures 2!, as indicated by the screw 24 in
Fig. 5.
It is preferred to provide grooves 25 additional
1y on the lower part of each ?ange, on the tub
side away from the frame member, and prefer
ably also to provide serrations 26 along said tub
side of each ?ange, as best shown in Fig. 3. The
slots extending longitudinally and substantially
thruout the length thereof and having solid por
tions therebetween provided with apertures, said
slots and apertures providing openings for receiv
ing securing elements to secure the tub to up
right wall members that may be located any~
where along the length of the ?ange means, said
?ange means also having groove means provided
therein, which with the slots and apertures are
adapted to receive the ?nishing material of the 10
wall to bond the top of the tub securely and leak
proof to the wall.
The use of this integral ?ange means on the
2. A bathtub consisting of a unitary structure
tub, with the openings provided thruout the
length thereof, and the securing elements fas- '‘ comprising a body portion including ledge means
extending substantially horizontally outwardly 15
15 tened therethru directly into the studdings or
from‘ its. upper end and having ?ange means ex
frame members 23, make a very secure anchor
tending substantially vertically upwardly from
age and support of the tub- onto the wall struc
ture which will endure for an extended length of ,the outer edge thereof, said ?ange means being
slots l8, l9 and I9’, and the apertures 2!, provide
openings thru which the ?nishing material of the
wall, for example plaster 21, is extended, as shown
in Figs. 4 and 5. This forms a'?rm bond there
with and provides a secure and positively leak
proof connection between the top part of the
tub and the material of the wall.
provided with slots extending longitudinally for
substantially the entire length thereof and having
The tub is constructed of cast iron, sheet steel, solid portions therebetween provided with aper
and the like; and it is provided with porcelain or ~tures, said slots and apertures providing openings
for receiving securing elements to conveniently
enamel on its interior and on the apron and the
secure the tub to upright frame members that
ledges, in anapproved manner, the ?anges how
time, and will also prevent any possibility of leak
20 age at this connection.
ever being left uncoated.
I claim:
1. A bathtub consisting of a unitary structure
comprising a body portion including ledge means
extending horizontally outwardly from its upper
end and having ?ange means extending substan
tially vertically upwardly from the outer edge
thereof, said ?ange means» being provided with
may be located anywhere along the length of the 25
?ange means, said ?ange means also having
groove means and serrations provided on the tub
side, which together with the slot means and
apertures receive the ?nishing material of the
wall, thereby bonding the tub fully leak-proof
to the wall.
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