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Патент USA US2106516

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Jan. 25, 1938.
'
' A. CHENEY
2,106,516
SHOWER BATH AND PAN
Filed Aug. 27, 1936
Aka-4a r%
Patented Jan. 25, 1938
2,106,516
UNITED STATES '
PATENT OFFICE
2,106,516
SHOWER BATH AND’ PAN
Allan Cheney, Oynwyd, Pa.
Application‘ August 27, 1936, Serial No. 98,241
12 Claims. (Cl. 7-2-70)
The present invention relatesto improvements
A shower pan l5, which advantageously is of
in pans adapted to be embedded in the masonry sheet copper, is of any desired shape to conform
?oor of shower baths to provide a waterproof to the shape of the stall and is providedwith-up
_c0urse therefor; and the invention aims general
standing side ?anges l6 and end ?anges, Ilia.
5' ly to improve the construction of such‘ pans as The pan is laid over the course of blocks H and 5
well as the construction of the shower bath ?oor. isrembedded in a layer ofv mortar l1 above and
Heretofore in the construction’ of a masonry below the pan. The upstanding ?anges l6 and
?oor for a shower bath stall, it has been custom‘
Mia of the pan extend. upwardly. between the‘
_ ary to lay a sheet of lead on the masonry ?oor
walls l2 and Wainscot 13 sothat there will be no
10 to prevent the seepage of water therethrough. chance. of leakage at theedges of the pan, and. 10
It is very di?icult to lay' such a lead sheet free these ?anges ‘l6 may belbonded to the walls by- a.
from depressions or pockets which collect water layer of mortar. (not shown). Theusual tile; or
. seeping through the ?oor, to the end that the other suitable ?nish l8‘ maybe provided. for the
_ lead sheet soon disintegrates from a chemical
upper surface of mortar layer, or the upper sur15 action between the lead and the concrete ma
face of the mortarlayer' I1 may be trowelled l5
sonry.‘ Furthermore, the lead sheet is so soft and smooth as desired.
.
pliable that it must be laid carefully and. then
The pan I5. is advantageously formed with a
protected against deformation during the laying plurality of stiffening, ribs IS in» its surface to ‘re
ofthe-masonry ?oor, and great dif?culty has been
20‘ :experienced due to workmen walking on the sheet
before the masonry- ?oor is laid. Furthermore
the mortar of the masonry ?oor does not in any
way‘ adhere to- lead sheet and‘ when it expands
and contracts due to sudden changes from hot
‘'1 to cold water, cracking‘ and loosening of the-?oor
often results.
7
My invention aimsto overcome the above and
other disadvantages by providing a pan fabri
cated from a metal, such as copper, which will not
30.: rust or corrode, which will be mechanically keyed
to‘ the mansonry floor and provide an impervious
Waterproof course for draining any seepage to
the ?oor drain.
.
‘My invention will be better understood by ref
3s'z‘erence to the accompanying drawing illustra
tive of one preferred construction embodying the
invention and in which
Fig. 1 is a central sectional view of a ?oor of
a shower bath stall with my improved shower
40' pan installed therein;
~
"Fig. 2 is a fragmental perspective view of my
improved shower pan; and‘
Fig. 3 is an enlarged detail sectional view
through the pan on the line 3‘—3 inFig; 2.
45
In the illustrated embodiment of the invention,
inforce and stiifen the body of'the paniand pref
erably the sides of these ribsare inclinedor un
dercut as at 20 so as to securely bondwith- the
mortar l1. As herein illustrated the ribs 19 are.
shown asv dovetail ribs extending transversely of
the pan body, but it is to be understood thatthey
may be of other cross-section and may be other- 25
wise arranged in the body of the pan.
The bodyof the pan l5 between the ribs l9 con
stitutes water drainage grooves or'channels 2|
and preferably these channelsextend from the
marginal side ?anges l6 inwardly toward the. cen
ter of the panv l5 so as to drain any water that
may seep through the course. I‘! centrally of the
pan and towardv the drain. M. In the embodi
ment of the invention illustrated wherein the
ribs l9 are disposed transversely of the pan‘ I5,
the said ribsv may be ?attened centrally of the
pan to provide a relatively widedrainagechan
nel 22 communicating with all of the grooves 21.
When installing the pan, the workman has
merely-‘to cut an opening. as-at 23» in they body of 40
of building blocks H, as for exampleterra cotta
the pan to receive the drain l4 and to secure
the pan around. said opening tightly to the drain
M as. by clamping. A thin layer of mortar hav—
ing previously been. spread over the: course‘ ll
of blocks, the pan is ready to. be pressed into,
place. When so pressed into place, the lower
layer of mortar I1 fills the grooves formed. on
the under side of the ribs l9 and whenthe mor
blocks, commonly used by the building trades;
tar hardens the pan is securely bonded to. the,
the shower bath may be constructed upon a
masonryfoundation l0, over which is laid a course
50;’The size-of the’ stall may be de?ned by‘ vertical
walls l2, inside of which is the usual Wainscot l3,
whichmay beof marble, glass, the or other suit
able'material- A ?oor drain It may be embed‘
Av layer of mortar I1 is then spread over the.
body of the pan and then/?lls the spaces 21' of‘
dad.‘ in, the block course H at any convenient‘
55*? place. 1
When this'layer ofmortar' hardens,1the pan is
adequately secured to‘the foundation as a whole
course of blocks.
.
i
th‘e‘pan and completely embeds the body 45.
I
50
2
2,106,516
by reason of the mechanical bond a?orded by
the ribs and grooves.
As is well known, all masonry construction is
porous to some extent and permits the seepage
of water therethrough, and in the case of ma
sonry employing the usual building mortar, the
are adequately protected against seepage through
grooves to be drained to the ?oor drain.
5. A shower pan adapted to be embedded in a
cementitious ?oor of a shower bath stall hav
ing a ?oor drain comprising an impervious sheet
the room below by reason of the impervious non- .
metal body conforming to the shape of the stall
corrodible pan which collects all ‘seepage water
and ?tting the floor drain, the body of said pan
being formed with a series of alternate trans
verse ribs and grooves adapted to be embedded
in the mortar, said ribs being ?attened along
at least one section of the pan to provide a 15
seepage is relatively rapid. Shower bath stalls
constructed in accordance with my invention
and drains it to the drain l4 through small holes
in the sides of said drain. Furthermore the con
struction of the pan which provides alternate
15 ribs or grooves, produces considerable ?exibility
between the sides of the ribs so as to accommo
date expansion and contraction of the masonry
covering mechanically bonded to the pan, due to
sudden changes from hot to cold water, without
liability of cracking or loosening of the masonry
covering.
It is advantageous that the upstanding ?anges
l6 and Ilia of the pan be ribbed so that they
may be mechanically bonded to the walls l2 or
25 Wainscot l3 or both. In the illustrated form of
the invention, wherein the ribs l9 extend trans
versely of the body of the pan, the side ?anges
it may be integral with the body of the pan, but
the end ?anges advantageously are formed of
30 separate ribbed sheets secured to the end edges
of the pan bottom and side ?anges I6, as by
soldering. Advantageously, the ribs adjacent
the lower edges of the end flanges “3a are ?at
tened as at 24 so that they may be soldered to a
35 plain edge portion 25 of the pan bottom.
Pref
erably the ends of the end ?anges Ilia extend
around the corner adjacent the ends of the side
flanges and are secured thereto, so as to rein
force and strengthen the corners of the pan.
It will be apparent to those skilled in the art
that the invention is not restricted to the par
ticular shape or arrangement of the ribs or other
45
drainage valley communicating with all of said
grooves whereby water of in?ltration collected
in said grooves may be drained to the ?oor drain.
6. A shower pan adapted to be embedded in a.
cementitious ?oor of a shower bath stall which 20
is provided with a ?oor drain, comprising a sheet
metal pan conforming in shape to the stall and
formed with peripheral upstanding ?anges, the
body of said sheet being formed with trans
versely arranged alternate dovetail ribs and 25
grooves adapted to be bonded to said cementi
tious floor, and means establishing drainage
communication from all of said grooves to the
?oor drain.
I
7. A shower pan adapted to be embedded in 30
a cementitious ?oor of a shower bath stall which
is provided with a ?oor drain, comprising a sheet
metal pan conforming in shape to the stall and
formed with peripheral upstanding ?anges, the,
body of said sheet and ?anges being formed with 35
transversely arranged alternate dovetail ribs and
grooves adapted to be bonded to said cementi
tious ?oor, and means establishing drainage
communication from all said grooves to the?oor
drain.
40
_
8. A shower pan for shower bath stalls com
prising an impervious sheet metal body of sub
details of the speci?c construction shown which
is intended only as illustrative of the invention.
stantial area and provided with a drainage out
I claim:
1. A shower bath stall ?oor, a foundation, a
course of masonry above the foundation, and an
being provided on the upper surface with means
for mechanically bonding the sheet to a layer of
cementitious material, and for draining water
from all portions of its area toward said drainage
impervious metal shower pan embedded in and
mechanically keyed to said masonry course, a
50 drain outlet within the marginal edges of the
pan and means for draining water of in?ltration
from all areas of said pan to said drain outlet.
2. A shower bath stall comprising a founda
tion and vertical walls, a layer of cement over
said foundation, an impervious metal shower
pan embedded in and mechanically bonded to
said layer of cement and having peripheral in
tegral upstanding'?anges ?tting said walls, and
a wainscot ?tted to the walls and in part over
lying the ?anges'of said pan.
3. A shower pan adapted to be embedded in a
cementitious ?oor of a shower bath stall having
a floor drain, comprising an impervious sheet
metal body conforming to the shape of the stall
65. and ?tting the ?oor drain, said pan being formed
~ with a plurality of alternate ribs and grooves
for mechanical bonding engagement with the
cementitious ?oor above and below it, and‘ means
for draining the ‘water of in?ltration from said
70
being formed with a series of alternate trans
verse ribs and grooves adapted to be embedded in
the mortar, said grooves being intercommuni
eating in the region of the center of the pan to
permit water of in?ltration collected by said. U!
_
.
let Within the marginal edges thereof, said body
outlet.
'
9. A shower pan for shower bath stalls com
prising an impervious sheet metal body of sub
50,
stantial area provided with a drainage outlet
within the marginal edges thereof, said body be
ing provided on the upper surface with expan
sible means for mechanically bonding the sheet 55
to’ a layer of cementitious material whereby the
bonding means of the metal pan body may ex
pand and contractto accommodate expansion and
contraction of the cementitious layer, said ex
pansible bonding means being so constructed and 60
arranged as to permit drainage of water from all
portions of said pan toward said drainage outlet.
,10. A shower pan for shower bath stalls com
prising an impervious sheet metal body of sub
stantial area provided with a drainage outlet 65
within the marginal edges thereof, said body be
ing deformed to provide means adapted to eifect
a mechanical bond with a layer of cementitious
material and to permit drainage of water from
all portions of its area, toward said drainage
grooves to the ?oor drain.
'
4. A shower pan adapted to
cementitious ?oor of a shower
a ?oor drain comprising an
metal body conforming to the
be‘ embedded in a
bath stall having
wl1. Ashower pan for shower bath stalls com
impervious sheet prising an. impervious sheet metal body of sub- .
shape of the stall Y stantial» area .provided- witha drainage. outlet
outlet.
’
.
-
_
y
H
,
and ?tting the floor drain,'_ the body of said pan _, within the marginal edges thereof, said body be-x
2,108,518
ing deformed to provide means adapted to effect
a mechanical bond with a layer of cementitious
material on opposite sides thereof and to permit
draining of water from all portions of its area
toward said drainage outlet.
12. A shower pan for shower bath stalls com
prising an impervious sheet metal pan formed
with a bottom and upstanding side walls, said
-
3
bottom being of substantial area and provided
with a drainage outlet within the marginal edges
thereof, said bottom and side walls being pro
vided with means for mechanically bonding the
pan to layers of cementitious material and to
permit draining of water from all portions of its
area toward said drainage outlet.
ALLAN CHENEY.
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