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Патент USA US2118207

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May 24, 1938.
J_ c_ LATHRQP
ROOFING
2,118,207
CONSTRUCTION
_
Filed April 28, 1936
1716.3.
INVENTOR.
r/lqk C LA TH/POP.
.
BY
MQ/LM
ATTORNEY-S -
Patented May 24, 1938
UNITE
2,118,207
ATENT orrice
STTES
2,118,207
I
ROOFING CONSTRUCTION
Jay C. Lathrop, Cincinnati, Ohio, assignor to
Lathrop Hoge Gypsum Construction Com
pany, Cincinnati, Ohio, a partnership com
posed of Jay .C. Lathrop and E. Clyde Hoge
Application April 28, 1936, Serial No. 76,801
8 Claims.
My invention primarily relates to a roo?ng
construction both from the assembly and method
standpoints.
It relates particularly to a con
(01. 108-1)
These and other objects of my invention which
will be set forth hereinafter or will be apparent
to one skilled in the art upon reading these
struction involving the use of slabs of insulating
speci?cations, I accomplish by that certain meth
material upon which a covering of slate or the
od and by that construction and arrangement
of parts of which I shall now describe a pre
like is ultimately to‘be laid.
The general construction utilized in the prior
art involved the use of a plurality of T sections
disposed with the stem of the T upwardly, the
stems de?ning the pitch of the roof. The blocks
or slabs of insulating material were then laid
on the ?ange portions of the T and were thus
supported only at their two ends and were spaced
apart at least by the thickness of the stem por
15 tion of the T section. This construction is sub
ject to several disadvantages. The fact that the
blocks or slabs must be separated requires the
use of a considerable amount of grouting, and
by virtue of the fact that the slabs are laid on
the ?ange portions of the T sections, a break
joint or staggered construction has been im
possible. Furthermore, on account of the fact
that the stem portion of the T sections projected
almost to the tops of the blocks, some of the
insulating qualities of the roo?ng were lost, due
to conduction of heat through the T sections.
In the past with the stem of the T section pro
jecting upwardly between the blocks and with
the presence of 1/2" to %" of grouting there was
at least a three percent chance that nails used
in fastening down the roo?ng covering would hit
the grout or the stem of the T.
In view of the above objections, it is an object
of my invention to provide a novel construction
in which the insulating properties of the slabs
are not decreased by conduction of heat through
metal portions projecting between the slabs. An
other object of my invention is to provide a roof
ing construction whereby the insulating slabs
40 may be positioned in staggered or break-joint
relationship. Another object'of my invention is
to provide a roo?ng construction in which the
slabs of insulating material have three points
ferred embodiment.
'
Reference isnow made to the drawing which
forms a part hereof and in which:
Figure 1 is a perspective view of a portion
of roo?ng, showing the position occupied by the
blocks or insulating material upon the supporting
‘channels, and showing also the manner in which
the insulating blocks are attached to the chan
nels.
15
Fig. 2 is a section taken along line 2-2 of
Fig. 1.
Fig. 3 is a detailed perspective view of an ex
emplary clip.
Fig. 4 is a cross sectional view taken on the 20
line 4-4 of Fig. 1.
I shall not describe the supporting structure
of the roof inasmuch as this forms no part of
my invention, and I have shown a portion there
of only diagrammatically in Fig. 4 to illustrate 25
my invention.
Brie?y, the roof skeleton to which I will apply
my invention may comprise a number of I-beams
I, disposed parallel or at right angles to the
eaves. To these members I, I fasten by rivet
ing, welding or otherwise, a plurality of ?anged
channel members 2. These members 2 are dis
posed with their ?anges 3 de?ning the plane
of the pitch of the roof and with the longitudi
nal axis of the members 2 at a right angle to the
beams I. I preferably space the channel mem
bers 2 one-half the length of a slab apart, so
that each slab will be supported at both its ends
and at its center section.
On the ?anges 3 of the channel members 2, I 40
lay the slabs 4 of insulating material, which are
preferably pre-cast blocks of gypsum or other
light weight cementum material. I prefer to
of support, whereby a minimum amount of re
start in the cave of the roof and I may utilize
inforcement is required.
an angle member 5, fastened as desired to the
It is a further object of my invention to pro
vide a roo?ng construction as above described,
in which the blocks may be laid very close to
gether, thus eliminating a considerable amount
of grouting on the job.
Generally speaking, it is an object of my in
vention to provide a novel roo?ng construction
which is more ef?cient from the insulating stand
point and decidedly more economical than any
construction heretofore used.
channel members 2. The member 5 may thus
provide a ledge, supporting the lowest row of
blocks 4. I lay the blocks as shown in Fig. l,
in close juxtaposition, with the dividing line be
tween adjacent blocks centered over one of the 50
channel members 2.
In fastening the blocks 4 to the channel mem
bers 2 I may use metal clips such as are shown
in Fig. 3. The clip 6 is of channel shape and
has two legs ‘I and 8. The legs ‘I and 8 are pref 55
2
2,118,207
erably of uneven length so that the leg 8 may
have a better connection with the blocks 4 than
it would if it were the same length as the leg ‘I
which is limited by the depth of the ?anges 3.
In practice, I prefer to place the clip 6 on
edge with the leg 1 extending behind the chan
nel 3 and the edge of the web and of the leg 8
resting upon the edge of a slab 4. I then drive
the clip edgewise into the insulating slab to a
position shown in Fig. 1. As shown in Fig. 1,
10 these clips are driven in substantially ?ush with
‘
4. A roo?ng construction comprising a plu
rality of ?anged channels positioned at an angle
with the horizontal with their ?anges presented
upwardly and de?ning the plane of the pitch,
slabs of precast gypsum laid on said ?anges in 10
break-joint relation, and clips driven into and
provide fastening means for an adjacent slab
ity of ?anged channels positioned at an angle
with the horizontal with their ?anges presented 15
upwardly and defining the plane of the pitch,
7
While I have described my invention as per
structural variants.
It is to be understood that different forms of
preferred embodiment may be made without
departing from the spirit of my invention, and
that the individual members, such as the clips
6 may be made'of varied shape Without depart
ing from the spirit of
invention.
Having thus described my invention, what I
claim as new and desire to secure by Letters Pat
cut, is:
V
1. A roo?ng construction comprising a plu
rality of ?anged channels positioned at an angle
with the horizontal with their ?anges presented
upwardly and de?ning the plane of the pitch,
35 slabs of insulating material laid on said ?anges
and clips driveninto and holding said slabs to
said ?anges.
2. A roo?ng construction comprising a plu
rality of ?anged channels positioned at an an
40 gle with the horizontal with their ?anges pre
sented upwardly and de?ning the plane of the
pitch, slabs of insulating material laid on said
?anges in break-joint relation, and clips driven
_ into and holding said slabs to said ?anges.
45,
?anges.
‘holding said slabs to said ?anges.
5. A roo?ng construction comprising a plural
taining to roo?ng structure, I do not intend to
be limited thereby, since it is apparent that my
invention may be employed in constructing walls,
ceilings or ?oors, and the Word “roo?ng” in the
20 following claims is intended to embrace such
30
slabs of pre-cast gypsum laid on said ?anges, and
clips driven into and holding said slabs to said
the edges of the slabs, but of course they may,
if desired, be driven but partway so as to also
farther up the roof.
15
with the horizontal with their ?anges presented
upwardly and de?ning the plane of the pitch,
slabs of insulating material laid on said ?anges
in break-joint relation, and channel shaped clips
driven into and holding said slabs to said ?anges.
6. A roo?ng construction comprising a plural 20
ity of ?anged channels positioned at an angle
with the horizontal with their ?anges presented
upwardly and de?ning the plane of the pitch,
slabs of insulating material laid on said ?anges
in break-joint relation, channel shaped .clips 25
driven into and holding said slabs to said ?anges,
and grouting between said slabs.
7. A roo?ng construction comprising a plural
ity of ?anged channels positioned at an angle
with the horizontal with their ?anges presented 30
upwardly and de?ning the plane of the pitch,
slabs of precast gypsum laid on said ?anges in
break-joint relation, channel shaped clips driven
into and holding said slabs to said ?anges, and
grouting between said slabs.
35
8. A roo?ng construction comprising a plural
ity of ?anged channels positioned at an angle
with the horizontal with their ?anges presented
upwardly and de?ning the plane of the pitch,
slabs of insulating material laid on said. ?anges, 40
and clips to hold said slabs to said channels, said
clips comprising channel shaped members dis
posed with one arm of said channel abutting the 7
rear face of a ?ange, and the other arm driven
into and embedded in said slab.
3. A roo?ng construction comprising a plu
rality of ?anged channels positioned at an angle
JAY C. LATHRJOP.
45,
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