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Патент USA US3024487

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Unite States Patent 0
,.
1C6
3,024,477
Patented Mar. 13, 1962
2
3,024,477
REINFQRCED EXTENSIBLE INSULATOR
Clair S. Reed, Wayne, Mich, assignor to Van Dresser
Specialty Corporation, Warren, Mich., a corporation
of Michigan
Filed June 8, 1960, Ser. No. 34,720
A.at’
?exible material of each binder is folded freely around
the adjacent end of said rectangular sheet and has sub
stantially ?at substantially parallel portions respectively
below the substantially ?at portions and above the return
bent portions of the rectangular sheet.
Another object is to provide an insulator wherein the
means for holding each binder against displacement in
It} €laims. (Cl. 5-354)
cludes substantially aligned spaced means extending
transversely of the rectangular sheet.
This invention relates generally to reinforced insulators
Another object is to provide an insulator wherein the
for use in upholstered assemblies, and refers more particu 10
rectangular sheet is preferably formed of burlap, the
larly to a substantially ?at horizontally extending elon
gated insulator for use between the padding and a sup
strands are preferably formed of wire, the binders at op
porting spring structure of an upholstered assembly.
posite ends‘ of the rectangular sheet are each preferably
One of the essential objects of the invention is to pro
formed of crepe paper, and the means for holding the
vide an insulator of the type mentioned wherein the
binders against displacement are preferably formed of
metal and are in the form of conventional type hog rings
that may be conveniently stapled to the binders and to
the ?exible material of the rectangular sheet.
Another object is to provide an insulator that is simple
insulator preferably includes a substantially rectangular
extensible sheet of ?exible material, and separate substan
tially parallel extensible reinforcing strands of substan
tially uniform length threaded loosely through said
20 in construction, economical to manufacture, and ei?cicnt ,
extensible rectangular sheet.
in use.
Another object is to provide an insulator wherein the
Other objects, advantages and novel details of construc
?exible material of said rectangular sheet and said rein
tion of this invention will be made more apparent as this
forcing strands have intermediate their end portions of
description proceeds, especially when considered in con
undulating form, so that said rectangular sheet and said
nection with the accompanying drawing wherein:
strands are extensible.
Another object is to provide an insulator wherein suc
cessive undulations respectively of said strands are dis
FIGURE 1 is a perspective view of an upholstered as
sembly provided with a reinforced extensible insulator em
bodying my invention and showing parts broken away and
posed alternately upon opposite surfaces of said rectangu
in section.
lar sheet and are disposed in vertically opposed relation
FIGURE 2 is a fragmentary top plan view of an in
to successive undulations of the ?exible material of said 30
sulator embodying my invention.
rectangular sheets
FIGURE 3 is an enlarged fragmentary top plan view
Another object is to provide an insulator wherein
opposite end portions of said strands are upon one of the
of the insulator, and showing parts broken away and in
section.
surfaces aforesaid of said rectangular sheet and terminate
short of and adjacent to opposite ends of said rectangular 35
FIGURE 4 is a longitudinal sectional view taken sub
stantially on the line 4—4 of FIGURE 3.
sheet.
Another object is to provide an insulator wherein
FIGURE 5 is a fragmentary elevational view of one of
the strands.
opposite end portions of the ?exible material of the
rectangular sheet are substantially ?at and are terminally
FIGURE 6 is a cross sectional view taken substantially
provided with open return bent or inwardly folded por 40 on the line 6—6 of FIGURE 5.
tions, and opposite end portions of the reinforcing strands
In the drawing, A is a substantially rectangular ex
have deformed portions preferably in the form of open
tensible insulator embodying my invention disposed be
return bent or substantially C-shaped portions.
tween a padding B for an exterior trim material C and
Another object is to provide an insulator wherein the
a supporting spring structure D of an upholstered as
end portions and the deformed portions of the strands are 45 sembly.
disposed between the ?at end portions and the return bent
As shown, the insulator A has a substantially rectangular
portions of the ?exible material of the rectangular sheet,
extensible sheet 10 of ?exible material, and separate sub
so that the deformed portions of the strands are covered
stantially parallel extensible reinforcing strands 11 of uni
by the open return bent portions of the ?exible material
form length threaded lengthwise through said extensible
of the rectangular sheet and are capable of being inter 50 rectangular sheet.
locked with the ?exible material of the sheet to resist
The ?exible material of said rectangular sheet 10 and
endwise movement of said strands bodily relative to
said reinforcing strands 11 have intermediate their ends
said sheet.
longitudinally extending portions 12. and 13 respectively
Another object is to provide an insulator wherein the
of undulating form, so that said rectangular sheet and said
?at end portions of the ?exible material of the rectangular
strands are extensible. Successive undulations 14 respec
sheet, the open return bent portions of said ?exible mate
tively of said strands are disposed alternately upon op
rial, the end portions of the reinforcing strands, and the
posite surfaces of the rectangular sheet 10 and are disposed
open return bent portions of said strands at each end of
in vertically opposed relation to successive undulations 15
the rectangular sheet have a common binder.
of the ?exible material of the rectangular sheet 10. Op
Another object is to provide an insulator wherein the 60 posite end portions 16 of said strands 11 are upon the
binder at each end of the rectangular sheet is preferably
upper surface of the rectangular sheet 10 and terminate
formed of ?exible sheet material and is held against dis
short of and adjacent to opposite ends of the rectangular
placement by means extending through the substantially
sheet.
?at end portions and the open return bent portions of the
Preferably opposite end portions 17 of the ?exible ma
?exible material of the sheet at points between the end 65 terial of the rectangular sheet 10 are substantially ?at
portions of the strands.
and are terminally provided with open return bent or in—
Another object is to provide an insulator wherein each
wardly
folded portions 18, and opposite end portions 16
binder is preferably formed from a material that is dif
of the reinforcing strands have deformed portions, pref
ferent than the ?exible material of the rectangular sheet
and comprises a separate strip extending transversely of 70 erably in the form of open return bent or substantially
the rectangular sheet.
C-shaped portions 19. The end portions 16 and the de
1 Another object is to provide an insulator wherein the
formed portions 19 of the strands 11 are disposed between
3,024,477
3
4
dulating form so that both said sheet and said strands
the ?at end portions 17 and the return bent portions 18
of the ?exible material of the rectangular sheet, so that
the deformed portions 19 of the strands are covered by
the open return bent portions 18 of the ?exible material
of the rectangular sheet and are capable of being inter
are extensible when subjected to a localized load.
locked with the flexible material of the rectangular sheet
2. The structure de?ned in claim 1, wherein successive
undulations respectively of said strands are disposed al
ternately upon opposite surfaces of said sheet and are
disposed in vertically opposed relation to successive un
to resist endwise movement of the strands bodily relative
dulations of said sheet.
3. The structure de?ned in claim 1, wherein opposite
to said rectangular sheet.
end portions of said sheet are terminally provided with
open return bent portions, and opposite ends of said
strands have deformed portions between and covered
by the opposite end portions and the return bent portions
of said sheet, the deformed portions of said strands being
capable of being interlocked with one of the portions
In the present instance, the ?at end portions 17 of the
?exible materialof the rectangular sheet, the open return
bent portions 18 of said ?exible material, the end por
tions 16 of the reinforcing strands 11, and the deformed
portions 19 of said strands at each end of the rectangular
sheet 10 have a common binder 20. Preferably each
binder 20 is folded freely around the ends of the rectan
aforesaid of said sheet to resist endwise movement of said
strands bodily relative to said sheet.
4. The structure de?ned in claim 3, wherein the end
portions and the return bent portions of said sheet and
gular sheet 10 and has substantially ?at substantially
parallel portions 21 and 22 respectively located below the
substantially ?at portions 17 and above the return bent por
the deformed portions of said strands at each end of said
tions 18 of the rectangular sheet 10.
Each binder 20 is formed of ?exible sheet material, 20 sheet have a common binder.
5. The structure de?ned in claim 4, wherein each bind
and the substantially ?at substantially parallel portions 21
er is formed of ?exible material and is held against dis
and 22 thereof are held against displacement by fasteners
placement by means extending through the end portions
23 extending through the substantially ?at end portions
and the return bent portions of said sheet.
17 and the open return bent portions 18 of the ?exible
6. The structure de?ned in claim 5, wherein each binder
material of the rectangular sheet at points between the 25
comprises ?exible material folded freely around an adja
cent end of said sheet, and wherein the folded material
end portions 16 of the strands. Preferably each binder
20 is formed from a material that is different than the
has substantially ?at substantially parallel portions respec
?exible material of the rectangular sheet 16 and comprises
a separate strip extending transversely of the rectangular
tively below an adjacent end portion of said sheet and
above an adjacent return bent portion of said sheet.
7. The structure defined in claim 6, wherein the sheet
is formed of burlap, the strands are formed of wire, the
sheet.
The fasteners 23 at each end of the rectangular sheet
10 are spaced apart and are substantially in alignment.
Such aligned spaced fasteners 23 extend transversely of
the rectangular sheet 10 at points substantially midway
binders are each formed of crepe paper, and the means
free edges 25 and 26 respectively of the substantially ?at
substantially parallel portions 21 and 22 respectively of the
8. An elongated composite insulator for use between
an overlying padding and an underlying supporting spring
for holding the binders against displacement are formed
between the respective folds 24 of the binders 20 and the 35 of metal.
structure of an upholstered assembly; comprising an elon
binders 20.
Although the various elements of my insulator may
be formed of any suitable material for the purposes set
gated horizontally extending sheet of burlap provided at
opposite ends thereof with substantially ?at portions and
provided intermediate said ?at portions with vertically
forth, the rectangular sheet 10 is preferably formed of
burlap, the strands 11 are preferably formed of wire, the
binders 20 at opposite ends of the rectangular sheet 10
are preferably formed of crepe paper, and the fasteners
23 are preferably formed of metal and comprise conven
extending alternately arranged upwardly and downwardly
opening curved portions, and horizontally extending sub‘
stantially parallel reinforcing wires threaded loosely
lengthwise through said sheet, said wires having portions
upon the ?at portions aforesaid of said sheet and being
tional type hog rings that may be conveniently stapled
provided intermediate the portions just mentioned with
to the binders 20 and to the ?exible material of the rec
vertically extending alternately arranged upwardly and
downwardly opening curved portions, the upwardly open
ing curved portions of said sheet being vertically opposed
tangular sheet 10.
Thus, from the foregoing, it will be apparent that the
insulator A is used between the padding B and the sup
porting spring structure D of an upholstered assembly,
to, spaced from, and capable of being ?exed toward down
wardly opening curved portions of said wires when sub
jected to a localized load, and downwardly opening curved
such for example a seat or seat back of a motor vehicle,
and that in use the opposed undulations 14 and 15 re
portions of said sheet being vertically opposed to, spaced
spectively of the strands 11 and of the rectangular sheet
10 will ?ex toward one another and thereby will permit 55 from, and capable of being ?exed toward upwardly open
ing curved portions of said wires when subjected to a
both of said elements, namely the rectangular sheet 10
localized load.
and the strands 11, to be longitudinally extensible to com
9. An elongated composite insulator for use between
pensate for localized loads imposed upon them by one
an overlying padding and an underlying supporting spring
or more seated persons. Such binders 20 not only facil
itate the handling and removal of the insulators A when 60 structure of an upholstered assembly; comprising an elon
gated horizontally extending sheet of fabric provided
arranged in a stack, but also serve effectively to protect
intermediate opposite ends thereof with vertically extend
ing upwardly opening curved portions and vertically ex
tending downwardly opening curved portions, and hori
the padding B of the upholstered assembly from the de
formed end portions 19 of the strands, and thereby pre
clude objectionable abrasion or tearing of such padding
B when the insulators are installed.
What I claim as my invention is:
65
zontally extending substantially parallel reinforcing
strands threaded loosely lengthwise through said sheet
intermediate the upwardly and downwardly curved por
tions thereof, said strands being provided intermediate
opposite ends of said sheet with curved portions, the up
elongated substantially horizontally extending sheet of 70 wardly opening curved portions of said sheet being ver
1. An elongated composite insulator for use between
an overlying padding and an underlying supporting spn'ng
structure of an upholstered assembly; comprising an
?exible material, and substantially horizontally extending
substantially parallel separate reinforcing strands threaded
tically opposed to, spaced from, and capable of vertical
movement toward curved portions of said strands when
subjected to a localized load, and the downwardly open
loosely lengthwise through said sheet, the ?exible mate
ing curved portions of said sheet being vertically opposed
rial of said sheet and said reinforcing strands having in
each instance intermediate their ends portions of un 75. to, spaced from, and capable of vertical movement toward
P
3,024,477
6
curved portions of said strands when subjected to a
tions capable of relative vertical movenient toward each
localized load.
other when subjected to a localized load.
'
10. An elongated composite insulator for use between
an overlying padding and an underlying supporting spring
References Cited in the ?le of this patent
UNITED STATES PATENTS
structure of an upholstered assembly; comprising an elon
gated horizontally extending sheet of ?exible material,
and horizontally extending substantially parallel reinforc
ing strands threaded loosely through said sheet, the flex
ible material of said sheet and said reinforcing strands
having in each instance vertically extending curved por 10
2,004,364
2,051,494
2,221,507
2,515,450
2,906,320
Best ________________ _- June 11, 1935
Mitchell et al _________ __ Aug. 18,
Clark ______________ __ Nov. 12,
Hull ________________ __ July 18,
Reed ______________ _- Sept. 29,
1936
1940
1950
1959
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