close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3069158

код для вставки
Dec. 18, 1962 ‘
'
M. |_. JACOB
3,069,148
COIL SEPARATORS FOR ANNEALING STACKS
Filed Jan. 31, 1961
2 Sheets—Sheet l
5429.3
’
'
INVENTOR.
Maze/s L. JACOB
a
_
H14 Ar ran/45v
Dec. 18, 1962
M. L. JACQB
' 3,069,148
COIL SEPARATORS FOR ANNEALING STACKS
Filed Jan. 31, 1961
2 Sheets-Sheet 2
' £19. 4
v
(/4
[/5
'
f/¢
1691/7“ I Mm (FUN?
(
/3_
.
,
L/f
L/3
L/5 ‘
'/3
Man;
INVEN TOR.
Maze/s L .JA c05
H15 A r rakuEY
United States Patent-O?ice
1
3,069,148
Patented Dec. 18‘, 1962
2
FIG. 6 is a perspective view of a coil separator plate
3,069,148
COIL SEPARATORS FOR ANNEALING STACKS
Morris L. Jacob, Pittsburgh, Pa., assignor to Pittsburgh
with a modi?ed corrugated form.
~
\
FIG. 7 is a sectional view of the structure of FIG. 6.
Referring to FIG. 1 the coil separator 1 is made of
heavy plate in order to supply su?icient strength when
corrugated to support the coils being annealed at the
highest ‘annealing temperatures. The plate 1 is annular
Annealing Box Company, Pittsburgh, Pa., a corpora
tion of Pennsylvania
Filed Jan. 31, 1961, Ser. No. 86,201
4 Claims. (Cl. 266-5)
in form having an outer perimeter 2 and an inner central
This invention relates generally to separators for spac~
opening 3. The plate is corrugated, the corrugations
ing vertically adjacent coils in an annealing stack and 10 being- dispersed radially from perimeter 2 to central open
more particularly to the particular construction of such
ing 3 and since they are radial they of course, must be
separators.
tapered to accommodate the difference in the respective
There are many different forms of separators in the
circumferences of the perimeter 2 and- the central open~
present art. Most of these have spaced arcuate ribs
ing 3.
i
‘
some of which are faced with top and bottom face plates 15 _ - The corrugated structure shown in‘FIGS. 1 to 3 have
and others employ the ribs on opposite sides of a single
a rectangular cross section with ?at axially spaced alter
plate while a third group employ no plates at all but have
nate top surfaces 4 and bottom surfaces 5 providing for
the ribs secured by inner and outer rings. In service
the coil engaging surfaces when inserted between subja
the top and bottom face plates buckle between the ribs.
cent coils in an annealing stack. As shown in FIG. 2',
The outer ends of the ribs become loose and frequently 20 alternate corrugations 4 and 5 provide substantially verti~
extend into the path of the inner annealing cover which
cal walls 6 therebetween with the corners 7 rounded.
‘when caught thereon may topple the stack and/ or damage
These corrugations may vary in size, although it is pref
coils and equipment
erable to make the alternate corrugations 4 and 5 sub
v
Other separators comprise a planar series of spaced
stantially the same size so that an even distribution of the
radial ribs in the form of wedges tied together with con 25 hot‘ annealing gases may be exposed to the top of the under
centric rings which fail to hold the wedges togetheras
coil as well as to the bot-tom of the upper coil between
a unit.
_7 ‘ _'
‘
which the separator plates are inserted. Thus, as shown
in FIG. 1, the alternate corrugations _4 and 5 ‘are made
_
The principal object ofv this invention is the provision
of a separator made of a single integral annular plate
uniform and are substantially the same size. _
_
of uniform thickness having a central opening and radial 30 ‘ The channels v8 and 9 forming the interior of the alter
corrugations from the perimeter to the central openings.
nate'corrugations 4 and 5 must reduce in cross-sections as
This unitary plate being corrugated allows .half of the > - they approach the central opening 3 in order to provide
gases ?owing therethrough to be directly exposed to the
a uniform distribution of the ‘alternate corrugations in the
immediately lower coil and the other half to the immedi
complete circular ?at as shown in FIG. 1. The inner ends
ately above coil. There is nothing to get loose and; thus 35 10 and 1170f the channels 8 and 9 are limited in size, and
catch the inner annealing cover when placed or removed
if ‘they become too restricted to the ?ow of gases there'
from the annealing stack of coils. This large corrugated .
through, it is necessary to reduce the number of alternate
washer or annular ring is very simple in construction.
corrugations in the annular plate 1. Thus, the number
It is very rugged and can stand the rough treatment to
of alternate corrugations is limited not only'in their cross.
40
vwhich such plates are subjected. These attributes are
sectional size, but also the diameter of the central open;
conducive to the production of an improved and less ex
ing 3.
.
pensive separator.
>
FIGS. 2 and 3 show the modi?cation employing'thé
Another object is the provision of a separator made of
use of the upstanding radial reinforcing ribI1'2 each in
heavy annular plate with an opening in the center and
a selected of the alternate corrugations which in this in
corrugated to provide alternate transverse passages for
stance is each of the channels or corrugations. Each of
the-?ow of gases and has su?icient area to supportzopen
these upstanding radial ribs 12 as shown are solidbars
or closed wound coils under annealing temperature con
and are perferably made no less than the thickness of the
ditions and if the coil supporting surface on the corruga
plate 1. However, they may be made thicker than the
tions becomes small enough to mark the ‘coil ends then
plate I. ‘ The depth'of the upstanding reinforcing" rib 12
such small supporting surfaces recede from the place. of 50 is preferably slightly. less than the depth of the corruga
support to be effective only on that portion 'of the coil
tion between the alternate ?ats 4 and'5 as illustrated in
being supported will follow this receding surface and be
supported thereon. ‘This relieves this coil section and
all coil sections thereabove from“ a distribution of the
total weight of the coils'thereabove.
‘
-_
-
J
55
FIG. 2. _This'permits the coil engaging surfaces '4 and
5 to engage in ‘support of the subjacent coils and the up,
standing reinforcing rib 12 will not come into play unless
there ‘is a slight sag in thecorrugations of the plate 1.
As shown the difference in the depth of the upstanding
rinforcing rib 12 relative to the heightof its‘ channel may
Other objects and‘ advantages of the invention appear
hereinafter in the following description-and claims.
The accompanying drawings show for the purpose of
be as much as one-sixteenth inch with the corrugations
being anywhere up to seven inches deep.
exemplitioation without limiting this invention or the
claims thereto, certain practical embodiments illustrating 60 Referring to FIG. 3 the upstanding reinforcing rib 12
is actually shorter than the trough 11 as indicated in the
the principles of this invention; wherein
drawing. This permits the corrugations to actually pro
FIG. 1 is a perspective view of a corrugated coil sepa
tect the ends of the upstanding reinforcing rib 12 and
rator plate comprising this invention.
when the plate 1 is handled or moved or positioned the
FIG. 2 is a view of the edge of a corrugated coil sepa
65 ends of these upstanding reinforcing ribs are not likely
ra-tor plate having a reinforcing rib.
to become bumped or otherwise disturbed, and they func
FIG. 3 is a partial perspective view of the structure
tion solely to provide additional support for the weight
shown in FIG. 2.
of the coils when the annular separator plate 1 may sag
FIG. 4 is a view of the edge of a corrugated separation
somewhat due to continuous re-heating in annealing fur
plate having a reinforcing rib in the form of a channel.
naces.
FIG. 5 is a partial perspective view of the structure 70 Referring to FIG. 4 the alternate corrugations 13 and
shown in FIG. 4.
14 are larger than those illustrated in FIG. 2 and the
3,069,148
3
spectively, said ?ats at the top of said plate providing
upstanding radial reinforcing rib 15 is in the form of a
channel having its longitudinal ?anges secured to the
inner faces 16 and 17 of the alternate corrugations 13
and 174.,’ Since the alternate corrugations 13 and 14 are
materially wider they can afford to employ an upstanding
radial reinforcing rib in the form of a channel. The
channel itself tapers from the outer perimeter 2 to the
central opening 3 as shown in FIG. 5. The outer sub~
where they respectively meet the walls integral therewith,
at least vselected ones of said corrugations being provided
surface or web of the channel 15 forms a complementary
with an upstanding radial reinforcing rib secured thereto
a coil surface adapted to support a coil above said plate
and said ?ats at the bottom of said plate forming a coil
surface adapted to be supported by a coil immediately
below said plate, the coil surfaces of said respective top
and bottom ?ats having a rounded corner along each edge
coil engaging surface, and since the channel is made of 10 within the respective channels thereof to aid in support
ing said coils, said rib being an open-ended channel
;a plate material at least as thick as the plate 1, it may
member with its ?anges secured to the inmost surface of
be made to be substantially ?ush with the coil engaging
its respective channel and no higher than the depth of
surface of the alternate corrugations 13 and 14 as shown
its respective channel.
“in FIG. 4. If, however, it is believed unnecessary to
2. A separator plate to space adjacent vertically super
have the channels 15 support any weight they may be 15
made shorter to provide a clearance as illustrated in FIG.
2.
posed coils in an annealing stack subjected to the circula
tion of gases, comprising, in combination, a single in
Again, the corrugations '13 and 14 which employ the
U-shaped channel members 15 as the upstanding radial
reinforcing ribs, such members 15 are preferably made
tegral heavy annular plate of substantially uniform thick
ness and substantially free of plural weldments, said plate
being corrugated and having an inner central opening
shorter than the corrugations themselves, and thus they
and an outer perimeter‘, said corrugations extending sub
stantially radially between said opening and said perim
eter, each corrugation ‘comprising ?at and generally
are recessed from the perimeter 2 and the central open
ing 3 as shown in FIG. 5.
If it is desired to make the separator plate with more
‘corrugations this may be accomplished by employing
vertical walls to de?ne a channel substantially rectangular
25 in cross section,_ wider toward the perimeter and nar
rower toward said opening to conduct gases therethrough,
adjoining corrugations having one of said walls in com
mon and alternate corrugations having ?ats at the top
an arcuate shaped corrugation which substantially sim
ulates the sine 'wave as shown by the corrugations 18 and
19 in FIG. 6. However, such a corrugation provides‘ a
and bottom of said plate respectively in axially spaced
narrower surface engaging flat as illustrated in 20 and 21.
These narrow ?ats also diminish adjacent to the central 30 relation, said ?ats at ‘the top of said plate providing a
planar coil engaging surface of relatively extensive area
opening 3 as shown in FIG. 6. This corrugated struc
adapted to support a coil above said plate and said ?ats
ture which more nearly approaches the sine wave pro
at the bottom of said plate forming a planar coil engag
vides considerable strength in the structure of the cor
ing surface of relatively extensive area adapted to be sup
rug'ations and more corrugations may be ‘provided in an
annular plate of given diameter. Even though the coil 35 ported by a coil below said plate, the coil engaging sur
faces of said respective top and bottom ?ats having a
engaging surfaces 20 and 21 are smaller, they are more
rounded corner along each edge Where they respectively
‘in number and provide a good weight bearing surface
meet the walls integral therewith, at least one substan
that prevents ‘the marking of the ends of the coil whether
tially radial reinforcing rib secured in at least selected
‘it be loosely or tightly wound. corrugations of this
character need not be provided with upstanding rein 40 ones of said channels around said plate, said ribs being
lower in height than the depth of their respective chan
‘forcing ribs.
_
Although the reinforcing members 12 and 15 are shown
nels.
shorter than the length of the corrugations 4 and 5 they
3. VA separator plate as set forth in claim 2 character
may very well extend to the inner and outer edges of this
ized in that, it is circular and said corrugations are of
ring separator. The principal limitation is the smallness 45 substantially the same size, and said reinforcing ribs are
of the opening, as it is desired to promote free passage
bars spaced inwardly of said opening and perimeter and
of gases at the inner ‘and outer edges of the ring separator.
nearer said perimeter.
I v‘claim:
'4. A separator plate as set forth in claim 3, character
1. In a separator vplate to space 'adjacentrver'tically su
perpos‘ed coils in an annealing stack subjected to the
ized in that, the edges of the upper portions of said ribs
circulation ‘of gases, ‘comprising 'a unitaryannular plate
half of the radial distance between said opening and
are rounded and said ribs extend for at least about one
made of relatively heavy plate material which is corru
gated, 'said plate having an inner opening and outer
perimeter, said corrugations extending radially between
said opening and said perimeter, each corrugation hav
ing ?at and generally ‘Vertical walls to 'de?ne a substan
tially rectangular channel ‘in cross ‘section wider toward
the perimeter and narrower ‘toward said opening to con
duct gases ‘therethro'ugh, vadjoiningcorrugations having
one of said walls in common ‘and alternate corrugations
having their '?ats at ‘the top and bottom ‘of said plate re
said perimeter.
55
References Cited in the ?le of this patent
UNITED STATES PATENTS
1,581,488
2,671,656
Lewis _______________ __ Apr. 20, 1926
Winder _____________ __ Mar. 9, 1954
2,904,325
Jones et al. ______ _'_____ Sept. 15, 1959
2,981,530
Menough ___________ __ Apr. 25, 1961
Документ
Категория
Без категории
Просмотров
0
Размер файла
425 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа