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Патент USA US2405631

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Aug. 13, 1946.
2,405,631
c. w. A-r-rwobn
DRYING OVEN
Filed Aug._' 27, 1943
2 Sheets-Sheet 2
Fl.“v
O.
)NVENTORQ
CHARLES W.ATTWOQD ,
AT‘FORNEYS
/
2,405,631
Patented Aug. 13,‘ 1946
UNITED STATES PATENT OFFICE
2,405,631
DRYING OVEN"
Application
CharlesAugust
W. Attwood,
27, 1943,
Wayne,
Serial No. 500,228
5iClaims.
(01. 2-19-34)
‘
2
left and. rightv sides: of. a frame but showing‘ a
The" present invention: relates. to. oven. struc
tures for‘ use: in the drying of. painted articlesby
means of: light and heat rays, direct andre?ected,
somewhat different. arrangement of lights.
As shown, the frames are constructed of side
members ill of‘ double channel section of the
form indicated. in Figure 5, these being two
channel members of the form shown in my pend
ing application Serial No. 360,868, ?led October
frominfr'a-red producing lamps.
Ovens for this purpose have been in use for a
considerable period and usually consist of frames
of welded or bolted angle or‘ channel members
12, 1940,.and'being'f welded together‘back to'back.
carrying suitable lights arranged 'so as to con
By using this form: of channel member
form to the shape of the article and be‘ as near
10 throughout‘ and thefas'tening means shown, parts
the latter as possible.
may be ?rmly secured at any point along a chan
Such ovens do not readily lend themselves to
nel and'no slippage can occur.
'
changes when it is‘ desired to‘ use them for
As‘. stated; each frame comprises two double
articles of a different size and‘ shape and there
channel uprights l0 ?xed together at or near the
fore have‘ to be completely dismantled and re
15 upper ends by‘ a cross member I l which is shown
built or else scrapped or‘ set aside.
as‘ a single channel. though a double channel
Among the objects of the present invention is
member'm'ay be used. This cross member II is
even structure which provides for easily and
?xed to the side of uprights l0 by means of
quickly changing its size and light location so as
bent gusset plates l2 of the form shown in Fig
ures 6‘. and'l, the latter providing diagonal brac
ing to produce a quite rigid support, but addi
tional diagonal bracing is had by securing to the
to adapt it for‘ drying: of» articles either‘ larger or
smaller than that for‘ which the oven was orig
inally set up and also provides for‘ quickly and
easily relocating. the. light so as to‘ conform to
inner'sides. of members ill and to the cross mem
the new article.
Another object is‘ oven structure which lends
ber. II the short channel sections l3 to which by
itself to the use‘ of either overhead or. floor
mounted conveyor tracks or-rails.
; means of suitable brackets I 4 are secured the
Figure 1 is an end elevation. of a port of an
oven frame section, it being understood that the
bars 10 and the cross members I l, and the num
ber- of: lamps l6 carried by‘ each of the sections
willof course‘ be determined by the size and. con-'
conduits t5 carrying the lamps I6 and enclosing
the wiring therefor;
Other objectsand advantages will be; apparent
The conduits I5 are jointed and extend along ‘
to those skilled in. the‘ art upon reference‘. to the
the sections l3 and also may be secured for a
following description and the accompanying
‘80 portion of their length along the upright mem
drawings in which
oven consists of asamany' frame sections as may
be necessary to provide the required oven length.
tour of the article being dried.
.
The attachment of the section IE to the upright
I0 and to the cross member II is preferably
frame section.
through a hinged bracket, as indicated at IT, so
Figure 3 is a side elevation of a portion of an
that the angle to which it is placed may be
oven.
changed to suit the particular arrangement de
Figure 4 is a view in elevation of a frame sec
40 sired. Further, the hinged bracket used for se
tion indicating some of the changes possible.
curing the section to the cross member II is of
Figure 5 is a section on line 5—5 of Figure 2.
such form as to allow ‘the end of the section l3
Figure 6 is a perspective view of one of the
to project beyond the cross member, This per
brackets.
mits the use of a single length section for a great
Figure 7 is an enlarged view showing the at 45 number of arrangements.
tachment of a cross member.
The outer open channel side of the uprights
In the drawings, the oven structure is indi
ill may be used as indicated in Figure 2 for the
cated as comprising a plurality of substantially
mounting of a control box 2!! and for various
identical frames arranged to form a tunnel and
longitudinal conduits for bus bars and other elec
?xed together by longitudinal members. The 50. trical equipment, such as is indicated at 2|.
number of frames and their spacing will be de
In Figure 4 there is indicated a number of dif
termined by the length of oven and the number
ferent arrangements of the several parts of a
of lights required.
frame. For example, the cross member I I may
be near the top of the vertical members ID or it
Each of the frames is constructed as indicated
in Figures 1 and 2 which show respectively the 55 may be moved down to a lower position as indi
Figure 2 is a similar view of another port of a 35
2,405,631
3
4
cated at HA. Again, the oven may be made
narrower by moving the members [0 toward each
other as indicated at IDA. The lightsupporting
sections 13 may be moved up to some other posi
conduits and directed inwardly of the frame, the
hinged connection of the diagonal members per
tion such as ISA or may be lowered as indicated
3. An oven structure for drying articles by
means of infra-red light, consisting of a tunnel
at I3B, or additional light supporting sections
may be added as indicated at i3C so as to change
mitting the selection of an angle suiting the con
tour of the article being dried.
formed by ?xing to longitudinally extending
the light contour to suit a particular article.
members a plurality of inverted U-frames each
As indicated in Figure 3, the several frames are
of which consists of a pair of vertical members
?xed together by means of longitudinal members 10 formed of two channel members welded back to
30 ?xed to the top of uprights l0 preferably by
back, a channeled cross member adjustably ?xed
bent gusset plates 3! which provide sufficient di-. ,.. . to the sides of said vertical members and opening
agonal bracing to render the oven as a whole” downwardly, gusset plates at the junctions of said
su?lciently rigid. Further, the uprights It! may ‘i ';members, diagonal members, also of channel sec
be secured directly to a suitable ?oor 40 orto
other longitudinal members 4
able support.
_ ‘ I ?xed
_ to‘
‘ _ any
_
suite
‘ ' i"
tion opening inwardly of the frame, hingedly and
adjustably ?xed to said vertical members and in
the plane thereof and hingedly and adjustably
Now having described the invention and the ,
?xed to said cross member to one side thereof,
preferred embodiments thereof, it is to be under-i ' ‘ wiring conduits ?xed tothe open side of said di
stood that said invention is to be limited, not to
the speci?c details herein set forth, but only by
the scope of the claims which follow: -
agonal members, the ends of said conduits ex
tending along andjbeing'?xed to said vertical
and cross members, and lamps carried by said
Irclaim:
conduits and directed inwardly of said frame. '
1. An oven structure for drying articles by
4. In a drying oven using infra-red lamps for
means of infra-red light, consisting of a tunnel 25 drying the coating of articles, a lamp carrying
formed by ?xing to longitudinally extending
unit capable of being adjusted to arrange the
members a plurality of inverted U-frames each
lamps in approximately parallel relation with the
of which consists of a pair of vertical members
contour of the article, said unit consistingkof a
of channel section opening inwardly, a cross
pair of vertical members, a cross member, gus
member, also of channel section but opening v30 set plates, adjustable means for ?xing said plates
downwardly, adjustably ?xed to the sides of the
to said cross member and to said vertical mem
vertical members, diagonal members adjustably
bers to provide an inverted U-shaped frame of the
?xed to the inner faces of the vertical members
height and width required, relatively short chan
and to the side of said cross member whereby to
nel section members hinged to the inner faces of
be located in the plane of the vertical members,
said vertical members and inclined thereto means
wiring conduits extending along and carried by
for ?xing said short members to the side of the
said diagonal members, and suitable lamps car
cross member, wiring conduits attached to the‘
ried by said conduits and directed inwardly of the
inner faces of said short members and to said
frame,
"
cross member and infra-red lamps mounted on
2. An oven structure for drying articles by 40 said conduit and directed inwardly.
means of infra-red light, consisting of a tunnel
5. In a‘ drying oven using infra-red lamps‘for
formed by ?xing to longitudinally extending
drying the coating of articles, means for 'ar
members a plurality of inverted U-frames each of
ranging a plurality of infra-red lamps in a line
which consists of a pair of vertical members of
approximating the contour of the‘ article being
channel section opening inwardly, a cross mem 45 dried, said means consisting of a supporting frame
ber, also of channel section but opening down
of vertical side members and a cross member, a
wardly, adjustably ?xed to the. sides of the verti
cal members, diagonal members hingedly ?xed to
plurality of short members carried thereby, one
of which is ?xed in an inclined position to the
the inner faces of the vertical members and to the
inner face of a side member and another of which
side of said cross member whereby to be located 50 is ?xed to the ?rst short member and to the side
in the plane of the vertical members, wiring con
of the cross member.
'
'
duits extending along and carried by said diagoé
nal members, and suitable lamps carried by said
CHARLES W. ATTWOOD.
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