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Патент USA US3029791

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April 17, 1962
3,029,781
C. P. STRAKOSCH, JR, ETAL
APPARATUS FOR COATING PREDETERMINED CONCENTRIC AREAS
Original Filed May 29, 1958
3 Sheets-Sheet 1
m9
INVENTOR
Cam“, IPMZ
62.4“; 5W}!
4:, 7m
April 17, 1962
c. P. STRAKOSCH, JR, ETAL
3,029,781
APPARATUS FOR COATING PREDETERMINED CONCENTRIC AREAS
Original Filed May 29, 1958
5 Sheets-Sheet 2
INVENTOR
“kwél K5
ATTORNEY
April 17, 1962
c. P. sTRAKoscH, JR., ETAL
3,029,781
APPARATUS FOR COATING PREDETERMINED CONCENTRIC AREAS
Original Filed May 29, 1958
3 Sheets-Sheet 3
I
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INVENTORS
Clarence P Strokosch,dr.
Edwin K. Smith,Jr.&
Harry A. Waiter
BY
A‘fTORNEY
United States Patent O?Fice
1
2
3,029,781
from the magazine, and are advanced to a station at
which the cover is held and predetermined areas thereof
are sprayed with an adhesive. The cover is then picked
up and conveyed to a position where it is a?ixed to the \
tray or receptacle.
APPZJKATUSI FGR C(PATING PREDETERMHNED
CQNCENTRHC AREAS
Clarence P. Stralrosch, .lr., Northvale, N.J., Edwin K.
§inith, .lr., Tarrytown, N.Y., and Harry A. Welter,
Akron, Ohio, assignors to Diamond National (Iorpora
tion, a corporation of Delaware
The present case relates only to the apparatus for
spraying the predetermined areas of the cover with an
Original application May 2%, 1953, der. No. 73%,6’73.
adhesive.
Divided and this application Jan. 20, 1959, der. No.
7%,65’5)
3,029,781
Patented Apr. 1'7, 1962
..
16 Claims. (i‘Cl. 1l8--315)
.
a
The package whose cover the present invention was
10 particularly designed to partially coat is shown in FIGS.
6 and 7. In FIG. 6, it may be seen that the package
23 comprises a receptacle or tray 24 having four side
The present invention relates to a coating apparatus,
and more particularly to a coating apparatus for apply
ing coating in ‘a particular pattern to an object.
This application is a division of our co-pending appli
cation Serial No. 738,673, ?led May 29, 1958 for “Pack
the chimney when the package is assembled.
aging.”
central cross-sectional View shown in FIG. 7, it will be
walls and an upstanding chimney 25 therein. The cover
2a? of the package 23 is of a size and shape to ?t upon
the tray 24, and has a hole 27 which communicates with
'
Coating apparatus is known wherein a work piece has
material such as paint or adhesive sprayed thereon in
a pattern; this pattern often coincides with an outline
In the
seen that the receptacle 24 and the cover 26 have out
wardly extending peripheral ?anges at their exterior edges
positioned on a conveyor which moved in an intermittent
and inwardly extending peripheral ?anges, about the chim- ,
ney opening.
The spray coating apparatus 16 is shown in FIGS.
manner past the spray station. Thus, the sprayed ma
terial was permitted to gather on the conveyor, neces
port 79, which is preferably constructed of multiple
of the work piece. Such apparatus had the work pieces
1 to 4.
sitating an undesirable cleaning operation after a period
pieces as shown. Support 7% has journalled therein a
cylinder 71 having an external ring 72 attached thereto
at its upper end. Overlying the upper end of cylinder
71 and external ring 72 is a support'plate 73 which is
connected to the external ring 72 by a pin 74. Sup
port plate 73 has an eccentric hole therein through
of use.
Other prior art coating apparatus have provided a
clamp for holding the work piece, which clamp was ro
tated in front of stationary spray guns. As will be ap
parent, only a circular pattern could be sprayed with
the apparatus.
An object of the present invention is to provide a coat
ing apparatus that will spray a non-circular pattern onto
a work piece held by a clamp.
which extends a supply pipe '76 which supports a spray _
gun 77 .at its upper end. An internal ring 78 is pin
connected by a bolt 79 with support plate 73, and has
secured thereto, as by welding, an internal cylinder 81
Another object of the present invention is the provision "
of a coating apparatus that will obviate the use of a con
veyor to hold the work piece, and will also apply a non
circular pattern.
A still further object of the present invention is to
provide a coating apparatus that will apply two coating
patterns simultaneously.
Yet another object of the present invention is the pro
vision of coating apparatus that Will apply two concen
tric coating patterns.
Other objects and the nature and advantages of the in—
stant invention will be apparent from the following de
scription taken in conjunction with the accompanying
drawings, wherein:
FIG. 1 is a sectional view of a coating apparatus in
accordance with the present invention and taken on the
line ll—l of FIG. 3;
FIG. 2 is a fragmentary sectional view of the coating
apparatus shown in FIG. 1 in an alternate position
thereof;
.
FIG. 3 is a sectional view taken on the line 3-42 of
FIG. 1;
In FIG. 1, there may be seen a columnar sup
which has secured to its lower end a ring 82 and lower
support plate 83. It will be understood that the cyl
inder 81, ring 82 and support plate 83 are secured to
gether in any convenient manner. Lower support plate
83 has an eccentric hole therein aligned with the, hole
in support plate 73, and the pipe 76 also extends through
‘the hole in support plate 83. Collar '73’vis fastened
by a set screw to pipe 76 and supports it and spray gun
77 at the proper height for spraying. Collar 83' keeps
The source
45 pipe 76 from freely moving up and down.
of supply for spray gun 77 is connected to a pipe ar
rangement 76’ by a ?exible hose, not shown.‘
Referring again to the upper end of cylinder 71, there
is positioned on the upper surface of support plate 73 a
slide plate 85 having a plurality of compression springs
86 positioned thereon and guided by pins 87 . The upper
ends of springs 86 yieldingly support an annular work
piece receiving member 88 having a planar upper sur
face. Attached to and depending from member 88 is
a cylinder 89 having an inwardly extending ?ange 90 at
the lower end thereof, ?ange S‘tl engaging with the‘ lower
surface of external ring 72 to act as a stop to limit up
FIG. 4 is a cross-section on line 4-4 of FIG. 1;
FIG. 5 is a plan View of the drive gearing for the ap
paratus;
FIG. 6 is an exploded view, in perspective, of the
package whose cover the present invention is particu
larly designed to coat; and
ward movement of member 88. A ?xed clamp member
91 is disposed above the member 28 for cooperation
60 therewith, as shown in FIG. 2. The clamp member 91
is stationary and is attached to the supporting frame.
Reciprocatory movement is imparted to cylinder 71
by means of a collar 92 ?xed to the lower end thereof,
FIG. 7 is a cross-sectional view of the package.
collar 92 having a groove into which extends a pair of
The present invention contemplates a portion of the 65 rollers 98 rotatabiy mounted at the ends of a pair of
machine as more fully described in parent application
levers 97. Levers @7 are rigidly secured to a rocker
Serial No. 738,673. in that application, a machine is
shaft 99 journalled in the supporting frame. One of
described which has a conveyor on which are trans
the levers 97 has an extension 93 for supporting a cam
ported a number of trays or receptacles ?lled with char
follower % which is in engagement with a cam 95 ?xed
coal, either in briquette form or in other form. There 70 to the cam shaft ‘37 (FIG. 5). A spring 96 attached
is also provided a magazine to hold a supply of covers
to extension 93 and the frame 39 constantly urges cam
for the receptacle.
Covers are removed one at a time
follower 94 into engagement with cam 95.
'
8,029,781
3
A
135 carrying in addition thereto a second gear 136 which
Rotary movement is imparted to cylinder 71 from a
rack 199 which is in engagement with a pinion 101
engages with a gear 137 which is ?xed to cam 133 and
ai?xed to a shaft 162 carrying at its upper end a gear
103 in mesh with a gear we carried by a shaft liiS.
purpose of the arrangement just described is to provide
On the lower end of shaft 195 is a gear 1% which is
in mesh with a gear 107 aflixed to the lower end of
a one~to~two movement of these spray guns with rela
tion to the remainder of the apparatus. Thus, on one
tending radially therefrom. Each of the arms 111, 112,
There has been provided a coating apparatus that will
clamp a work piece and spray two concentric patterns
thereon simultaneously, one circular and the other non
is also revolvably mounted upon cam shaft 37.
The
cycle of the machine, each of the spray guns 129 and
cylinder 71 above the collar 92. Thus, reciprocation
130 will start from a position midway of a ?rst side of
of rack 100 will cause rotary movement of cylinder 71
the generally square-shaped pattern above referred to, will
through this gear train. It will be noted that gear 105
has sufficient axial extent to insure engagement there 10 travel to and around a corner along a full side at right
angles to the ?rst side, around a second corner, and
with of gear 107 in any position of the latter which it
half way along the third side, which is parallel to the
may assume during the rcciprocatory movement of the
?rst side. On the next cycle of the machine each of
cylinder 71.
the spray guns will traverse the same pattern, but in the
A ?ange 110 (see FIG. 3) is integrally cast with sup
opposite direction.
port 70 and has four arms 111, 112, 113 and 1114 ex
113 and 114 has a horizontal slit therein and supports
a sleeve 115 (see arm 114 of FIG. 1) in which is jour
nalled a shaft 116 carrying at its upper end a sprocket
117. Gther sprockets 118, 119 and 12-3 are supported 20
circular.
This apparatus obviates the use of a con
veyor, thus requiring a minimum of shut-downs for clean—
ings. The parts thereof are so interconnected that they
in like manner, and in a common plane; a chain 121
may be driven at a high rate of speed.
is in operative engagement with the sprockets 117, 118,
The entire machine is driven by a main drive rim
119 and 120, and carries a pair of upstanding pins, one
which may preferably comprise an electric motor, not
of the pins 122 being shown near the sprocket 119 in
FIG. 1. The lower end of shaft 116 is connected by 25 shown. By means of a sprocket and chain arrangement
not shown, shaft 37 is rotated for actuating the coating
suitable universal joint means 124 with the shaft 10-5,
apparatus of the present invention.
so that upon reciprocation of rack 10%, chain 121 will
It will be obvious to those skilled in the art that vari
be caused to travel through its path de?ned by the four
ous changes may be made without departing from the
sprockets 117, 118, 119 and 120.
spirit of the invention and therefore the invention is
Revolvably mounted upon support 76 above the ?ange
not limited to what is shown in the drawings and de
110 is a yoke 125 having two oppositely extending arms
scribed in the speci?cation but only as indicated in the
126 and 126’ (as seen in FIG. 4). These arms are
appended claims.
identical, so that only one will be described. Arm 126
What is claimed is:
has a post 127 mounted thereon, and journalled upon
1. In a coating apparatus, a support, a cylinder ro
post 127 is a support bracket 128 which carries at its 35
tatably carried by said support, means for rotating said
outer end a spray gun 129. Spray gun 13b is supported
cylinder with respect to said support, a member carried
by identical mechanism on arm 126’. Each of the spray
by said cylinder and adapted to receive a workpiece, a
guns 129 and 130 has an axially extending socket in the
connection between said cylinder and said member
lower part thereof, which is concentric with the spray
whereby said member remains stationary when said cyl
nozzle, and the aforementioned pins 122 (of which there
inder is rotated, a spray gun, and means mounting said
are two) are received in these sockets. A source of sup
spray gun on said cylinder for rotational movement there
ply for spray gun 1r29 is connected to pipe 129' by a
with.
?exible hose, not shown. A similar arrangement is pro
2. The apparatus of claim 1, said means mounting said
vided for spray gun 130.
spray gun eccentrically of said cylinder.
It Will thus be seen that the chain 121 defines a path
3. In a coating apparatus, a support, a cylinder ro
which is generally square, and has rounded corners. This
tatably and reciprocably mounted on said support, means
is the exact shape of the external periphery of the cover
for rotating said cylinder with respect to said support,
26. As the chain is caused to move through its course,
means for reciprocating said cylinder with respect to
it carries the spray guns 129 and 130 along by virtue
of the two pins 122 in engagement with the sockets of 50 said support, a member carried by said cylinder and
adapted to receive a workpiece, a connection between
the spray guns, thus causing the spray nozzles to traverse
said cylinder and said member whereby said member
the same path as the chain. The spray guns are thus
remains stationary when said cylinder is rotated, a spray
caused to pull along with them the yoke 125 so that it
gun, and means mounting said spray gun on said cyl
rotates about support 70 and, in addition, because of
the rotational connection of bracket 128 with the post 55 inder for rotational and reciprocable movement therewith.
4. The coating apparatus of claim 3, said means mount
127, the spray guns 129 and 130 may occupy different
ing said spray gun eccentrically of said cylinder.
radial positions from the center of support 79 as they
5. In a coating apparatus, a support, a cylinder
traverse about the support 7 0.
mounted in said support for rotational and translational
When the cam 95 causes the lever 93 to raise the
movement, means for rotating said cylinder with re
cylinder 71, the member 88 will be urged upwardly by
spect to said support, means for reciprocating said cyl
the spring 86 to clamp a cover between the member
inder with respect to said support, a spray gun carried
88 and the stationary clamping member 91. In addition
by said cylinder with its axis parallel to the axis of
to spraying the exterior margin of the cover by the man
said cylinder, a ?rst clamp member supported axially of
ner noted above, rotation of cylinder 71 will cause ro
tation of eccentrically mounted spray gun 77 so that 65 said cylinder and in spaced juxtaposition therewith, a
second clamp member adapted to receive a work piece,
the inner circular periphery of the cover 26 is also spray
coated.
Upon continued rotation of the cam 95, the
member 88 will be lowered to release the cover that has
been sprayed.
and means mounting said second clamp member on said
cylinder for translational movement therewith, said means
permitting relative rotational movement between said
The end of rack 100 opposite to that which engages 70 second clamp member and said cylinder whereby, when
said cylinder is reciprocated toward said ?rst clamp mem
with pinion 101 carries a cam follower 132 which en
gages with a groove in the face of cam 133, as best
shown in FIG. 5. Cam 133 is rotatably mounted on
ber, said work piece becomes clamped between said clamp
members.
6. The apparatus of claim 5, said spray gun being
cam shaft 37 and is driven by means of gear 52 engag
ing with a gear 134 on counter shaft 135, counter shaft 75 mounted eccentrically of said cylinder axis.
3,029,781
5
7. In a coating apparatus, a support, a cylinder
mounted in said support for rotational and translational
movement, means for rotating said cylinder with respect
to said support, means for reciprocating said cylinder
with respect to said support, a spray gun carried by said
cylinder with its axis parallel to the axis of said cyl
inder, a ?rst clamp member supported axially of said
cylinder and in spaced juxtaposition therewith, a second
6
11. In a coating apparatus, a support, a rotatable
member having an axis mounted on said support, a ?rst
spray gun, means to mount said ?rst spray gun on said
member so that said ?rst spray gun will move in a
circular path about said axis, a second spray gun, means
to mount said second spray gun on said support, means
to move said second spray gun along a path comprising
?rst and second lines at right angles to each other in a
clamp member adapted to receive a Work piece, means
plane transverse to said axis and a single driving shaft
mounting said second clamp member on said cylinder 10 actuating the movement of both said ?rst and second
for translational movement therewith, said means per
spray guns.
mitting relative rotational movement between said sec
12. The apparatus of claim 11, and clamp means for
ond clamp member and said cylinder, whereby, when
holding an article to be sprayed in juxtaposition with said
said cylinder is reciprocated toward said ?rst clamp
spray guns.
member, said work piece becomes clamped between said 15
13. In a coating apparatus, a support, a rotatable
clamp members, a plurality of sprockets mounted on
member having an axis mounted on said support, a ?rst
said support exteriorly of said cylinder with their axes
spray gun, means to mount said ?rst spray gun on said
parallel to said cylinder, a chain on said sprockets,
member so that said ?rst spray gun will move along a
sprayer means rotatably mounted on said support for
circular path about said axis, a second spray gun, means
movement in a plane transverse to the axis of said cyl 20 to mount said second spray gun on said support, means
inder, and means connecting said sprayer means with said
to move said second spray gun in a plane transverse to
chain for movement therewith.
said axis along a path comprising ?rst and second lines
8. In a coating apparatus, a support, a cylinder
at right angles to each other and an are connecting said
mounted on said support for rotational and translational
lines and a single driving shaft actuating the movement
movement, means for rotating said cylinder with respect 25 of both said ?rst and second spray guns.
to said support, means for reciprocating said cylinder
14. In a coating apparatus, a support, a rotatable
with respect to said support, a spray gun carried by said
member having an axis mounted on said support, a ?rst
cylinder with its axis parallel to the axis of said cylinder,
spray gun, means to mount said ?rst spray gun on said
at ?rst clamp member supported axially of said cylinder
member so that said ?rst spray gun will move along a
and in spaced juxtaposition therewith, a second clamp 30 circular path about said axis, a second spray gun, means
member disposed in axial alignment with said cylinder
to mount said second spray gun on said support, means
adapted to receive a work piece, spring means disposed
between an end of said cylinder and said second clamp
to move said second spray gun in a plane transverse
to said axis along a path comprising ?rst, second and
member and urging said second clamp member axially
third lines, said lines de?ning part of a rectangle and a
35
away from said cylinder, and stop means operatively
single driving shaft actuating the movement of both said
connected between said second clamp member and said
?rst and second spray guns.
cylinder to limit the travel of said second clamp mem
15. In a coating apparatus, a‘ support, a rotatable
ber away from said cylinder whereby, when said cyl
member having an axis mounted on said support, a ?rst
inder is reciprocated toward said ?rst clamp member,
spray gun, means to mount said ?rst spray gun on said
said work piece becomes clamped between said clamp 40 member so that said ?rst spray gun will move along
members.
a circular path about said axis, a second spray gun,
9. In a coating apparatus, a support, a cylinder
means to mount said second spray gun on said support,
mounted on said support for rotational and translational
means to move said second spray gun in a plane trans
movement, means for rotating said cylinder with respect
verse to said axis along a path comprising ?rst, second
45
to said support, means for reciprocating said cylinder
and third lines, said lines de?ning part of a generally
with respect to said support, a plate ?xedly mounted to
rectangular‘pattern, said path further comprising curves
one end of said cylinder, means mounting a spray gun
connecting said ?rst and second lines and said second
on said plate eccentrically of the axis of said cylinder, a
and third lines, respectively and a single driving shaft
slip plate on said plate, a ?rst clamp member supported
50 actuating the movement of both said ?rst and second
axially of said cylinder and in spaced juxtaposition there
spray guns.
with, a second clamp member adapted to receive a work
16. The apparatus of claim 15, and clamp means for
holding an article to be sprayed in juxtaposition with said
piece, spring means abutting against said slip plate and
said second clamp member and urging said second clamp
spray guns.
member away from said cylinder, and stop means op
eratively connected between said second clamp member 55
References Cited in the ?le of this patent
and said cylinder to limit movement of said second clamp
member away from said cylinder whereby, when said
cylinder is reciprocated towardsaid ?rst clamp member,
said work piece becomes clamped between said clamp
60
members.
10. The apparatus of claim 9, said last-mentioned
means comprising a collar ?xedly attached to said sec
ond clamp member, said collar surrounding said spring
means and having an inturned shoulder, and an out
wardly extending shoulder on said cylinder adapted to
be engaged by the inturned shoulder of said collar.
UNITED STATES PATENTS
'
940,178
1,325,815
Meyer _______________ .._ Nov. 16, 1909
Valerius et a1 __________ __ Dec. 23, 1919
2,281,169
2,480,663
Pattison _____________ .._ Apr. 28, 1942
McNab _____________ __ Aug. 30, 1949
2,728,238
2,781,738
Paasche _____________ __ Dec. 27, 1955
Paasche _____________ __ Feb. 19, 1957
2,846,973
2,868,163
O’Callaghan _________ __ Aug. 12, 1958
Boyd _______________ __ Jan. 13, 1959
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