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Патент USA US2133209

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Oct. 11, 1938.
H_ w, PETERS,-
Filed Sépt. 10, 1956
Patented Oct. 11, 1938
2,133,209 I
Henry W. Peters, West Roxbury, Mass.
Application September 10, 1936, Serial No. 100,189
. 3 Claims.
(Cl. 41—35)
This invention relates to a method of and
means for ornamenting pipe bowls and other
articles having curved or angular surfaces for
receiving ornamentation.
Articles of the nature to which the present
invention appertains, are usually formed of
wood or ?bre, metal, bone, “Bakelite”, Celluloid,
etc., and, in view of the fact that the exterior
surfaces are generally curved, it has been prac
lO tically impossible for any ornamentation to be
added to them after the articles have left the
factory. For example it has been desired to
place monograms or initials on the curved 'sur
faces of the bowls of smoking'pipes but neither
13 the wholesaler nor the retailer of pipes has had
any facilities whereby letters or other ornamen
tation could be applied to such surfaces.
An object of the present invention is to pro
vide an equipment for use by the wholesaler or
retailer for the purpose of applying ‘letters ac
curately and securely to the curved or other
surfaces of a pipe bowl or the like whether the
same be made of wood, ?bre or any other mate
A further object is to provide equipment which
enables the letters or other ornamentation to, be
applied by anyone with or without skill, the parts'
used being simple, easily operated and inexpen
A still further object is to provide certain
new and novel steps in a method whereby the
letters or other ornamentation can be applied
and, after being so applied, will be held against
accidental removal.
03 U1
With the foregoing and other objects in view,
which will appear as the description proceeds,
the invention resides in certain novel details of
construction and combinations of parts and in
certain new and novel steps in the method here
inafter more fully described and pointed out in
the claims, it being understood that changes may
be made in the construction and arrangement
of parts and in the steps of the method without‘
departing from the spirit of the invention as
In the accompanying drawing the preferred
forms of the equipment used in carrying out the
method have been illustrated.
In said drawing: _
Figure 1 is an elevation of the bowl of a smok~
ing pipe showing a special form of jig applied
Figure 2 shows a boring tool in use for pro
ducing recesses in the pipe bowl at the point
55 previously indicated by the jig.
Figure 3 illustrates the third step of thread
ing the recesses.
Figure 4 is an elevation of the pipe bowl show
ing the recesses in position ready to receive the
studs for ‘holding the letters or other ornamental 5
portions to the bowl."
Figure 5 is a horizontal section through the ,
bowl after the ornamental portionshave been
, Figure 6 is a section through a portion of the 10
bowl after the applied ornamentations have been
burnished so as to lie flat against the curved
surface of the bowl.
Figure 7 shows a modi?ed form of jig.
Figure 8 is a section through a portion of a
pipe bowl showing recesses for'rec‘eiving ‘inlaid
Figure 9 is an elevation of a slightly modi
?ed form of ornamentation prior to being bur
nished onto the surface to which it‘is applied, a
portion of the structure engaged by the orna
mentation being shown in section.
In following out the invention the pipe bowl
or other object to be ornamented and which
can be of any preferred material having a curved. 2 Oi
or other surface which is not flat, has applied
to it a jig having openings properly located so
as to permit marking of the surface‘ through the
openings at those pointsadapted to receive the
ornamentation to be applied. This jig can be‘ 0
of any desired material and shape. After the
surface has been marked as stated, a suitable
drill or boring tool is used for forming recesses
at the indicated points, these recesses being of
exactly the proper depth. Thereafter a tap is
inserted in each recess for forming a thread
therein. Following this threading operation, the
threaded stem or stud projecting from each let
ter or other article of ornamentation is forced
into the threaded recess leaving the ?at head
or ornamental portion bearing against the
rounded or other surface of the article to be
ornamented. Said head is then burnished so
as to be bent back against and conform with
the contour of the surface to which it has been
applied and bymeans of this last step, the rota
tion of the stud or screw extending from the
head is prevented and the ornamentation cannot
become accidently separated from the structure
to which is has been applied. v‘Furthermore, if
desired, the‘ stud ‘which is preferably in the
nature of a screw,v can be provided with a cement
coating so as to cause it to adhere to the wall
of the recess in which it is seated. In ?nishing
the recess by means of the threadedctap, it is 55
the practice to leave the recess of the exact size
of the threaded tap to be inserted thereinto so
that no. displacement of the material of the pipe
bowl or the like will be effected by the stud when
In carrying out the method stated the jig, one
form of which has been indicated at I, can be
made of any desired material.
It can be a thin
resilient plate having hooked arms 2 extending
therefrom for engaging the edges of a pipe bowl
B. Properly positioned holes 3 can be formed in
the jig so that the surface‘ of the bowl can‘be
marked accurately at points adapted to be drilled.
After the jig has been forced tightly against the
strapped about the bowl or other object to be or
namented. One jig of this type has been illus
trated in Figure 7 wherein hingedly connected
plates l6 are carried by straps l1 adapted to be
secured about the bowl or other object by means
of a buckle I8 or the like. Each plate can be pro
vided with an opening through which the location
of the ornamentation can be marked. Or, if de
sired, these openings, indicated at 19 in Figure 7,
surface to be ornamented and said surface has
been marked through the holes 3, the jig is re
can be shaped like ornamentations which are to 10
be inlaid in the bowl and by means of these open
ings l9, it is possible to use the jig as a guide for
cutting the recesses 20 in which the ornamenta
tions are to be inlaid. Under these conditions a
suitable cement is applied for fastening each let
ter or other ornamentation in the recess provided
moved and there is then used a drill one form of‘
therefor. >
which has been shown in Figure 2. This tool in
Obviously many other designs of jigs could be
used. The feature of prime importance in the
present invention is found in the fact that the
simple and efficient equipment herein described
can be supplied to wholesalers and retailers who
are thereby enabled readily to apply different
kinds of initials, monograms, etc., to pipe bowls
and other small articles sold by them and which 25
cludes a stem 4 having a handle 5 by means of
which it can be rotated readily and seated in the
stem is the shank 6 of a bit 1.. A stop 8 is mounted
on the bit and against the end of stem 4 and serves
to prevent the bit from boring a hole which is
too deep. In other words that portion of the bit
extending beyond the stop 8 will produce a recess
of exactly the correct depth.
Following the drilling operation which is ef
fected at each point previously marked on the
pipe bowl, a threading tap 9 is placed in engage
have curved or angular surfaces which hereto
can be the same as tool 4—5. The threading tap
fore have prevented the ordinary dealer from ap
plying any particular combination of letters or
other ornamentations to meet special orders.
Another modi?cation of the invention has been 30
disclosed in Figure 9 wherein the head 2| consti
tuting the ornamentation to be applied and which
is likewise provided with a stop I2 similar to stop
9, whereby the movement of the tap into the bowl
is mounted on the stud or screw 22, is made con
cave and is provided with asupplemental spur 23.
is limited. The tap is so proportioned as to pro
duce a thread in the recess [3 formed in the bowl.
Thus after this device has been applied to the
bowl B or other structure, the head 2| is burnished
as hereto-fore explained and during this latter op
ment with the shank [0 of a threading tool hav
ing a handle H. Or, if desired, this tool Ill-ll
The ornamentations used on the bowl or other
structure can be in the form of thin metal letters,
eration the spur 23 on the head will enter a small
monograms, insignia, etc. In any case the orna
each stud is of the same size as the recess adapted
to receive it. Therefore each stud can be- screwed
recess or‘notch 24, provided therefor. Therefore
even though the ornamentation should be ap
plied to a flat surface, it will be held in position.
What is claimed is:
1., The method of applying ornamentation to
the curved surface of an object which includes
into the recess provided therefor without causing
any displacement of the material of the bowl B.
surface at the marked point, threading the recess,
mentation, which has been indicated generally at
I4, has one or’ more studs projecting therefrom.
When a threaded recess l3 is provided in the bowl,
Before inserting this stud or screw a coating of
cement can be applied thereto so that after the
stud has been properly seated, it will adhere to
the wall of the recess.
Following the insertion of the stud the head M
will bear against the bowl but will not lie tightly
against it. In order to complete the application of
the ornamentation, it is desirable to burnish the
65 head l4 so that it will press back at all, points
against the surface of the bowl as shown in Fig
ure 6. Consequently this head, by its tight en
gagement with the surface of the bowl, will act as
a lock to prevent the stud or screw I5 of the head
60 from being unscrewed. Therefore danger of ac
cidental displacement of the, ornamentation is
While screw-shaped studs can be used on the
applied ornaments, it is to. be understood that
65 many other types of lugs suitable for holding the
ornamentation to the bowl might be employed
following the formation and proper shaping of the
recesses designed to. receive them.
It is to be understood furthermore that instead
70 of providing ajig such as has been illustrated, the
jig could bev in the form of a ?exible band to be
the step of marking said surface, recessing the 46
inserting in. the recess a threaded stud extending
from the head of the ornamentation and then
burnishing the ornamentation to conform to the
curved surface of the object and hold the stud 50
against rotation in the recess in which it is
2. The method of applying ornamentation to
the curved surface of a smoking. pipe or the like
which includes the step of recessing said surface .
to a predetermined depth, subsequently threading
the recess, seating in the recess a cement coated
stud having an ornamental head provided with a
spur, and thereafterburnishing the head to. ?t it
snugly against the curved surface and to force
the spur thereinto.
3. The herein described method of applying or
namentation to a substantially cylindrical or
other surfacev which?is not flat, which includes
the step of marking the surface, forming a recess
in the surface at the marked point, placing an
ornamentation in the recess, and thereafter bur
nishing the ornamentation to conform to the
contour of the surface in which it is seated.
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