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Патент USA US3093186

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June 11, 1963
N. KAHN
3,093,176
HEAT SEALED HANDBAG FRAME
Filed July 17, 1961
2 Sheets-Sheet 1
IN VEN TOR.
i.
NATHANIEL
BY
KAHN
June 11, 1963
N. KAHN
3,093,176
HEAT SEALED HANDBAG FRAME
Filed July 17, 1961
2 Sheets-Sheet 2
II
l 17/ a II
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INVENTOR.
NATHANIEL
BY
KAHN
WW
United States Patent G "ice
3,093,176
Nathaniel Kalm, 337 Snyder Ave., Brooklyn, N.Y.
Filed July 17, 1961, Ser. No. 124,599
6 Claims. (Cl. 150-29)
Patented June 11, 1963
2
1
HEAT SEALED HANDBAG FRAME
3,093,176
body and core will bond permanently to each other when
heat is properly applied. Over the core members 16
covered and enclosed in the body edge portions 21 are
individual frame covers 23.
Each frame cover, as best
shown in FIG. 4, is a generally U-shaped channel mem
her with a groove 25 which snugly receives the core.
This invention relates to an improved handbag con
struction.
Heretofore ladies’ handbags and purses have been made
An inturned ?ange 28 is formed around the inner side
rendering the handbag unusable. A further objection
16.
29 of each frame cover; see FIGS. 2 and 3. This ?ange
engages the inner edge of the covered core and holds the
by attaching a body formed from a ?exible sheet to a 10 frame cover thereon. Clasp elements 30* are provided on
the top edges of the ‘frame covers 23- for mutual engage
frame having hinged parts. These frames having gen
ment to hold the handbag closed. The ends of the hand
erally been made of wood or metal. When a plastic
bag body may be sealed by thermally bonded seams 33‘.
sheet is used for the body of a handbag or purse having
In FIGS. 5, 6 and 7 is illustrated another handbag
a metal or wood frame, it has been necessary to rivet,
staple, or cement the plastic sheet to the frame. During 15 construction in which the rigid core 15a has U-shaped
core members 16%, which are round in cross section
use, the plastic sheet often tears loose from the fastening
rather than rectangular as illustrated for core members
means such as rivets, eyelets, staples, stitching or cement,
The core members '16s are slotted at 22a and re
ceive links 2% in the slots, secured by pins 24“. The edge
struction has been the time and labor required to attach 20 21a of the handbag body 12'“ extends around each core
member and is bonded thereto as shown in FIG. 6‘. The
individual fasteners. This has required costly hand labor,
U-shaped frame cover 23a is s'loted longitudinally and
which resulted in low production rates and high produc
to the use of conventional fasteners in handbag con
encloses each core member 16*‘.
tion cost.
The cover is cylin
drically curved in cross section as shown in FIGS. 6 and
The principal object of the present invention is to
overcome the difficulties and disadvantages of prior hand 25 7, and the core member 16a ?ts snugly in cylindrical
groove 25%. The core member 16”» is made of plastic
bag construction and manufacturing methods and to pro
vide an improved structure in which the handbag frame
includes a plastic core to which, the plastic body is in
material but could be made of metal ‘as is illustrated for
cover members 23. Core member 1621 may be fused to
edge 2121 of the bag body.
tegrally fused and bonded thereto by thermal means.
In FIG. 8 is shown a further handbag construction in
A further object is to provide an improved handbag 30
which the channel-shaped frame cover 23b is made of
construction as described with a metal or plastic frame
thermoplastic material ‘and is covered by a strip- of ther
set ‘over the plastic core, the frame being exposed, or
moplastic sheet material 35 thermally bonded to cover
covered with plastic material bonded thereto.
239 and edge 211’. In this construction the same color
For further comprehension of the invention, ‘and of
the objects and advantages thereof, reference will be had 35 and texture of plastic sheeting may be employed for
to the following description and accompanying drawings,
material 35 as is employed for the plastic body 121’.
The edge 2110 of body 12b is wound around the rectan
and to the ‘appended claims in which the various novel
gular thermoplastic core 16b and heat-sealed thereto as
features of the invention are more particularly set forth.
In the accompanying drawings forming ‘a material part
described for cores 16 and body 12. Flange 28‘s on
40 inner side A921 of cover 231’ may be provided to retain the
of this disclosure:
FIG. 1 is a perspective view of a handbag embodying
cover on core 16".
The channel-shaped cover members may be made of
the invention, the handbag being shown in open position.
metal or plastic ‘as illustrated in the drawing, or of other
materials. The cores may have rectangular, round or
FIG. 3 is a sectional view on an enlarged scale of a 45 other shaped cross sections. The cores and frame covers
may be other than U-shaped, depending on the handbag
portion of the handbag, taken on line 3-3 of FIG. 1.
design. They may have straight or curved channel bars
FIG. 4 is an exploded perspective view of a frame core
or have irregular longitudinal and/or transverse shapes,
in open position, shown with an associated frame cover.
FIG. 5 is a perspective view of still another frame
provided ‘only that in cross section the shapes of the
FIG. 2 is a cross-sectional view on an enlarged scale
taken on line 2--2 of FIG. 1.
core, shown on a reduced scale.
FIG. 6 is a sectional view similar to FIG. 3, showing
constructional features of a handbag employing the frame
core of FIG. 5.
FIG. 7 is a perspective view of a frame cover which
cores correspond with the shapes of the grooves in the
channel-shaped frame covers. The plastic frame covers
may be integrally fused to the thermoplastic edges of the
bag body which are fused to the core.
The invention makes it possible to fabricate handbags
may be used with the core of FIG. 5.
55 by automatic plastic heat-sealing machinery at high speed
FIG. 8 is a sectional view similar to FIG. 3 but on a
at low cost, without requiring attachment of supple
larger scale, showing constructional features of another
mentary fastener elements such as stitching, rivets, eye
handbag.
In FIGS‘. *1, 2 and 3 is shown a handbag 10 having a
bag body 12 formed of plastic sheet material. The hand
lets, -and the like used heretofore. Hand ‘labor is mini
mized and the resulting handbags are stronger and longer
lasting than those heretofore commercially available.
While I have illustrated and described the preferred
bag is provided with a rigid frame core ~1'5 shown to best
advantage in FIGS. 3 ‘and 4. The frame core includes
two rectan-gularly U-shaped core members 16 hinged to
embodiments of my invention, it is to be understood that
of the handbag are wound around the frame core 15
and are bonded thereto by heat welding, dielectric heating 70
1s:
I do not limit myself to the precise constructions herein
gether at the ends of their legs 17 by short link 20. The
disclosed and that various changes and modi?cations may
links ?t in ‘slots 22 formed in the ends of the legs 17. 65 be made within the scope of the invention as de?ned
Pins 24 extend through the ends of the legs and engage
in the appended claims.
the links.
Having thus described my invention, what I claim as
The free edges 21 of the bag body 12 at top and ends
new and desire to secure by Uni-ted States Letters Patent
or the like.
The body 12 and the ‘frame ‘core are both
preferably formed of thermoplastic material so that the
1. A handbag construction, comprising a ?exible bag
body made of ?exible, thermoplastic sheet material, said
3,093,176
body having free edges, a rigid core made of thermo
plastic material, said core including two generally U
being formed of thermoplastic material integrally fused
to each other.
shaped core members hinged together at ends of their
5. A handbag construction, comprising a ?exible bag
legs, said edges of the body being wound around the
body made of ?exible, thermoplastic sheet material, said
core members and integrally fused thereto, and a pair
of generally U-shaped channels ?tted over the U-shaped
body having free edges, a rigid core made of thermoplastic
material, said core including two generally U-shaped core
members hinged together at ends of their legs, said edges
core members respectively, said core members being rec
tangular in cross section and said channels being corre
of the body being wound around the core members and
spondingly rectangular in cross section.
integrally fused thereto, a pair of generally U-shaped
2. A handbag construction, comprising a ?exible bag 10 channels ?tted over the U-shaped core members respec
body made of ?exible, thermoplastic sheet material, said
tively, and ?exible strips completely covering the chan~
body having free edges, a rigid core made of thermo
nels, said channels ‘and plastic strips being formed of
plastic material, said core including two generally U
thermoplastic material integrally fused to each other,
shaped core members hinged together at ends of their
said strips being fused to said edges of the body.
legs, said edges of the body being wound around the core 15
6. A handbag construction, comprising a ?exible bag
members and integrally fused thereto, and a pair of gen
body made of ?exible, thermoplastic sheet material, said
erally U~shaped channels ?tted over the U-shaped core
body having free edges, a rigid core made of thermo
members respectively, said channels being made of ther
plastic material, said core including two generally U
moplastic material fused to the edges of the body wound
shaped core members hinged together at ends of their
around the core members.
legs, said edges of the body being wound around the core
3. A handbag construction, comprising a ?exible bag
members and integrally fused thereto, and a pair of gen
erally U~shaped channels ?tted over the U-shaped core
body made of ?exible, thermoplastic sheet material, said
body having free edges, a rigid core made of thermo
members respectively, said core members being rectan
gular in cross section and said channels being correspond
plastic material, said core including two generally U
shaped core members hinged together at ends of their 25 ingly rectangular in cross section, said channels having
?anges tat edges thereof to engage with adjacent edges of
legs, said edges of the body being wound around the
the core members.
core members and integrally fused thereto, a pair of gen
erally U-shaped channels ?tted over the U-shaped core
References Cited in the ?le of this patent
members respectively, and ?exible strips completely cov
UNITED STATES PATENTS
30
ering the channels.
4. A handbag construction, comprising a ?exible bag
body made of ?exible, thermoplastic sheet material, said
body having free edges, a rigid core made of thermo
plastic material, said core including two generally U 35
shaped core members hinged together at ends of their
legs, said edges of the body being wound around the
core members and integrally fused thereto, a pair of
generally U-shaped channels ?tted over the U-shaped
core members respectively, and ?exible strips completely 4()
covering the channels, said channels and plastic strips
1,899,960
1,919,333
1,966,204
2,028,216
2,393,487
2,435,870
2,682,905
2,946,364
Hartmann ____________ __ Mar. 7,
Karron ______________ __ July 25,
Hiering ______________ __ July 10,
Hiering ______________ .... Jan. 21,
Storch _______________ __ Jan. 22,
Campos ______________ __ Feb. 10,
Giordano _____________ __ July 6,
White _______________ __ July 26,
1933
1933
1934
1936
1946
1948
1954
1960
FOREIGN PATENTS
764,329
France _______________ __ Mar. 5, 1934
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