CA1101808A - Back pack - Google Patents
Back packInfo
- Publication number
- CA1101808A CA1101808A CA271,558A CA271558A CA1101808A CA 1101808 A CA1101808 A CA 1101808A CA 271558 A CA271558 A CA 271558A CA 1101808 A CA1101808 A CA 1101808A
- Authority
- CA
- Canada
- Prior art keywords
- back pack
- stiffening
- rear face
- adjacent
- cushion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C3/00—Flexible luggage; Handbags
- A45C3/02—Briefcases or the like
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
- A44B11/04—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps without movable parts
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
- A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
- A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
- A45F3/042—Sacks or packs carried on the body by means of two straps passing over the two shoulders specially adapted for school children
Landscapes
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A parallelepiped back pack comprising an outer casing of a thin-flexible sheet material, stiffening inserts dis-posed in the casing and fastened thereto, which imparts a parallelepiped shape to the back pack, at least one shoulder strap, a partition wall in the back pack dividing the interior into compartments for receiving the inserts each of which includes a stiffening plate.
A parallelepiped back pack comprising an outer casing of a thin-flexible sheet material, stiffening inserts dis-posed in the casing and fastened thereto, which imparts a parallelepiped shape to the back pack, at least one shoulder strap, a partition wall in the back pack dividing the interior into compartments for receiving the inserts each of which includes a stiffening plate.
Description
r~8 The present invention relates to a parallelepiped back packt such as a brîefcase which can be carried on should~r straps, for instance on the back~
It is the primary object of this invention to provide such a back pack of very light weight and, nevertheless, cap-able of withstanding very rough handling while retaining its shape, other objects include the possibility of cheap mass production, providing a briefcase which can be carried on the back as well as by hand, and which is capable of reducing perspiration when carried on the back.
The above and other objects are accomplished accord-ing to the invention with a parallelepiped back pac]c com~
prising an outer casing of a thin, flexible sheet material, a stiffening insert comprised of at least one stiffening part disposed in the casing and imparting thereto a parallelepiped shape, means for fastening the stiffening insert to the case, and at least one shoulder strap. The present invention pro-~ides a variety of insert bodies, as well as varying~fasteners for the shoulder straps, special hand grips, and air-permeable members for contact with the back of a personcarrying the back pack to prevent perspiration.
In accordance with one aspect of the invention, there is provided a parallelepiped bac~ pack including a front and rear face and a base thereon comprising in combination, an outer casing of thin, flexible sheet material; a stiffening in- ~ -sert comprising a plurality of stiffening parts disposed in said casing and imparting thereto a parallelepiped shape; means for fastening said stiffening insert to said casing' and at least one shoulder strap, said back pack also including a partition wall disposed in said casing and dividing the interior thereof into compartments, said partition wall extending substantially parallel to said rear face of said back pack and one of said stiffening parts being disposed in each o~ said compartments,each of said stiffenin~ parts beiny a parallelepiped body comprising a stiffening plate, and perpendicularly projecting therefrom two end faces and a base connecting said end faces, said stiffening plate of said body in the compartment ad]acent the rear face of said back pack being ad-jacent said rear face and said stiffening plate of said body in the compartmen-t adjacent said front face of the back pack being ad~acent the front face thereof, the bases of the bodies being adjacent the base o~ the back pack.
The invention is illustrated by way of example in the accompanying drawin~s wherein:
Figure 1 is a perspective view of one embodiment of a back pack according to the present invention, Figure 2 shows the back pack of Figure 1 in vertical section:
Figure 3 illustrates one embodiment of stiffening inserts or parts thereof for a back pack.
Referring now to the drawings and firstly to FXGS, 1 and 2, there is shown a parallelepiped back pack 1 in the form of a briefcase for students. The back pack consists of thin, flexible outer casing 2 and stiffening insert 3. The material of the outer casing consists preferably of a synthetic resin fiber fabric coated on both sides, for instance a nylon fabric coated with an acrylic resin. Partition ~all 4, extending parallel to rear face 5 of the back pack, divides the interior chamber of the back pack into two parallelepiped comp~rtments~ The partition wall is sewn to the end faces and the base of the back pack.
As best shown in FIG. 2, the stiffening insert consists of two bodies 7 and 7'. As will be appre~iated, parallelepiped insert body 7 includes an elongated rear wall an~ relatively
It is the primary object of this invention to provide such a back pack of very light weight and, nevertheless, cap-able of withstanding very rough handling while retaining its shape, other objects include the possibility of cheap mass production, providing a briefcase which can be carried on the back as well as by hand, and which is capable of reducing perspiration when carried on the back.
The above and other objects are accomplished accord-ing to the invention with a parallelepiped back pac]c com~
prising an outer casing of a thin, flexible sheet material, a stiffening insert comprised of at least one stiffening part disposed in the casing and imparting thereto a parallelepiped shape, means for fastening the stiffening insert to the case, and at least one shoulder strap. The present invention pro-~ides a variety of insert bodies, as well as varying~fasteners for the shoulder straps, special hand grips, and air-permeable members for contact with the back of a personcarrying the back pack to prevent perspiration.
In accordance with one aspect of the invention, there is provided a parallelepiped bac~ pack including a front and rear face and a base thereon comprising in combination, an outer casing of thin, flexible sheet material; a stiffening in- ~ -sert comprising a plurality of stiffening parts disposed in said casing and imparting thereto a parallelepiped shape; means for fastening said stiffening insert to said casing' and at least one shoulder strap, said back pack also including a partition wall disposed in said casing and dividing the interior thereof into compartments, said partition wall extending substantially parallel to said rear face of said back pack and one of said stiffening parts being disposed in each o~ said compartments,each of said stiffenin~ parts beiny a parallelepiped body comprising a stiffening plate, and perpendicularly projecting therefrom two end faces and a base connecting said end faces, said stiffening plate of said body in the compartment ad]acent the rear face of said back pack being ad-jacent said rear face and said stiffening plate of said body in the compartmen-t adjacent said front face of the back pack being ad~acent the front face thereof, the bases of the bodies being adjacent the base o~ the back pack.
The invention is illustrated by way of example in the accompanying drawin~s wherein:
Figure 1 is a perspective view of one embodiment of a back pack according to the present invention, Figure 2 shows the back pack of Figure 1 in vertical section:
Figure 3 illustrates one embodiment of stiffening inserts or parts thereof for a back pack.
Referring now to the drawings and firstly to FXGS, 1 and 2, there is shown a parallelepiped back pack 1 in the form of a briefcase for students. The back pack consists of thin, flexible outer casing 2 and stiffening insert 3. The material of the outer casing consists preferably of a synthetic resin fiber fabric coated on both sides, for instance a nylon fabric coated with an acrylic resin. Partition ~all 4, extending parallel to rear face 5 of the back pack, divides the interior chamber of the back pack into two parallelepiped comp~rtments~ The partition wall is sewn to the end faces and the base of the back pack.
As best shown in FIG. 2, the stiffening insert consists of two bodies 7 and 7'. As will be appre~iated, parallelepiped insert body 7 includes an elongated rear wall an~ relatively
-2-shorter length base wall and therefore is L-shaped in cros~-section, thus it is open on tip and in front and is so inserted into the rear compartment defined between partition wall 4 and rear face 5 that plate 10 of body 7 is adjacent the rear face of the back pack.
In the illustrated embodiment, foam cushion insert 8 is inserted between plate 10 of insext body 7 and the rear face of the outer casing.
Insert body 7' is substantially identical with body 7, i.e. it has a base, two end faces and a lateral plate, the latter being adjacent the front face of the back pack.
The two insert bodies are loosely fitted into the front and rear compartments separated by partition wall 4. They are fastened by rlvets 11 to the end faces of outer casing 2 and by staples or nails 12 to the base of the outer casing, The attachment is reinforced by inserting washers 13 between the rivet ends and the inside of the insert bodies.
Shoulder straps 15 or the back pack comprise carrier straps 16 having an approximate width of 30 to 40 mm and cushioning layers 17 underlying the carrier straps for soft contact with the shoulders; Buc~les 14 are affixed to the rear face of the back pack for adjustably receiving the other ends of the shoulder straps when the back pack is carried on the back, The buckles are riveted to the rear face at 18~
In the illustrated embodiment, the rear face of the back pack comprises porous or "breathing" cover lg mounted over cushion 8 and holding the cushion against plate 10 of insert body 7. Cover 19 is attached to outer ca~ing 2 by double seams 20 or may be fused thereto along the edges~ ;
As can be seen from FIG, 1, the porous or "breathing"
portion 19 extends almost over the entire rear face of the ". ,-~, :
: , . ' , ' :
L8~
bac]c pack, cushion 8 extending beyond cover 19, as can be seen from edges 21 of the cusllion in relation to seams 20 of -the cover.
In a modified form, the rear face of the back pack casin~ may define a window, cushion 8 being in registry with the window the cover being fastened to the eclges of the window. In the event of no window, cushion 8 may be placed over the rear face and covered by cover 19 which i9 then sewn or fused to the rear face of the casin~ along the edges thereof~ The cover may extend over the entire width of the back pack in one dimension and, in the other dimension, fro~ upper carrier plate 22 to the lower edge of the rear face, the shoulder straps being fastened to the cover.
As best shown in FIG. 2, porous cover 19 reaches up to carrier plate 22 for rivets 23 fastenin~ the upper ends of the shoulder straps to the back pack. It is useful to insert a spring steel plate 24 between carrier plate 22 and -~
the rear face of the back pack, adjacent seam 20 - ~!
Loop 9 is fastened to carrier plate 22 to enable the back pack to be hung up.
Cushion 8 may be made o~ a foamed plastic, such as a ployurethane foam, but it may alternatively consi~t of cork, foam rubber or the like. Cover 19 and underlying cushion 8 enable air to reach the back of the person carrying the back pack and thus prevent or reduce sweating. For thi3 purpose, the cover is preferably made of a woven, non-woven or knitted fabric or spun or crimped synthetic resin fibers, of perforated synthetic resin pellicles, or of fabrics of naturbl fibers, such as cotton or the like. Such covers not only "breathe"
but absorb perspiration~ Cotton is particularly preferred since it also exhibits the required wear resistance to enable the rear face of the back pack to resist the frictional wear to which it i.s subjected~
~4~
: , . . . . .
. .
The stiffening insert :Eor the back pack may be a one-piece body or it may consist of several structural com~
po~ents. To keep its shape under all conditions of use, i-t is ~.
essential or the stiffening insert to comprise a material which is impact-resi~tant, permanently elastic to return to its original shape when distorted, temperature-resistant to hot and cold temperatures, break resistant, tough and ductile but capable of receivin~ rivets, staples or nails and like fastening elel~nts, and of being stamped or sewn.
10The stiffening insert3 may be made in various shapes and profiles designed to reduce their wall thickness and weight while mhintaining the required stiffnes~.
Refering to FIG~ 3 illustrating one embodiment of stiffening insert with walls provided with reinforcing ribs.
The end faces and the rear face have transverse rihs 52 and long-itudinal ribs 53 while the base merely has ribs 54 extending in a single direction. This type of ribbing may of course be replaced by ribs of other types.
The ribs may have a depth of 2 to 10 mm and a width of 10 to 50 mm. They are flattened along the edges and at those points where rivets or other fastening elements are positioned.
The material of which the stiffening inserts or their components, the partition walls, the hand grip, the support and clamping plates and the like are made is preferably a synthetic resin, such as polyvinylchloride, an acrylonitrile-butadiene-styrene copolymer, polyethylene, polycarbonate, polypropylene, poIyurethane, nylon, polytetramethylene-terephthalate, polyester, which may or may not contain glass Eibers, plasticliæers and other polyester additives, polyacetals, polyvinyl benzene, poly-fluorocarbonate, linear polyesters and thermosetting syntheticresins. The synthetic resins may, if desired, contain glass fiber reinforcements. Selected parts may be made of ~ynthetic resin sheet material or of fabrics of synthetic res.in fibers ~" ~`.1 , l8~ ~
coated with any of these resin materials on one or both sides.
The parts may be produced by injection molding, pres~ing, mold- :~
.ing, stamping, extruding or any other suitable manufacture, and parts may be welded together by high-frequency welding or the like. It is desirable for the parts to be resistant to breakage up to -40C and to remain shape-retaining up to 100C. They should be impact~resistant, permanently elastic, capable of re-ceiving rivets, nails and like fasteners, to be cut and to be stamped. Parts made from such synthetic resins have the advan-tage that they need not be provided with holes for rivets since the rivets may be driven through themO This makes assembly o~
the back packs of this invention easier and, there~ore, cheaper, thus lowering the sales price. It also makes rapid mass pro-duction possible. .
:
. ,.: - ,~ , . . - . - . .~ ~ ~
In the illustrated embodiment, foam cushion insert 8 is inserted between plate 10 of insext body 7 and the rear face of the outer casing.
Insert body 7' is substantially identical with body 7, i.e. it has a base, two end faces and a lateral plate, the latter being adjacent the front face of the back pack.
The two insert bodies are loosely fitted into the front and rear compartments separated by partition wall 4. They are fastened by rlvets 11 to the end faces of outer casing 2 and by staples or nails 12 to the base of the outer casing, The attachment is reinforced by inserting washers 13 between the rivet ends and the inside of the insert bodies.
Shoulder straps 15 or the back pack comprise carrier straps 16 having an approximate width of 30 to 40 mm and cushioning layers 17 underlying the carrier straps for soft contact with the shoulders; Buc~les 14 are affixed to the rear face of the back pack for adjustably receiving the other ends of the shoulder straps when the back pack is carried on the back, The buckles are riveted to the rear face at 18~
In the illustrated embodiment, the rear face of the back pack comprises porous or "breathing" cover lg mounted over cushion 8 and holding the cushion against plate 10 of insert body 7. Cover 19 is attached to outer ca~ing 2 by double seams 20 or may be fused thereto along the edges~ ;
As can be seen from FIG, 1, the porous or "breathing"
portion 19 extends almost over the entire rear face of the ". ,-~, :
: , . ' , ' :
L8~
bac]c pack, cushion 8 extending beyond cover 19, as can be seen from edges 21 of the cusllion in relation to seams 20 of -the cover.
In a modified form, the rear face of the back pack casin~ may define a window, cushion 8 being in registry with the window the cover being fastened to the eclges of the window. In the event of no window, cushion 8 may be placed over the rear face and covered by cover 19 which i9 then sewn or fused to the rear face of the casin~ along the edges thereof~ The cover may extend over the entire width of the back pack in one dimension and, in the other dimension, fro~ upper carrier plate 22 to the lower edge of the rear face, the shoulder straps being fastened to the cover.
As best shown in FIG. 2, porous cover 19 reaches up to carrier plate 22 for rivets 23 fastenin~ the upper ends of the shoulder straps to the back pack. It is useful to insert a spring steel plate 24 between carrier plate 22 and -~
the rear face of the back pack, adjacent seam 20 - ~!
Loop 9 is fastened to carrier plate 22 to enable the back pack to be hung up.
Cushion 8 may be made o~ a foamed plastic, such as a ployurethane foam, but it may alternatively consi~t of cork, foam rubber or the like. Cover 19 and underlying cushion 8 enable air to reach the back of the person carrying the back pack and thus prevent or reduce sweating. For thi3 purpose, the cover is preferably made of a woven, non-woven or knitted fabric or spun or crimped synthetic resin fibers, of perforated synthetic resin pellicles, or of fabrics of naturbl fibers, such as cotton or the like. Such covers not only "breathe"
but absorb perspiration~ Cotton is particularly preferred since it also exhibits the required wear resistance to enable the rear face of the back pack to resist the frictional wear to which it i.s subjected~
~4~
: , . . . . .
. .
The stiffening insert :Eor the back pack may be a one-piece body or it may consist of several structural com~
po~ents. To keep its shape under all conditions of use, i-t is ~.
essential or the stiffening insert to comprise a material which is impact-resi~tant, permanently elastic to return to its original shape when distorted, temperature-resistant to hot and cold temperatures, break resistant, tough and ductile but capable of receivin~ rivets, staples or nails and like fastening elel~nts, and of being stamped or sewn.
10The stiffening insert3 may be made in various shapes and profiles designed to reduce their wall thickness and weight while mhintaining the required stiffnes~.
Refering to FIG~ 3 illustrating one embodiment of stiffening insert with walls provided with reinforcing ribs.
The end faces and the rear face have transverse rihs 52 and long-itudinal ribs 53 while the base merely has ribs 54 extending in a single direction. This type of ribbing may of course be replaced by ribs of other types.
The ribs may have a depth of 2 to 10 mm and a width of 10 to 50 mm. They are flattened along the edges and at those points where rivets or other fastening elements are positioned.
The material of which the stiffening inserts or their components, the partition walls, the hand grip, the support and clamping plates and the like are made is preferably a synthetic resin, such as polyvinylchloride, an acrylonitrile-butadiene-styrene copolymer, polyethylene, polycarbonate, polypropylene, poIyurethane, nylon, polytetramethylene-terephthalate, polyester, which may or may not contain glass Eibers, plasticliæers and other polyester additives, polyacetals, polyvinyl benzene, poly-fluorocarbonate, linear polyesters and thermosetting syntheticresins. The synthetic resins may, if desired, contain glass fiber reinforcements. Selected parts may be made of ~ynthetic resin sheet material or of fabrics of synthetic res.in fibers ~" ~`.1 , l8~ ~
coated with any of these resin materials on one or both sides.
The parts may be produced by injection molding, pres~ing, mold- :~
.ing, stamping, extruding or any other suitable manufacture, and parts may be welded together by high-frequency welding or the like. It is desirable for the parts to be resistant to breakage up to -40C and to remain shape-retaining up to 100C. They should be impact~resistant, permanently elastic, capable of re-ceiving rivets, nails and like fasteners, to be cut and to be stamped. Parts made from such synthetic resins have the advan-tage that they need not be provided with holes for rivets since the rivets may be driven through themO This makes assembly o~
the back packs of this invention easier and, there~ore, cheaper, thus lowering the sales price. It also makes rapid mass pro-duction possible. .
:
. ,.: - ,~ , . . - . - . .~ ~ ~
Claims (5)
1. A parallelepiped back pack including a front and rear face and a base thereon comprising in combination;
a) an outer casing of thin, flexible sheet material, b) a stiffening insert comprising a plurality of stiff-ening parts disposed in said casing and imparting thereto a parallelepiped shape, c) means for fastening said stiffening insert to said casing; and d) at least one shoulder strap, said back pack also including a partition wall disposed in said casing and dividing the interior thereof into compartments, said partition wall extend-ing substantially parallel to said rear face of said back pack and one of said stiffening parts being disposed in each of said compartments, each of said stiffening parts being a parallele-piped body comprising a stiffening plate, and perpendicularly projecting therefrom, two end faces and a base connecting said end faces, said stiffening plate of said body in the compartment adjacent the rear face of said back pack being adjacent said rear face and said stiffening plate of said body in the com-partment adjacent said front face of the back pack being adjacent the front face thereof, the bases of the bodies being adjacent the base of the back pack.
a) an outer casing of thin, flexible sheet material, b) a stiffening insert comprising a plurality of stiff-ening parts disposed in said casing and imparting thereto a parallelepiped shape, c) means for fastening said stiffening insert to said casing; and d) at least one shoulder strap, said back pack also including a partition wall disposed in said casing and dividing the interior thereof into compartments, said partition wall extend-ing substantially parallel to said rear face of said back pack and one of said stiffening parts being disposed in each of said compartments, each of said stiffening parts being a parallele-piped body comprising a stiffening plate, and perpendicularly projecting therefrom, two end faces and a base connecting said end faces, said stiffening plate of said body in the compartment adjacent the rear face of said back pack being adjacent said rear face and said stiffening plate of said body in the com-partment adjacent said front face of the back pack being adjacent the front face thereof, the bases of the bodies being adjacent the base of the back pack.
2. The back pack of claim 1, wherein the stiffening insert has reinforcing ribs.
3. The back pack of claim 1, wherein the rear face of the back pack comprises an air permeable cushion and an air-permeable cover placed over the cushion for contact with the back of the person carrying the back pack.
4. The back pack of claim 3, wherein the outer casing has a rear face defining a window, the cushion being in registry with the window and the cover being fastened to the cover being fastened to the edges of the window.
5. The back pack of claim 4, wherein the cushion is dis-posed between the cover and the stiffening insert.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA976-76 | 1976-02-12 | ||
| AT97676A AT361155B (en) | 1976-02-12 | 1976-02-12 | SCHOOLBAG |
| AT224876A AT356310B (en) | 1976-03-26 | 1976-03-26 | GORGEOUS BAG, ESPECIALLY SCHOOL BAG |
| ATA2248-76 | 1976-03-26 | ||
| ATA3897-76 | 1976-05-26 | ||
| AT389776A AT361156B (en) | 1976-05-26 | 1976-05-26 | SCHOOLBAG |
| ATA8361-76 | 1976-11-10 | ||
| AT836176A AT356311B (en) | 1976-11-10 | 1976-11-10 | BAG, ESPECIALLY SCHOOL BAG |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101808A true CA1101808A (en) | 1981-05-26 |
Family
ID=27421398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA271,558A Expired CA1101808A (en) | 1976-02-12 | 1977-02-11 | Back pack |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1101808A (en) |
| ES (1) | ES236467Y (en) |
| FR (2) | FR2340698A1 (en) |
| NO (1) | NO144236C (en) |
| SE (1) | SE7701304L (en) |
| YU (1) | YU40277A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2835975A1 (en) * | 1978-08-17 | 1980-02-28 | Georg Essl | Carrying bag with stabilised shape - has inner core subsequently inserted and connected to outer flexible cover |
| GB8310324D0 (en) * | 1983-04-15 | 1983-05-18 | Karrimor Int Ltd | Rucksacks/knapsacks |
| FR2563093B1 (en) * | 1984-04-24 | 1986-07-11 | Bellorget Christian | TRANSFORMABLE TRAVEL BAG |
| FR2657758B1 (en) * | 1990-02-05 | 1993-02-05 | Superior Sa | BAG COMPRISING CROSS-SECTIONAL AND LONGITUDINAL REINFORCEMENTS. |
| US5494157A (en) * | 1994-11-14 | 1996-02-27 | Samsonite Corporation | Computer bag with side accessible padded compartments |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE411706A (en) * | ||||
| GB121880A (en) * | 1918-03-21 | 1919-01-09 | Arthur Graham France | Improvements in Buckles or Fastening Devices for Belts, Bands, Tapes, and the like. |
| US1907676A (en) * | 1930-02-24 | 1933-05-09 | Roth Jacob | School bag and brief case |
| US2293562A (en) * | 1940-01-11 | 1942-08-18 | Maiden Form Brassiere Company | Buckle |
| GB791984A (en) * | 1955-01-05 | 1958-03-19 | Frederick Griffiths | Improvements in or relating to security cases |
| FR1356448A (en) * | 1963-02-15 | 1964-03-27 | Plastic case with transformable partition | |
| DE1759430A1 (en) * | 1968-04-30 | 1972-03-09 | Lenox Werk Emil Liebke & Co | One-piece hinge-like joint made of plastic |
| AT356308B (en) * | 1975-05-30 | 1980-04-25 | Essl Georg | GORGEOUS BAG |
| DE7527132U (en) * | 1975-08-27 | 1975-12-18 | Essl G | schoolbag |
-
1977
- 1977-02-07 SE SE7701304A patent/SE7701304L/en unknown
- 1977-02-11 ES ES1977236467U patent/ES236467Y/en not_active Expired
- 1977-02-11 NO NO77770455A patent/NO144236C/en unknown
- 1977-02-11 CA CA271,558A patent/CA1101808A/en not_active Expired
- 1977-02-14 FR FR7704070A patent/FR2340698A1/en active Granted
- 1977-02-14 YU YU00402/77A patent/YU40277A/en unknown
-
1982
- 1982-06-17 FR FR8210574A patent/FR2505148A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE7701304L (en) | 1977-08-13 |
| FR2505148A1 (en) | 1982-11-12 |
| NO144236C (en) | 1981-07-22 |
| FR2340698A1 (en) | 1977-09-09 |
| YU40277A (en) | 1982-05-31 |
| ES236467U (en) | 1978-12-16 |
| NO770455L (en) | 1977-08-15 |
| NO144236B (en) | 1981-04-13 |
| ES236467Y (en) | 1979-06-16 |
| FR2340698B1 (en) | 1983-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |