EP0622036A2 - Am improved back sheet for knapsacks and similar articles - Google Patents
Am improved back sheet for knapsacks and similar articles Download PDFInfo
- Publication number
- EP0622036A2 EP0622036A2 EP93203422A EP93203422A EP0622036A2 EP 0622036 A2 EP0622036 A2 EP 0622036A2 EP 93203422 A EP93203422 A EP 93203422A EP 93203422 A EP93203422 A EP 93203422A EP 0622036 A2 EP0622036 A2 EP 0622036A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric
- faces
- nap
- forming
- knapsacks
- 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.)
- Withdrawn
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Classifications
-
- 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
Definitions
- the present invention relates to an improved back sheet for knapsacks and similar articles, with the improvement consisting in that such back is provided and/or formed by a fabric allowing for the user's transpiration therethrough.
- An existing known problem of the items normally carried in contact with the body is that of allowing a proper transpiration to the user, e. g. through the backs of knapsacks and similar shoulder articles.
- the object of the present invention is to overcome said drawbacks by providing a back sheet or layer for knapsacks and similar articles which is provided with and/or formed by a fabric allowing user's transpiration therethrough.
- the back sheet of knapsacks or similar articles of the present invention is characterized in that it is provided with or formed by a fabric capable of allowing the user transpiration therethrough; said fabric comprising a front face or "right side", an opposing face or “reverse side”, and a "nap" layer interposed between said two faces.
- the face forming the "right side” comprises a polyester in weft and chain-stitch arrangement, and also the face forming the "reverse” is made up by a polyester in weft and chain-stitch arrangement, while the "nap" layer interposed between said two faces is formed by a single polyester yarn joining the two faces of the fabric.
- a further basic characteristic of the fabric consists in that the single-filament yarn forming the "nap" is matted between the two faces in such a manner as to provide intermediate spaces through which air can flow freely; at the same time the mat is so formed that the fabric has a good stability.
- the back 10 of the invention is provided with or is formed by a fabric 20, adapted to allow the user's transpiration therethrough; said fabric 20 has a front face 21 or "right side", an opposing face 23 or “reverse side”, and a "nap" layer 25 interposed between said two faces 21 and 23.
- the front face 21 or "right side” comprises a polyester in weft and chain-stitch arrangement (see Fig. 1), with the face 23 or “reverse” made up by a polyester in weft and chain-stitch arrangement too (see Fig. 2), while the "nap" layer 25, interposed between said faces, is formed by a single polyester yarn joining the two faces of the fabric (see Fig. 3).
- the single-filament yarn 25 forming the "nap" is matted between the two faces 21, 23, in such a manner as to provide intermediate spaces through which air can flow freely; at the same time the mat is so formed that the fabric has a good stability (see Fig. 4).
Landscapes
- Woven Fabrics (AREA)
Abstract
Description
- The present invention relates to an improved back sheet for knapsacks and similar articles, with the improvement consisting in that such back is provided and/or formed by a fabric allowing for the user's transpiration therethrough.
- An existing known problem of the items normally carried in contact with the body is that of allowing a proper transpiration to the user, e. g. through the backs of knapsacks and similar shoulder articles.
- In the past attempts have been made to solve such transpiration problem for knapsacks or rucksacks by using a more or less rigid framework fixed to the back sheet of the knapsack which would allow transpiration by maintaining the sack spaced from the user's back.
- Such solution has drawbacks that are not discussed here, since in general said solution is suitable only for rucksacks and packs carried by hikers, but would be rather unpractical for knapsacks or similar back sacks for citizen and/or school use to which the present invention is directed.
- In sacks to be used in metropolitan areas, for carrying school books or other items, waist-pouches and the like, a solution to the above problem is still needed: therefore it remains the drawback of a proper transpiration which is not allowed to the user by the known sacks or pouches.
- The object of the present invention is to overcome said drawbacks by providing a back sheet or layer for knapsacks and similar articles which is provided with and/or formed by a fabric allowing user's transpiration therethrough.
- The back sheet of knapsacks or similar articles of the present invention is characterized in that it is provided with or formed by a fabric capable of allowing the user transpiration therethrough; said fabric comprising a front face or "right side", an opposing face or "reverse side", and a "nap" layer interposed between said two faces.
- More particularly, the face forming the "right side" comprises a polyester in weft and chain-stitch arrangement, and also the face forming the "reverse" is made up by a polyester in weft and chain-stitch arrangement, while the "nap" layer interposed between said two faces is formed by a single polyester yarn joining the two faces of the fabric.
- A further basic characteristic of the fabric consists in that the single-filament yarn forming the "nap" is matted between the two faces in such a manner as to provide intermediate spaces through which air can flow freely; at the same time the mat is so formed that the fabric has a good stability.
- The invention will now be described in details with reference to the accompanying drawings, that illustrate a non limiting example, in which:
- Fig. 1 is a diagram of the weft and chain-stitch arrangement forming the "right side" of the fabric;
- Fig. 2 is a diagram of the weft and chain-stitch arrangement forming the "reverse side" of the fabric;
- Fig. 3 is a diagram showing the matted connection between the "right" and the "reverse" sides by means of the single-yarn "nap" member;
- Fig. 4 is a perspective view of a fabric piece in which it is better illustrated the matted connection between the "right" and "reverse" sides by the single-yarn "nap" member;
- Fig. 5 is a perspective view of a knapsack incorporating a back sheet of transpiring fabric.
- As clearly shown in the Figures, the
back 10 of the invention is provided with or is formed by afabric 20, adapted to allow the user's transpiration therethrough; saidfabric 20 has afront face 21 or "right side", anopposing face 23 or "reverse side", and a "nap"layer 25 interposed between said twofaces - More particularly, the
front face 21 or "right side" comprises a polyester in weft and chain-stitch arrangement (see Fig. 1), with theface 23 or "reverse" made up by a polyester in weft and chain-stitch arrangement too (see Fig. 2), while the "nap"layer 25, interposed between said faces, is formed by a single polyester yarn joining the two faces of the fabric (see Fig. 3). - It is to be noted that the single-
filament yarn 25 forming the "nap" is matted between the twofaces
Claims (6)
- A back sheet (10) for knapsacks and similar articles, characterized in that it is provided with or formed by a fabric (20) capable of allowing the user's transpiration therethrough; said fabric (20) comprising a front face or "right side"(21), an opposing face or "reverse side" (23), and a "nap" layer (25) interposed between said two faces (21, 23).
- A back sheet according to claim 1, characterized in that both the face (21) forming the "right side" and the face (23) forming the "reverse side" of said fabric (20) are made up by polyester in a weft and chain-stitch arrangement, with the "nap" layer (25) interposed between said faces (21, 23) being formed by a single polyester yarn joining the two faces of said fabric (20).
- A back sheet according to claims 1 and 2, characterized in that the single filament yarn forming the "nap" (25) of said fabric (20) is matted between said two faces (21, 23) in such a manner as to provide intermediate spaces through which air can flow freely; at the same time the mat being formed in such a manner that the fabric has a good stability.
- A fabric for backs of knapsacks or similar articles according to claim 1, characterized in that it comprises a front face (21) forming the "right side", an opposing face (23) forming the "reverse side", and a "nap" layer (25) interposed between said faces (21, 23).
- A fabric for backs of knapsacks or similar articles according to claim 4, characterized in that both the face (21) forming the "right side" and the face (23) forming the "reverse side " of said fabric (20) are made up by polyester in a weft and chain-stitch arrangement, with the "nap" layer (25) interposed between said faces (21, 23) being formed by a single polyester yarn joining the two faces of said fabric (20).
- A fabric for backs of knapsacks or similar articles according to claims 4 and 5, characterized in that said single-filament yarn forming the "nap" (25) is matted between the two faces (21, 23) in such a manner as to provide intermediate spaces through which air can flow freely; said mat being at the same time formed in such a manner that the fabric has a good stability.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT93TO000291A ITTO930291A1 (en) | 1993-04-28 | 1993-04-28 | BACKREST OF BACKPACKS AND SIMILAR, PERFECTED. |
ITTO930291 | 1993-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0622036A2 true EP0622036A2 (en) | 1994-11-02 |
EP0622036A3 EP0622036A3 (en) | 1994-12-28 |
Family
ID=11411449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93203422A Withdrawn EP0622036A3 (en) | 1993-04-28 | 1993-12-06 | Am improved back sheet for knapsacks and similar articles. |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0622036A3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110284608A1 (en) * | 2010-05-21 | 2011-11-24 | Iris Staudecker | Rucksack with rear ventilation zone |
US20110309124A1 (en) * | 2010-05-14 | 2011-12-22 | Pierre Dubois | Backpack comprising device for variable attachment of shoulder belts |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2851348A1 (en) * | 1977-11-30 | 1979-06-07 | Eiser Ab | Textile fabrics used for mfg. armchair settees or bed loose covers - are warp knitted and consist of two layers interlocked by pile yarns of polypropylene strips |
DE8622768U1 (en) * | 1986-08-25 | 1986-12-04 | Hayler KG GmbH & Co, 8000 München | Backpack |
-
1993
- 1993-12-06 EP EP93203422A patent/EP0622036A3/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2851348A1 (en) * | 1977-11-30 | 1979-06-07 | Eiser Ab | Textile fabrics used for mfg. armchair settees or bed loose covers - are warp knitted and consist of two layers interlocked by pile yarns of polypropylene strips |
DE8622768U1 (en) * | 1986-08-25 | 1986-12-04 | Hayler KG GmbH & Co, 8000 München | Backpack |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110309124A1 (en) * | 2010-05-14 | 2011-12-22 | Pierre Dubois | Backpack comprising device for variable attachment of shoulder belts |
US20110284608A1 (en) * | 2010-05-21 | 2011-11-24 | Iris Staudecker | Rucksack with rear ventilation zone |
US8672203B2 (en) * | 2010-05-21 | 2014-03-18 | Mammut Sports Group Ag | Rucksack with rear ventilation zone |
Also Published As
Publication number | Publication date |
---|---|
EP0622036A3 (en) | 1994-12-28 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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17P | Request for examination filed |
Effective date: 19950324 |
|
17Q | First examination report despatched |
Effective date: 19970121 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19970603 |