US4702377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray for receiving foodstuffs and a process and apparatus for producing it
Assignee: LIN TEC Verpackungstechnik GmbH
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Filing: 1985-11-19
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Granted: 1987-10-27
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Expires: 2005-11-19
Abstract
Abstract The tray for packs of especially liquid-secreting foodstuffs (for example, meat) is produced from a three-layer sheet, the two outer layers (11, 12) of which consist of foamed polystyrene, while a middle enclosed sheet consists of a narrower strip-shaped insert (13) made of absorbent material (for example, fibrous paper material). In the regions left uncovered by the narrower insert (13), the outer layers (11, 12) are connected directly to one another by means of gluing, welding, etc. The upper layer (11) pointing towards the packaged article has holes (14) which are continuous to the insert (13) and through which liquid (for example, meat juice) flows off and is then stored in the absorbent insert (13).
Inventors
- 👤 Horst D. Grone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:52
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/264; B65D1/00; B65D1/34; B29; B29L; B29L2031/00; B29L2031/712
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
170 words
Tray for receiving liquid-secreting foodstuffs and delicacies, for example meat, fish or poultry, and having a basic tray body having a length and a width and consisting of liquid-tight plastic and an absorbent insert, characterised in that the basic body consists of two layers (11, 12) of liquid-tight plastic between which is embedded, centrally relative to a longitudinal plane between the layers, a liquid-absorbent insert (13), in that the upper layer (11) pointing towards the foodstuff has orifices (14), in that the insert (13) is strip-shaped with a smaller width than said two layers and extends over only a limited region of the tray, so that outside the region of the insert (13) the two layers (11, 12) are in direct contact with one another, in that said basic body has a bottom wall (44), in that the insert extends over the entire length of the two layers (11, 12), and in that the width of the insert (13) corresponds approximately to the width dimension of the bottom wall (44).
Claim 2
Dependent Claim
170 words
Tray for receiving liquid-secreting foodstuffs and delicacies, for example meat, fish or poultry, and having a basic tray body having a length and a width and consisting of liquid-tight plastic and an absorbent insert, characterised in that the basic body consists of two layers (11, 12) of liquid-tight plastic between which is embedded, centrally relative to a longitudinal plane between the layers, a liquid-absorbent insert (13), in that the upper layer (11) pointing towards the foodstuff has orifices (14), in that the insert (13) is strip-shaped with a smaller width than said two layers and extends over only a limited region of the tray, so that outside the region of the insert (13) the two layers (11, 12) are in direct contact with one another, in that said basic body has a bottom wall (44), in that the insert extends over the entire length of the two layers (11, 12), and in that the width of the insert (13) corresponds approximately to the width dimension of the bottom wall (44).
Claim 3
Dependent Claim
55 words
Tray according to claim 1, characterised in that the upper layer (11) and the lower layer (12) form, outside the region of the insert (13), two longitudinal side walls (15) projecting upwards from the bottom wall and which are directly joined to one another to hold the insert (13) loosely between the layers (11, 12).
Claim 4
Dependent Claim
59 words
Tray according to claim 2, characterised in that the orifices (14) are continuous holes in the upper layer (11), and are grouped in two parallel longitudinal rows overlying the insert (13) and extending into two opposite transverse side walls (16) which project upwardly from the bottom wall (44) and which extend transversly relative to the longitudinal side walls (15).
Claim 5
Dependent Claim
27 words
Tray according to claims 1, 2 or 3 wherein said liquid-tight plastic is a foam material selected from the group consisting of extruded polystyrene and expanded polystyrene.
References Cited (Backward Citations)
US3156402A
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US3346400A
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US3468468A
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US3715218A
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US3894679A
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US3915532A
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US4469270A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-26 | 1991-04-27 | 1991-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-26 | 1995-04-27 | 1995-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-26 | 1999-04-27 | 1999-10-27 | $7700.00 | Window Closed / Lapsed |