IT1137720B - Procedimento e dispositivo per produrre un materiale di imballaggio - Google Patents
Procedimento e dispositivo per produrre un materiale di imballaggioInfo
- Publication number
- IT1137720B IT1137720B IT22860/81A IT2286081A IT1137720B IT 1137720 B IT1137720 B IT 1137720B IT 22860/81 A IT22860/81 A IT 22860/81A IT 2286081 A IT2286081 A IT 2286081A IT 1137720 B IT1137720 B IT 1137720B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- produce
- packaging material
- packaging
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/468—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in a plurality of parallel streams which unite during the foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
- B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3027643A DE3027643C2 (de) | 1980-07-22 | 1980-07-22 | Verfahren und Vorrichtung zur Herstellung eines Verpackungsmaterials |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8122860A0 IT8122860A0 (it) | 1981-07-10 |
IT1137720B true IT1137720B (it) | 1986-09-10 |
Family
ID=6107756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22860/81A IT1137720B (it) | 1980-07-22 | 1981-07-10 | Procedimento e dispositivo per produrre un materiale di imballaggio |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5751430A (it) |
DE (1) | DE3027643C2 (it) |
GB (1) | GB2080734B (it) |
IT (1) | IT1137720B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5124097A (en) * | 1991-02-08 | 1992-06-23 | The Dow Chemical Company | Method of providing closed-cell polyolefin foam having reduced blowing agent content to the end user |
US8586165B2 (en) * | 2009-03-16 | 2013-11-19 | Storopack, Inc. | Method and machine for making foam cushions |
EP3209478A4 (en) * | 2014-10-23 | 2018-07-04 | 3M Innovative Properties Company | Foaming die and method of use |
JP2017535635A (ja) | 2014-10-23 | 2017-11-30 | スリーエム イノベイティブ プロパティズ カンパニー | 側方融合した発泡体スラブ |
CN104552968B (zh) * | 2015-02-06 | 2018-01-30 | 姜维雁 | 发泡板材的制造系统及制造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB912888A (it) * | 1959-07-22 | 1900-01-01 | ||
DE2224460A1 (de) * | 1972-05-19 | 1973-11-29 | Hoechst Ag | Verfahren und vorrichtung zur herstellung von profilen aus geschaeumten thermoplasten |
-
1980
- 1980-07-22 DE DE3027643A patent/DE3027643C2/de not_active Expired
-
1981
- 1981-07-10 IT IT22860/81A patent/IT1137720B/it active
- 1981-07-15 GB GB8121816A patent/GB2080734B/en not_active Expired
- 1981-07-22 JP JP56113778A patent/JPS5751430A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3027643C2 (de) | 1984-03-01 |
GB2080734A (en) | 1982-02-10 |
IT8122860A0 (it) | 1981-07-10 |
JPS5751430A (en) | 1982-03-26 |
DE3027643A1 (de) | 1982-02-04 |
GB2080734B (en) | 1984-06-27 |
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