GB1231569A - - Google Patents
Info
- Publication number
- GB1231569A GB1231569A GB1231569DA GB1231569A GB 1231569 A GB1231569 A GB 1231569A GB 1231569D A GB1231569D A GB 1231569DA GB 1231569 A GB1231569 A GB 1231569A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core layer
- additive
- polypropylene
- layers
- additives
- 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
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76598568A | 1968-10-08 | 1968-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1231569A true GB1231569A (ja) | 1971-05-12 |
Family
ID=25075058
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1231569D Expired GB1231569A (ja) | 1968-10-08 | 1969-09-25 |
Country Status (2)
Country | Link |
---|---|
US (1) | UST861034I4 (ja) |
GB (1) | GB1231569A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59133040A (ja) * | 1982-12-04 | 1984-07-31 | レ−ム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 中空室を有する多層のプラスチックウェブ板の製法 |
EP0444917A2 (en) * | 1990-03-01 | 1991-09-04 | W.R. Grace & Co.-Conn. | Packaging film containing an additive |
US5324467A (en) * | 1989-09-22 | 1994-06-28 | Hercules Incorporated | Process for preparation of oriented multilayer laminate film |
WO1995023571A1 (en) * | 1994-03-01 | 1995-09-08 | The Procter & Gamble Company | Process for producing a surfactant treated, formed, polymeric web |
AU734099B2 (en) * | 1994-03-01 | 2001-06-07 | Procter & Gamble Company, The | Process for producing a surfactant treated, formed, polymeric web |
US20110209760A1 (en) * | 2007-10-04 | 2011-09-01 | Antonio Bonucci | Method for manufacturing photovoltaic panels by the use of a polymeric tri-layer comprising a composite getter system |
-
1968
- 1968-10-08 US US861034D patent/UST861034I4/en active Pending
-
1969
- 1969-09-25 GB GB1231569D patent/GB1231569A/en not_active Expired
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59133040A (ja) * | 1982-12-04 | 1984-07-31 | レ−ム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 中空室を有する多層のプラスチックウェブ板の製法 |
JPH0469055B2 (ja) * | 1982-12-04 | 1992-11-05 | Roehm Gmbh | |
US5324467A (en) * | 1989-09-22 | 1994-06-28 | Hercules Incorporated | Process for preparation of oriented multilayer laminate film |
EP0444917A2 (en) * | 1990-03-01 | 1991-09-04 | W.R. Grace & Co.-Conn. | Packaging film containing an additive |
EP0444917A3 (en) * | 1990-03-01 | 1992-03-04 | W.R. Grace & Co.-Conn. | Packaging film containing an additive |
AU646013B2 (en) * | 1990-03-01 | 1994-02-03 | Cryovac, Inc. | Packaging film containing an additive |
US5306745A (en) * | 1990-03-01 | 1994-04-26 | W. R. Grace & Co.-Conn. | Composition for a packaging film containing an additive |
WO1995023571A1 (en) * | 1994-03-01 | 1995-09-08 | The Procter & Gamble Company | Process for producing a surfactant treated, formed, polymeric web |
US5520875A (en) * | 1994-03-01 | 1996-05-28 | The Procter & Gamble Company | Process for producing a surfactant treated, formed, polymeric web |
AU734099B2 (en) * | 1994-03-01 | 2001-06-07 | Procter & Gamble Company, The | Process for producing a surfactant treated, formed, polymeric web |
US20110209760A1 (en) * | 2007-10-04 | 2011-09-01 | Antonio Bonucci | Method for manufacturing photovoltaic panels by the use of a polymeric tri-layer comprising a composite getter system |
US9595626B2 (en) * | 2007-10-04 | 2017-03-14 | Saes Getters S.P.A. | Method for manufacturing photovoltaic panels by the use of a polymeric tri-layer comprising a composite getter system |
Also Published As
Publication number | Publication date |
---|---|
UST861034I4 (en) | 1969-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |