FR2208767A1 - Corrugation of hollow thermoplastic board - by heating and vacuum forming bridged profiles - Google Patents
Corrugation of hollow thermoplastic board - by heating and vacuum forming bridged profilesInfo
- Publication number
- FR2208767A1 FR2208767A1 FR7243932A FR7243932A FR2208767A1 FR 2208767 A1 FR2208767 A1 FR 2208767A1 FR 7243932 A FR7243932 A FR 7243932A FR 7243932 A FR7243932 A FR 7243932A FR 2208767 A1 FR2208767 A1 FR 2208767A1
- Authority
- FR
- France
- Prior art keywords
- panels
- vacuum forming
- corrugation
- profiles
- heating
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/023—Half-products, e.g. films, plates
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/006—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor for making articles having hollow walls
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2024/00—Articles with hollow walls
- B29L2024/006—Articles with hollow walls multi-channelled
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
Abstract
Curved panels made by external heating and gross reshaping of prefabricated panels comprising two flat sheets separated by intermediate partitions or bridging pieces. Heat input is controlled to soften the outer sheets sufficiently for vacuum forming without weakening the internal spacers. The heated platens used to warm the surface may incorporate ancillary ribs to cause divisions or collapse of the bridge structure to form hinge zones or panel subdivisions. Esp. for mfr. of undulating hollow panels which may be laminated in a running or crossply fashion with similar undulating or flat panels to make various packaging or insulation structures of e.g. ethylene-propylene copolymer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7243932A FR2208767A1 (en) | 1972-12-06 | 1972-12-06 | Corrugation of hollow thermoplastic board - by heating and vacuum forming bridged profiles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7243932A FR2208767A1 (en) | 1972-12-06 | 1972-12-06 | Corrugation of hollow thermoplastic board - by heating and vacuum forming bridged profiles |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2208767A1 true FR2208767A1 (en) | 1974-06-28 |
FR2208767B1 FR2208767B1 (en) | 1976-01-30 |
Family
ID=9108466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7243932A Granted FR2208767A1 (en) | 1972-12-06 | 1972-12-06 | Corrugation of hollow thermoplastic board - by heating and vacuum forming bridged profiles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2208767A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081781A2 (en) * | 1981-12-15 | 1983-06-22 | LEAR S.n.c. di FOGGINI & C. | Self-supporting polymeric material, particularly for fabricating motorvehicle interior panels, roof panels and works, manufacturing method therefor, and interior panels and works produced with said material and method |
FR2594421A1 (en) * | 1986-02-14 | 1987-08-21 | Locagraf | Retention container |
FR2607434A1 (en) * | 1986-11-28 | 1988-06-03 | Beghin Say Sa | Method for thermoforming an internally braced dual-wall panel |
EP1173319B1 (en) * | 1999-04-26 | 2003-03-05 | KR-Porsiplast Verpackungssysteme GmbH | Method for shaping thermoplastic hollow boards |
US6613269B1 (en) | 1999-04-26 | 2003-09-02 | Kr-Porsiplast Verpackungssysteme Gmbh | Method and device for shaping hollow bodies made of thermoplastic material |
WO2017120093A1 (en) * | 2016-01-05 | 2017-07-13 | Dow Global Technologies Llc | Thermoformed microcapillary sheeting |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3220595A (en) * | 1959-12-10 | 1965-11-30 | Illinois Tool Works | Thin wall container with strengthening and insulating characteristics |
-
1972
- 1972-12-06 FR FR7243932A patent/FR2208767A1/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3220595A (en) * | 1959-12-10 | 1965-11-30 | Illinois Tool Works | Thin wall container with strengthening and insulating characteristics |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081781A2 (en) * | 1981-12-15 | 1983-06-22 | LEAR S.n.c. di FOGGINI & C. | Self-supporting polymeric material, particularly for fabricating motorvehicle interior panels, roof panels and works, manufacturing method therefor, and interior panels and works produced with said material and method |
EP0081781A3 (en) * | 1981-12-15 | 1984-09-26 | Lear S.N.C. Di Foggini & C. | Self-supporting polymeric material, particularly for fabricating motorvehicle interior panels, roof panels and works, manufacturing method therefor, and interior panels and works produced with said material and method |
FR2594421A1 (en) * | 1986-02-14 | 1987-08-21 | Locagraf | Retention container |
FR2607434A1 (en) * | 1986-11-28 | 1988-06-03 | Beghin Say Sa | Method for thermoforming an internally braced dual-wall panel |
EP1173319B1 (en) * | 1999-04-26 | 2003-03-05 | KR-Porsiplast Verpackungssysteme GmbH | Method for shaping thermoplastic hollow boards |
US6613269B1 (en) | 1999-04-26 | 2003-09-02 | Kr-Porsiplast Verpackungssysteme Gmbh | Method and device for shaping hollow bodies made of thermoplastic material |
US6923928B1 (en) | 1999-04-26 | 2005-08-02 | Kr-Porsiplast Verpackungssysteme Gmbh | Method and device for shaping thermoplastic hollow boards |
WO2017120093A1 (en) * | 2016-01-05 | 2017-07-13 | Dow Global Technologies Llc | Thermoformed microcapillary sheeting |
Also Published As
Publication number | Publication date |
---|---|
FR2208767B1 (en) | 1976-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |