GB1305489A – – Google Patents
GB1305489A – – Google Patents
Info
Publication number
GB1305489A
GB1305489A
GB1305489DA
GB1305489A
GB 1305489 A
GB1305489 A
GB 1305489A
GB 1305489D A
GB1305489D A
GB 1305489DA
GB 1305489 A
GB1305489 A
GB 1305489A
Authority
GB
United Kingdom
Prior art keywords
sheet
projections
base plane
centres
coincident
Prior art date
1970-09-24
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
Application number
Priority date (The priority date 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 date listed.)
1970-09-24
Filing date
1970-09-24
Publication date
1973-01-31
1970-09-24
Application filed
filed
Critical
1973-01-31
Publication of GB1305489A
publication
Critical
patent/GB1305489A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
B65D65/38—Packaging materials of special type or form
B65D65/44—Applications of resilient shock-absorbing materials, e.g. foamed plastics material, honeycomb 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
B29C51/10—Forming by pressure difference, e.g. vacuum
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Abstract
1305489 Sheet forming OMEGA PLASTICS Ltd 22 July 1971 [24 Sept 1970] 45625/70 Heading B5A [Also in Division B8] A sheet of packing material, used to protect contents in containers, comprises a thin sheet of microcellular expanded polystyrene which has been vacuum moulded to produce a series of rows of projections 2 on one, and corresponding recesses 3 on the other, side. The sheets, which are each of the order of 1 mm. thick, can be stacked, to provide the required packaging thickness, and also for storage. As shown in Figs. 1, 2 the projections 2 are arranged in a regular pattern and are circular in cross-section, the distance between the centres of the projections preferably being no more than three times the height of a projection above the base plane of a sheet. In a modification, Figs. 4, 5, not shown, the projections (7) are of annular form and have their bases (10) coincident with the base plane of the sheet.
GB1305489D
1970-09-24
1970-09-24
Expired
GB1305489A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB4562570
1970-09-24
Publications (1)
Publication Number
Publication Date
GB1305489A
true
GB1305489A
(en)
1973-01-31
Family
ID=10437939
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1305489D
Expired
GB1305489A
(en)
1970-09-24
1970-09-24
Country Status (1)
Country
Link
GB
(1)
GB1305489A
(en)
Cited By (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2531310A1
(en)
*
1982-08-04
1984-02-10
Drachkovitch Albert
Box for fishing weights.
FR2674510A1
(en)
*
1991-03-25
1992-10-02
Lauragri Sa
Package for concave-bottomed bottles
GB2272662A
(en)
*
1992-11-21
1994-05-25
Hadley Ind Plc
Sheet material,method of producing same and rolls for use in the method
US6547280B1
(en)
1998-11-21
2003-04-15
Cellbond Limited
Energy-absorbing structures
US6908143B2
(en)
1998-11-21
2005-06-21
Cellbond Limited
Energy-absorbing structure
US7947380B2
(en)
2007-11-13
2011-05-24
Hadley Industries Overseas Holdings Limited
Sheet material
1970
1970-09-24
GB
GB1305489D
patent/GB1305489A/en
not_active
Expired
Cited By (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2531310A1
(en)
*
1982-08-04
1984-02-10
Drachkovitch Albert
Box for fishing weights.
FR2674510A1
(en)
*
1991-03-25
1992-10-02
Lauragri Sa
Package for concave-bottomed bottles
GB2272662A
(en)
*
1992-11-21
1994-05-25
Hadley Ind Plc
Sheet material,method of producing same and rolls for use in the method
GB2272662B
(en)
*
1992-11-21
1996-09-04
Hadley Ind Plc
Sheet material, method of producing same and rolls for use in the method
US5689990A
(en)
*
1992-11-21
1997-11-25
Hadley Industries Plc
Sheet material, method of producing same and rolls for use in the method
US6547280B1
(en)
1998-11-21
2003-04-15
Cellbond Limited
Energy-absorbing structures
US6908143B2
(en)
1998-11-21
2005-06-21
Cellbond Limited
Energy-absorbing structure
US7947380B2
(en)
2007-11-13
2011-05-24
Hadley Industries Overseas Holdings Limited
Sheet material
US7992418B1
(en)
2007-11-13
2011-08-09
Hadley Industries Overseas Holdings Limited
Sheet material
US9138796B2
(en)
2007-11-13
2015-09-22
Hadley Industries Overseas Holdings Limited
Sheet material
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Legal Events
Date
Code
Title
Description
1973-06-13
PS
Patent sealed
1974-06-05
433D
Application made for revocation (sect. 33/1949)
1975-10-08
433B
Case decided by the comptroller ** patent revoked (sect. 33/1949)
