GB2167009B - Improved foam material - Google Patents

Improved foam material

Info

Publication number
GB2167009B
GB2167009B GB08528236A GB8528236A GB2167009B GB 2167009 B GB2167009 B GB 2167009B GB 08528236 A GB08528236 A GB 08528236A GB 8528236 A GB8528236 A GB 8528236A GB 2167009 B GB2167009 B GB 2167009B
Authority
GB
United Kingdom
Prior art keywords
foam material
improved foam
improved
foam
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
Application number
GB08528236A
Other versions
GB8528236D0 (en
GB2167009A (en
Inventor
Alan John Franks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sound Attenuators Ltd
Original Assignee
Sound Attenuators Ltd
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.)
Filing date
Publication date
Application filed by Sound Attenuators Ltd filed Critical Sound Attenuators Ltd
Publication of GB8528236D0 publication Critical patent/GB8528236D0/en
Publication of GB2167009A publication Critical patent/GB2167009A/en
Application granted granted Critical
Publication of GB2167009B publication Critical patent/GB2167009B/en
Expired legal-status Critical Current

Links

Classifications

    • 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 shape; Layered products comprising a layer 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 shape; Layered products comprising a layer 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
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer 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 an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • 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
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
GB08528236A 1984-11-16 1985-11-15 Improved foam material Expired GB2167009B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848429036A GB8429036D0 (en) 1984-11-16 1984-11-16 Foam material

Publications (3)

Publication Number Publication Date
GB8528236D0 GB8528236D0 (en) 1985-12-18
GB2167009A GB2167009A (en) 1986-05-21
GB2167009B true GB2167009B (en) 1988-02-10

Family

ID=10569849

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848429036A Pending GB8429036D0 (en) 1984-11-16 1984-11-16 Foam material
GB08528236A Expired GB2167009B (en) 1984-11-16 1985-11-15 Improved foam material

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848429036A Pending GB8429036D0 (en) 1984-11-16 1984-11-16 Foam material

Country Status (1)

Country Link
GB (2) GB8429036D0 (en)

Also Published As

Publication number Publication date
GB8429036D0 (en) 1984-12-27
GB8528236D0 (en) 1985-12-18
GB2167009A (en) 1986-05-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee