Nova Patents
ZA893409B

Foam composite and method of forming same

Abstract

Foam laminates wherein the bond between the foam layer and the adjacent layer is enhanced by mechanical keying, which exhibit excellent surface finishes and are suitable in a wide variety of uses are obtained very simply in a single step and without the need for complicated molding equipment or expensive mold materials by a method comprising: (i) providing a solid body of foamed material comprising foamed synthetic resin with or without a filler, said body containing substantially an open-cell structure and having a face containing pores open to the surface;(ii) applying to or forming on said face a layer of viscous or pasty settable material;(iii) applying pressure to the layer to force some of the material to enter into at least some of said pores while in the unset state and simultaneously to mold the external surface of the layer; and thereafter(iv) causing or allowing said settable material to set whereby to form a foam laminate including a layer of set material which is mechanically keyed to said solid body of foamed material.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

13 members in 10 offices

This recordMember, by publication datePriority claim

Priority claims3

Priority claims
DocumentOfficeKindDate
8811033United KingdomA
888811033–––
GB19880011033–––

Members13

Family members, oldest first
DocumentOfficeKind
GB8811033D0United KingdomD0
AU3462789AAustraliaA
JPH01317754AJapanA
EP0348033A2European Patent Office (EPO)A2
CN1039756AChinaA
ZA893409BThis recordSouth AfricaB
EP0348033A3European Patent Office (EPO)A3
US5060291AUnited States of AmericaA
NZ229043ANew ZealandA
AU621884B2AustraliaB2
IN171488BIndiaB
CN1022816CChinaC
CA1333240CCanadaC