NL6814692A - Foamed plastic material covered with paper layers - Google Patents

Foamed plastic material covered with paper layers

Info

Publication number
NL6814692A
NL6814692A NL6814692A NL6814692A NL6814692A NL 6814692 A NL6814692 A NL 6814692A NL 6814692 A NL6814692 A NL 6814692A NL 6814692 A NL6814692 A NL 6814692A NL 6814692 A NL6814692 A NL 6814692A
Authority
NL
Netherlands
Prior art keywords
layers
foamed plastic
plastic material
adhesive
paper layers
Prior art date
Application number
NL6814692A
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 filed Critical
Priority to NL6814692A priority Critical patent/NL6814692A/en
Publication of NL6814692A publication Critical patent/NL6814692A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/32—Multi-ply with materials applied between the sheets
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/54—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length in the form of expandable particles or beads
    • 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
    • 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
    • B29L2007/00—Flat articles, e.g. films or sheets
    • 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
    • B29L2009/00—Layered products
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls

Landscapes

  • Laminated Bodies (AREA)

Abstract

Foamed plastic layers covered on both sides with layers of paper or similar material are produced by (a) supplying the cover layers from a supply roller, (b) providing the sides of the layers directed towards the foamed plastic layer with this adhesive film, (c) placing expandable plastic granules on the adhesive film of at least one of the layers, (d) leading the layers towards each other so that the plastic granules are enclosed between the layers, and (e) passing the composite material between heating elements, in order to expand the plastic granules. The adhesive layer provides good bonding between the foamed plastic layer and core layers, and the amount of adhesive required is small.
NL6814692A 1968-10-14 1968-10-14 Foamed plastic material covered with paper layers NL6814692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6814692A NL6814692A (en) 1968-10-14 1968-10-14 Foamed plastic material covered with paper layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6814692A NL6814692A (en) 1968-10-14 1968-10-14 Foamed plastic material covered with paper layers

Publications (1)

Publication Number Publication Date
NL6814692A true NL6814692A (en) 1970-04-16

Family

ID=19804921

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6814692A NL6814692A (en) 1968-10-14 1968-10-14 Foamed plastic material covered with paper layers

Country Status (1)

Country Link
NL (1) NL6814692A (en)

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