FR2071407A5 - Embedding sheets in transparent thermosets - such as photographs - in acrylic sheets - Google Patents

Embedding sheets in transparent thermosets - such as photographs - in acrylic sheets

Info

Publication number
FR2071407A5
FR2071407A5 FR6945213A FR6945213A FR2071407A5 FR 2071407 A5 FR2071407 A5 FR 2071407A5 FR 6945213 A FR6945213 A FR 6945213A FR 6945213 A FR6945213 A FR 6945213A FR 2071407 A5 FR2071407 A5 FR 2071407A5
Authority
FR
France
Prior art keywords
plates
plastic material
sheets
sheet
cement
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
FR6945213A
Other languages
French (fr)
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.)
HATANGA TRUST
Original Assignee
HATANGA TRUST
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 HATANGA TRUST filed Critical HATANGA TRUST
Application granted granted Critical
Publication of FR2071407A5 publication Critical patent/FR2071407A5/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/005—Processes for producing special ornamental bodies comprising inserts
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1207—Heat-activated adhesive

Landscapes

  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A sheet material is embedded permanently in a block of transparent thermosetting plastic material. The sheet is placed between opposing plane faces of plates of the plastic material, the face having previously been rendered rough and coated with a cement based on the same plastic material only partly polymerised, and then treated under heat and pressure until the cement is hardened. A prefd. plastic material is polymethyl methacrylate, the sheet and the plates being bonded by a cement of similar composn. The assembly may be heated to 80 degrees - 160 degrees C. for 20 - 60 mns. under a pressure of 20 - 70 kg/cm2. The process may be applied to thick sheets if the plastic plates are suitable shaped. The process avoids heating the enclosing plates and may be applied to heat sensitive photographic materials.
FR6945213A 1969-11-11 1969-12-29 Embedding sheets in transparent thermosets - such as photographs - in acrylic sheets Expired FR2071407A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2423769 1969-11-11

Publications (1)

Publication Number Publication Date
FR2071407A5 true FR2071407A5 (en) 1971-09-17

Family

ID=11212690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6945213A Expired FR2071407A5 (en) 1969-11-11 1969-12-29 Embedding sheets in transparent thermosets - such as photographs - in acrylic sheets

Country Status (1)

Country Link
FR (1) FR2071407A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666763A1 (en) * 1990-09-18 1992-03-20 Debisschop Jacques Device for setting up (preparing) at least one sheet-like photographic document and method for producing the device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666763A1 (en) * 1990-09-18 1992-03-20 Debisschop Jacques Device for setting up (preparing) at least one sheet-like photographic document and method for producing the device

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Legal Events

Date Code Title Description
ST Notification of lapse