GB704962A - Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material - Google Patents

Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material

Info

Publication number
GB704962A
GB704962A GB2756650A GB2756650A GB704962A GB 704962 A GB704962 A GB 704962A GB 2756650 A GB2756650 A GB 2756650A GB 2756650 A GB2756650 A GB 2756650A GB 704962 A GB704962 A GB 704962A
Authority
GB
United Kingdom
Prior art keywords
sample
sheet
articles
master sample
master
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
GB2756650A
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.)
ALBERT WILLIAM ROBINSON
GEORAMA Ltd
Original Assignee
ALBERT WILLIAM ROBINSON
GEORAMA 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 ALBERT WILLIAM ROBINSON, GEORAMA Ltd filed Critical ALBERT WILLIAM ROBINSON
Priority to GB2756650A priority Critical patent/GB704962A/en
Publication of GB704962A publication Critical patent/GB704962A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/722—Decorative or ornamental articles
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/767—Printing equipment or accessories therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

A pattern for use in the production of a series of articles of moulded or pressed sheet material having similar relief or recessed surfaces is formed by making a master sample by shaping a sheet of thermoplastic material, applying the required inscriptions or lines &c. to the surface and subjecting the sample to heat while resting it on a smooth surface whereby the sample is caused to collapse to substantially its original sheet condition. Copies of the collapsed sample may be produced by printing &c. upon sheets of the same or similar thermoplastic or a thermo-setting material, and the printed sheets pressed singly between dies of a shape and dimension corresponding to those of the master sample. The master sample may be formed of polyvinyl chloride and shaped by pressing while hot between the dies to be used to form the final articles, or the sample may be produced by hand and used as a mould to form the dies. A printing block is usually prepared from the collapsed master sample and used to produce the copies. The master sample after resuming the flat condition may be subjected to light pressure with a sheet of glass or the like. The starting sheets for the samples are usually flat, but may have other shapes, e.g. conforming to sections of a spherical surface so that the finished articles may be assembled to form a globe. Suitable inks for use on the sample comprise or include as a component polyvinyl acetate having a solvent penetrating action on the surface of the sheet. If the master sample is made of transparent material the copying of the distorted pattern may be effected by photographic projection.
GB2756650A 1950-11-10 1950-11-10 Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material Expired GB704962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2756650A GB704962A (en) 1950-11-10 1950-11-10 Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2756650A GB704962A (en) 1950-11-10 1950-11-10 Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material

Publications (1)

Publication Number Publication Date
GB704962A true GB704962A (en) 1954-03-03

Family

ID=10261699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2756650A Expired GB704962A (en) 1950-11-10 1950-11-10 Method of production of articles having relief or recessed surfaces, bearing inscriptions or other representations, from sheet material

Country Status (1)

Country Link
GB (1) GB704962A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225276A (en) * 1988-10-31 1990-05-30 Tomy Co Ltd Moulding a decorated resin plate into a decorated toy body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2225276A (en) * 1988-10-31 1990-05-30 Tomy Co Ltd Moulding a decorated resin plate into a decorated toy body

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