GB334271A - Improvements in the manufacture of films - Google Patents

Improvements in the manufacture of films

Info

Publication number
GB334271A
GB334271A GB1045129A GB1045129A GB334271A GB 334271 A GB334271 A GB 334271A GB 1045129 A GB1045129 A GB 1045129A GB 1045129 A GB1045129 A GB 1045129A GB 334271 A GB334271 A GB 334271A
Authority
GB
United Kingdom
Prior art keywords
waterproof
pigment
waterproof layer
film
volume
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
GB1045129A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1045129A priority Critical patent/GB334271A/en
Publication of GB334271A publication Critical patent/GB334271A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/56—Making tipping materials, e.g. sheet cork for mouthpieces of cigars or cigarettes, by mechanical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

334,271. M³nch, C. April 4, 1929. Cigarettes.-A non-transparent composite film of cellulose ester, especially cellulose acetate, for use in tipping cigarettes comprises a very thin layer in which the colour or pigment if present is in insufficient quantity to destroy its waterproof character, and a very thin layer containing sufficient finely divided pigment to render it substantially non-waterproof and give it a matt surface. The film as a whole is waterproof and non- porous, but, owing to the matt surface and porosity of the non-waterproof layer, it may easily be united to the paper of a cigarette by means of an aqueous adhesive. The film may be made by casting one of the layers as a solution upon a surface from which it can afterwards be stripped, allowing it to dry, casting the other layer thereon, allowing this to dry, and finally stripping the united layers as a single film. The pigment in the waterproof layer may consist of dyestuffs, mineral pigments, or metal powder, and the finely divided filler in the non-waterproof layer may be barytes with colouring matter if desired. In an example, the waterproof layer contains 2 parts by weight of bronze powder to each part of acetyl cellulose, i.e. about 1 volume of bronze powder to 3 volumes of acetyl cellulose, and the non- waterproof layer contains about 1 volume of mineral pigment to 1 volume of acetyl cellulose. Reference has been directed by the Comptroller to Specification 337,501.
GB1045129A 1929-04-04 1929-04-04 Improvements in the manufacture of films Expired GB334271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1045129A GB334271A (en) 1929-04-04 1929-04-04 Improvements in the manufacture of films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1045129A GB334271A (en) 1929-04-04 1929-04-04 Improvements in the manufacture of films

Publications (1)

Publication Number Publication Date
GB334271A true GB334271A (en) 1930-09-04

Family

ID=9968097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1045129A Expired GB334271A (en) 1929-04-04 1929-04-04 Improvements in the manufacture of films

Country Status (1)

Country Link
GB (1) GB334271A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013090968A1 (en) 2011-12-23 2013-06-27 Tannpapier Gmbh Mouthpiece lining paper, formed as a film/foil, of a filter cigarette
US9307789B2 (en) 2011-12-01 2016-04-12 Tannpapier Gmbh Mouthpiece lining paper for a smoking article
US9924740B2 (en) 2012-09-17 2018-03-27 Tannpapier Gmbh Layer composite for a filter of an article to smoke
US10104906B1 (en) 2012-09-17 2018-10-23 Tannpapier Gmbh Mouthpiece lining paper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9307789B2 (en) 2011-12-01 2016-04-12 Tannpapier Gmbh Mouthpiece lining paper for a smoking article
WO2013090968A1 (en) 2011-12-23 2013-06-27 Tannpapier Gmbh Mouthpiece lining paper, formed as a film/foil, of a filter cigarette
US9339059B2 (en) 2011-12-23 2016-05-17 Tannpapier Gmbh Mouthpiece lining paper, formed as a film/foil, of a filter cigarette
EA026855B1 (en) * 2011-12-23 2017-05-31 Таннпапир Гмбх Mouthpiece lining paper, formed as a film/foil, of a filter cigarette
US9924740B2 (en) 2012-09-17 2018-03-27 Tannpapier Gmbh Layer composite for a filter of an article to smoke
US10104906B1 (en) 2012-09-17 2018-10-23 Tannpapier Gmbh Mouthpiece lining paper

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