GB300001A - Improvements in material for plastic caps for containers and method of making the same - Google Patents

Improvements in material for plastic caps for containers and method of making the same

Info

Publication number
GB300001A
GB300001A GB2848727A GB2848727A GB300001A GB 300001 A GB300001 A GB 300001A GB 2848727 A GB2848727 A GB 2848727A GB 2848727 A GB2848727 A GB 2848727A GB 300001 A GB300001 A GB 300001A
Authority
GB
United Kingdom
Prior art keywords
compound
rosin
laminations
per cent
impregnated
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
GB2848727A
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.)
LAKEWEST CORP
Original Assignee
LAKEWEST CORP
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 LAKEWEST CORP filed Critical LAKEWEST CORP
Priority to GB2848727A priority Critical patent/GB300001A/en
Publication of GB300001A publication Critical patent/GB300001A/en
Expired legal-status Critical Current

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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/62—Rosin; Derivatives thereof

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

300,001. Marks, E. C. R., (Lakewest Corporation). Oct. 26, 1927. Compound paper.-Material for making plastic caps for containers such as milk bottles comprises several laminations of fibrous material such as crinkled paper which is partially impregnated and fully consolidated with a compound of earthy and resinous substances. Craft or crepe paper is preferably used, and impregnated with a compound consisting of dehydrated terra alba and deodorized rosin, for example, 33 per cent of the former and 67 per cent of the latter. The terra alba is dehydrated by heating to about 375‹ F., and the rosin is deodorized by melting and heating to 350‹ F., and adding 2 per cent of sodium bisulphide. The terra alba and the rosin are mixed at 375‹ F. The laminations of fibrous material are passed between rollers and the compound in liquid form at a temperature of about 260‹ F. is fed between the laminations. As the material is drawn between the rollers the whole is impregnated and consolidated. The colour may be varied for different lots of plastic materials.
GB2848727A 1927-10-26 1927-10-26 Improvements in material for plastic caps for containers and method of making the same Expired GB300001A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2848727A GB300001A (en) 1927-10-26 1927-10-26 Improvements in material for plastic caps for containers and method of making the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2848727A GB300001A (en) 1927-10-26 1927-10-26 Improvements in material for plastic caps for containers and method of making the same

Publications (1)

Publication Number Publication Date
GB300001A true GB300001A (en) 1928-11-08

Family

ID=10276414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2848727A Expired GB300001A (en) 1927-10-26 1927-10-26 Improvements in material for plastic caps for containers and method of making the same

Country Status (1)

Country Link
GB (1) GB300001A (en)

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