CH298987A - Process for converting massive structures made of swellable material into seamless hollow bodies. - Google Patents

Process for converting massive structures made of swellable material into seamless hollow bodies.

Info

Publication number
CH298987A
CH298987A CH298987DA CH298987A CH 298987 A CH298987 A CH 298987A CH 298987D A CH298987D A CH 298987DA CH 298987 A CH298987 A CH 298987A
Authority
CH
Switzerland
Prior art keywords
converting
hollow bodies
swellable material
structures made
seamless hollow
Prior art date
Application number
Other languages
German (de)
Inventor
Opavsky Walter
Original Assignee
Opavsky Walter
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 Opavsky Walter filed Critical Opavsky Walter
Publication of CH298987A publication Critical patent/CH298987A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/02—Chemical treatment or coating of shaped articles made of macromolecular substances with solvents, e.g. swelling agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Moulding By Coating Moulds (AREA)
CH298987D 1950-05-30 1951-05-21 Process for converting massive structures made of swellable material into seamless hollow bodies. CH298987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE298987X 1950-05-30

Publications (1)

Publication Number Publication Date
CH298987A true CH298987A (en) 1954-05-31

Family

ID=6091141

Family Applications (1)

Application Number Title Priority Date Filing Date
CH298987D CH298987A (en) 1950-05-30 1951-05-21 Process for converting massive structures made of swellable material into seamless hollow bodies.

Country Status (2)

Country Link
CH (1) CH298987A (en)
GB (1) GB706632A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3424826A (en) * 1964-07-08 1969-01-28 Monsanto Co Method for selective absorption of foaming agent in foaming plastic articles

Also Published As

Publication number Publication date
GB706632A (en) 1954-03-31

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