FR421790A - Process for the manufacture of tubes of hollow mats, etc. - Google Patents

Process for the manufacture of tubes of hollow mats, etc.

Info

Publication number
FR421790A
FR421790A FR421790DA FR421790A FR 421790 A FR421790 A FR 421790A FR 421790D A FR421790D A FR 421790DA FR 421790 A FR421790 A FR 421790A
Authority
FR
France
Prior art keywords
tubes
manufacture
mats
hollow
hollow mats
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
Other languages
French (fr)
Inventor
Hans Siegwart
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
Application granted granted Critical
Publication of FR421790A publication Critical patent/FR421790A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
FR421790D 1910-02-19 1910-10-24 Process for the manufacture of tubes of hollow mats, etc. Expired FR421790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH421790X 1910-02-19

Publications (1)

Publication Number Publication Date
FR421790A true FR421790A (en) 1911-03-04

Family

ID=1464805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR421790D Expired FR421790A (en) 1910-02-19 1910-10-24 Process for the manufacture of tubes of hollow mats, etc.

Country Status (1)

Country Link
FR (1) FR421790A (en)

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