FR653152A - Improvements to machines for making blanks of envelopes or the like impermeable to moisture - Google Patents

Improvements to machines for making blanks of envelopes or the like impermeable to moisture

Info

Publication number
FR653152A
FR653152A FR653152DA FR653152A FR 653152 A FR653152 A FR 653152A FR 653152D A FR653152D A FR 653152DA FR 653152 A FR653152 A FR 653152A
Authority
FR
France
Prior art keywords
envelopes
impermeable
machines
moisture
making blanks
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
Walter Everett Molins
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 filed Critical
Application granted granted Critical
Publication of FR653152A publication Critical patent/FR653152A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/79—Coating; Impregnating; Waterproofing; Decoating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/742—Coating; Impregnating; Waterproofing; Decoating
FR653152D 1927-04-29 1928-04-20 Improvements to machines for making blanks of envelopes or the like impermeable to moisture Expired FR653152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB653152X 1927-04-29

Publications (1)

Publication Number Publication Date
FR653152A true FR653152A (en) 1929-03-18

Family

ID=10490305

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653152D Expired FR653152A (en) 1927-04-29 1928-04-20 Improvements to machines for making blanks of envelopes or the like impermeable to moisture

Country Status (1)

Country Link
FR (1) FR653152A (en)

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