Patent US5772661A successfully refreshed from Google Patents.
Patent FR1287631A successfully refreshed from Google Patents.
FR1287631A
Expired / Lapsed
FR
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Method and device for producing plastic tubes provided with transverse grooves and for tightly pleating synthetic tubes provided with transverse grooves
Assignee: Wilhelm Hegler
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Filing: 1961-03-06
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Granted: 1962-03-16
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Hegler
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 17:46
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0015; B29C49/0021; B29C53/00; B29C53/22; B29C53/30; B29C33/00; B29C33/02; B29C35/00; B29C35/02; B29C35/08; B29C35/16; B29L; B29L2023/00; B29L2023/003
Claims Analysis
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References Cited (Backward Citations)
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