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Priority to DEK122785DpriorityCriticalpatent/DE571814C/de
Application grantedgrantedCritical
Publication of DE571814CpublicationCriticalpatent/DE571814C/de
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
E06B9/08—Roll-type closures
E06B9/18—Roll-type grilles
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Engineering & Computer Science
(AREA)
Structural Engineering
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Description
Hierzu 1 Blatt Zeichnuügen
Claims (1)
Patentanspruch:
Anwendung des Verfahrens zur Herstellung eines Rollschutzgitters nach Patent
511 246 auf Stäbe, die in bekannter Art mit nach entgegengesetzten Richtungen
verlaufenden Abkröpfungen (k) versehen sind.
DEK122785DVerfahren zur Herstellung eines Rollschutzgitters
ExpiredDE571814C
(de)