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DE452565C
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Beading machine
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DE442260C
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Device for welding flat or cylindrical workpieces on longitudinal seam welding machines
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DE433624C
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Preheating device for longitudinal seam welding machines
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DE405169C
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Packaging vessel with welded-on bases or cover parts
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DE412543C
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Process for increasing the strength of the casing of packaging vessels
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DE415075C
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Vessel closure, consisting of an expanding ring with an angular profile that is used to fix the lid
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DE372872C
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Vessel closure for transport vessels, e.g. B. barrels, drums, cans, etc., by means of internal clamping toggles secured against rotation
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DE446450C
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Adjustment device for the torch of oxy-fuel welding machines
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DE406597C
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Spreader ring closure for metal vessels with a ring bed consisting of two separate rings
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DE442068C
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Longitudinal seam welding machine
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DE416142C
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Process for the production of mesh baskets for acid balloons
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DE412352C
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Process for the production of metal grids from individual elements lying on top of one another like scales by means of electrical spot welding
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