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DE3636064A1
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Suitcase
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DE3010899A1
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Mine support frame channel profile bolting system - has teeth on claw sides away from bolts, some being on perforated plates
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DE2918175A1
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Bolted coupling for underground coal cutter - has holes in claws and spacing bolt ends for fixing screws
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DE2833791A1
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Trough shaped mine support frame bolting system - has spacing bolts with ends faces fitting against frame exterior
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DE2616328A1
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Mine gallery roof and wall support structure - has arches interconnected by angles supporting tie rods and channel cleats
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DE2614464A1
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Mine support structure I:beam tie attachment - with two clips at each end to retain rod on flanges
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DE2607853A1
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Mine channel support frame strut - has plate bows with bottom anchor eyelets and top holes for intermediate frame
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DE2607854A1
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Mine frame support strut - has anchors over distance between two frames with end claws drawn together by elongate bolts
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DE2607852A1
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Anchor for mine channel support frame - has shaped iron claws with bottom end anchors and stays over frame at top end
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DE2551710A1
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Underground roadway frame support strutting - has tie bolts between frames clawed to frames with nuts and linked to strut bolts by holders
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DE2551709A1
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Underground roadway support frame strut - has tie bolts between frames in parallel holders and holes for additional ties and lagging mat mounting
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DE2542911A1
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Struts for mine support channels - have tie bolts between two frames with end straps and clamps connecting bolts
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DE2542910A1
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Struts for mine channel supports - has tie bolts and spacer angle bars between adjoining frames
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DE2532913A1
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Mine roadway channel frame strutting - has bolt holes registered in struts and brackets to bring clutch bolt parallel to channel stay slopes
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DE2525913A1
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Bolted joint for mine support - has cross angles secured each side of trough shaped member by hook bolts and cleats
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DE2524139A1
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Bolted joint for mine support channels - includes horizontal rod across two channels with bent end and eye bolt supporting channel below
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DE2523607A1
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Spacer between longitudinal mine support beams - is bar attached to straps suspended from tie bolts across beams top and bottom
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DE2522449A1
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Mine tunnel lining support - uses reinforced concrete layer between channel- or I-beam longitudinals with ends matching contour of sides
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DE2522442A1
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Bolted joint for mine supports - uses horizontal eye bolt and two U bolts to secure trough members to cross angle
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DE2522387A1
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Interconnection for parallel I-beam mine supports - includes tie rod supported from spacing angles by eye bolts
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