Drafting machines or arrangements Threading of roving into drafting machine

DTEXTILES PAPER D01Threads, fibers D01HSPINNING OR TWISTING

D01H5/00Drafting machines or arrangements Threading of roving into drafting machine

D01H5/005Arrangements for feeding or conveying the slivers to the drafting machine D01H5/02Gill boxes or other drafting machines employing fallers or like pinned bars D01H5/04with pinned bars actuated by screw members D01H5/06Intersecting gill boxes D01H5/08with bars connected by links, chains, or the like D01H5/10with pinned bars unconnected with each other but actuated through pressure of one against another D01H5/12Details D01H5/14Pinned bars D01H5/16Framework Casings Coverings D01H5/18Drafting machines or arrangements without fallers or like pinned bars D01H5/20in which fibres are controlled by contact with stationary or reciprocating surfaces D01H5/22in which fibres are controlled by rollers only D01H5/24with porcupines or like pinned rotary members D01H5/26in which fibres are controlled by one or more endless aprons D01H5/28in which fibres are controlled by inserting twist during drafting D01H5/30incorporating arrangements for severing continuous filaments D01H5/32Regulating or varying draft D01H5/34by manual adjustments D01H5/36according to a pre-arranged pattern D01H5/38in response to irregularities in material; Measuring irregularities D01H5/385employing hydraulic or pneumatic time-delay devices D01H5/40employing mechanical time-delay devices D01H5/42employing electrical time-delay devices D01H5/44Adjusting drafting elements D01H5/46Loading arrangements D01H5/48using weights D01H5/50using springs D01H5/505for top roller arms D01H5/52using fluid pressure D01H5/525for top roller arms D01H5/54using magnetic arrangements D01H5/56Supports for drafting elements D01H5/565Top roller arms D01H5/58Arrangements for traversing drafting elements D01H5/60Arrangements maintaining drafting elements free of fibre accumulations D01H5/62Non-rotary cleaning pads or plates Scrapers D01H5/625in cooperation with suction or blowing means D01H5/64Rollers or aprons with cleaning surfaces D01H5/645in cooperation with suction or blowing means D01H5/66Suction devices exclusively D01H5/68Suction end-catchers D01H5/70Constructional features of drafting elements D01H5/72Fibre-condensing guides D01H5/74Rollers or roller bearings D01H5/76Loose-boss assemblies D01H5/78with flutes or other integral surface characteristics D01H5/80with covers Cots or covers D01H5/82Arrangements for coupling roller sections D01H5/84Porcupines D01H5/86Aprons Apron supports Apron tensioning arrangements D01H5/88Cradles Tensors