Strap former and placement apparatus
    3.
    发明授权
    Strap former and placement apparatus 失效
    表带和布置设备

    公开(公告)号:US3552177A

    公开(公告)日:1971-01-05

    申请号:US3552177D

    申请日:1968-02-19

    Applicant: IBM

    CPC classification number: H05K13/0404 H05K13/0465 Y10T29/5136

    Abstract: APPARATUS FOR FORMING AND DEPOSITING DISCRETE PORTIONS (STRAPS) OF FORMED, PREFERABLY PRETINNED MATERIAL AT A PREDETERMINED POSITION, SUCH AS ON A SUBSTRATE. AS DISCLOSED, THE APPARATUS INCLUDES A PAIR OF CONTIGUOUS FORMING AND DRIVE ROLLS HAVING CIRCUMFERENTIALLY DISPOSED, SUBSTANTIALLY COMPLEMENTARY FORMS ADAPTED FOR RECEIVING AND FORMING THEREBETWEEN AT LEAST ONE CONTINUOUS STRIP OF MATERIAL WHICH IS SUPPLIED TO THE ROLLS ON A REEL TYPE SUPPLY DISPENSER. THE ROLLS FEED THE FORMED STRIP ONTO A TRAY, THE TRAY HAVING, AT ONE END THEREOF, A TERMINAL FIXED FIRST SHEAR END ADAPTED TO COOPERATE WITH A PERPENDICULARLY ORIENTED RECIPROCATING SHEAR BLADE, THE TERMINAL SHEAR END AND SHEAR BLADE OPERATING TO REMOVE THE DISCRETE PORTIONS OF THE STRIPS. THE SHEAR BLADE ALSO INCLUDES VACUUM HOLDING MEANS FOR RETAINING A DISCRETE PORTION (STRAP) UPON SHEAR OF THE STRIP, THE SHEAR MOVING PAST THE TERMINAL SHEAR END FOR DEPOSITING THE DISCRETE PORTION UPON SUBJACENT SUBSTRATES. THE APPARATUS ALSO INCLUDES A NOVEL DIMPLING PAD WHICH OPERATES ADJACENT TO THE SHEAR BLADE FOR PROVIDING AN INDENTATION IN THE STRIP PRIOR TO THE SHEARING OF THE STRIP, SO THAT THE STRAP NEXT TO BE SHEARED AND POSITIONED ON THE SUBSTRATE WILL HAVE DIMPLES THEREIN FOR LOCATION ON PROJECTIONS FROM THE SUBSTRATE.

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