Automatic crimper

Claim 2

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member mounted on a diagonal axis to engage the projecting end of the wrapper adjacent the edge of the roll and to extend divergently relative to the end face of the roll for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; and a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end.

Claim 3

Apparatus according to claim 1, wherein said first member comprises a roller.

Claim 4

Apparatus according to claim 1, wherein said second member comprises a fixed tucking finger mounted to project generally toward the end of a roll carrying the wrapper, and said third member comprises a roller toed toward the tucking finger.

Claim 5

APPARATUS FOR CRIMPING THE PROJECTING END OF ROLL WRAPPER ONTO THE END OF A PAPER ROLL, COMPRISING: A FIRST MEMBER FOR STARTING DISPLACEMENT OF THE PROJECTING WRAPPER END FROM CYLINDRICAL RELATION TO THE ROLL END TOWARD THE ROLL END; A SECOND MEMBER WHICH OPERATES AFTER THE FIRST MEMBER TO TUCK THE DISPLACED END TOWARD THE ROLL END; A THIRD MEMBER FOLLOWING THE TUCKING MEMBER FOR ROLLING THE TUCKS INTO FLAT SUCCESSIVE CRIMPS AGAINST THE ROLL END; AND SAID SECOND MEMBER COMPRISING A FIXED TUCKING FINGER HAVING A SEMICYLINDRICAL TUCKING TIP.

Claim 6

APPARATUS FOR CRIMPING THE PROJECTING END OF ROLL WRAPPER ONTO THE END OF A PAPER ROLL, COMPRISING: A FIRST MEMBER FOR STARTING DISPLACEMENT OF THE PROJECTING WRAPPER END FROM CYLINDRICAL RELATION TO THE ROLL END TOWARD THE ROLL END; A SECOND MEMBER WHICH OPERATES AFTER THE FIRST MEMBER TO TUCK THE DISPLACED END TOWARD THE ROLL END; A THIRD MEMBER FOLLOWING THE TUCKING MEMBER FOR ROLLING THE TUCKS INTO FLAT SUCCESSIVE CRIMPS AGAINST THE ROLL END; AND SAID SECOND MEMBER COMPRISING A FIXED TUCKING FINGER HAVING A SEMICYLINDRICAL TUCKING TIP.

Claim 7

Apparatus For crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said first member being a roller, said second member being a fixed finger, and said third member being a roller.

Claim 8

Apparatus For crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said first member being a roller, said second member being a fixed finger, and said third member being a roller.

Claim 9

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; a crimper mount carrying said members; means for moving said mount between a nonoperating position and a crimping position; and means for extending said first member into first engagement with the projecting roll wrapper end during movement of the crimper mount into the crimping position, followed by movement of the second and third members respectively into crimping position.

Claim 10

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; a crimper mount carrying said members; means for moving said mount between a nonoperating position and a crimping position; and means for extending said first member into first engagement with the projecting roll wrapper end during movement of the crimper mount into the crimping position, followed by movement of the second and third members respectively into crimping position.

Claim 11

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said first member comprising a roller, and a bracket supporting said roller.

Claim 12

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said first member comprising a roller, and a bracket supporting said roller.

Claim 13

Apparatus for crimping the projecting end of a roll wrapper onto the end of a paper roll, comprising; a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said third member being a roller comprising a stack of roller disks.

Claim 14

Apparatus for crimping the projecting end of a roll wrapper onto the end of a paper roll, comprising; a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and said third member being a roller comprising a stack of roller disks.

Claim 15

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and means for applying glue to the flat crimps.

Claim 16

Apparatus for crimping the projecting end of roll wrapper onto the end of a paper roll, comprising: a first member for starting displacement of the projecting wrapper end from cylindrical relation to the roll end toward the roll end; a second member which operates after the first member to tuck the displaced end toward the roll end; a third member following the tucking member for rolling the tucks into flat successive crimps against the roll end; and means for applying glue to the flat crimps.

Claim 17

Apparatus according to claim 9, including separate mounts for said members and for said glue applying means, and means for operating said mounts sequentially to move the members into crimping position while the glue applying means are in an inactive position, and for moving the members to inactive position separated from the roll being crimped and thereafter moving the glue applying means into active position for applying glue to the flattened crimps.

Claim 18

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while the rolls are rotating including respective arms pivotally mounted at one of their ends and carrying siad crimpers at their opposIte ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; a separate carriage pivotally supporting each of said arms; track means supporting said carriages; means for moving said carriages along said track means toward and away from each other for adjusting the crimpers for rolls of different lengths; and means for effecting secondary relative adjustments of the carriages toward and away from one another for efficient initial sizing to roll length and to facilitate separation of the crimpers from the roll ends after completion of a crimping operation.

Claim 19

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while the rolls are rotating including respective arms pivotally mounted at one of their ends and carrying siad crimpers at their opposIte ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; a separate carriage pivotally supporting each of said arms; track means supporting said carriages; means for moving said carriages along said track means toward and away from each other for adjusting the crimpers for rolls of different lengths; and means for effecting secondary relative adjustments of the carriages toward and away from one another for efficient initial sizing to roll length and to facilitate separation of the crimpers from the roll ends after completion of a crimping operation.

Claim 20

Apparatus in the combination of claim 11, wherein each of the crimpers includes a displacement starting roller, a tucking finger and a crimp flattening roller, means mounting the flattening roller in a fixed position on the associated arm, a mount pivotally carried by the associated arm and supporting said displacement starting roller and said finger, and means for rocking said mount to advance the displacement starting roller into wrapper end engagement ahead of the finger and the flattening roller during movement of the crimpers by said arms toward the wrapper ends.

Claim 21

Apparatus for crimping the projecting wrapper ends of wrapped paper rolls, comprising: a pair of complementary crimpers; means for operating said crimpers synchoronously to move into position relative to respective opposite ends of a roll on which the wrapper ends require crimping; and each of said crimpers having a plurality of members operating successively during relative rotary movement of the roll and the crimpers including a first member for starting displacement of the projecting wrapper ends inwardly toward the roll ends, a second member for tucking the wrapper ends toward the roll ends, and a third member for crimping the wrapper ends and flattening the resulting crimps against the roll ends.

Claim 22

Apparatus for crimping the projecting wrapper ends of wrapped paper rolls, comprising: a pair of complementary crimpers; means for operating said crimpers synchoronously to move into position relative to respective opposite ends of a roll on which the wrapper ends require crimping; and each of said crimpers having a plurality of members operating successively during relative rotary movement of the roll and the crimpers including a first member for starting displacement of the projecting wrapper ends inwardly toward the roll ends, a second member for tucking the wrapper ends toward the roll ends, and a third member for crimping the wrapper ends and flattening the resulting crimps against the roll ends.

Claim 23

Apparatus according to claim 13, wherein on each of the crimpers the first member comprises a roller, the second member comprises a tucking finger and the third member comprises a roller.

Claim 24

Apparatus according to claim 13, including a pair of supporting arms each of which has one of said crimpers mounted thereon, means supporting said arms pivotally for movement of said crimpers toward and away from the roll, and means for actuating said arms.

Claim 25

Apparatus according to claim 15, wherein said arm mounting means comprise a pair of respective carriages, means shiftably supporting said carriages for movement toward and away from one another, and means for shiftably moving the carriages to accommodate rolls of varying lengths.

Claim 26

Apparatus according to claim 16, including in combination therewith means for suspending the roll above said crimpers and the arms being movable in an up and down direction for moving the crimpers upwardly into crimping relation to the roll and downwardly into clearance relation to the roll.

Claim 27

Apparatus according to claims 17, including means mounting said crimpers on the arms including a rockable mount for said first and second members of each of the crimpers and means for actuating the rockable mount to advance the first member relative to the third member for commencing a crimping operation.

Claim 28

Apparatus according to claim 15, wherein each of said crimpers has a feeler and orientation roller to engage the roll perimeter adjacent to the wrapper ends.

Claim 29

Apparatus according to claim 15, including crimp gluing means carried by said arms, and means for operating said crimp gluing means after the wrapper ends have been crimped.

Claim 30

Apparatus according to claim 20, wherein said crimp gluing means comprise respective glue applying guns, arms mounting said glue applying guns, means pivotally connecting said glue gun arms on said crimper supporting arms, and means for actuating said glue gun arms relative to said crimper carrying arms.

Claim 31

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while rolls are rotating including respective arms pivotally mounted at one of their ends and carrying said crimpers at their opposite ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; respective crimp gluing guns; rocker arms pivotally mounted on said crimper supporting arms and supporting said guns; and means for actuating said gun carrying arms relative to said crimper arms to move the glue guns into crimp gluing position.

Claim 32

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while rolls are rotating including respective arms pivotally mounted at one of their ends and carrying said crimpers at their opposite ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; respective crimp gluing guns; rocker arms pivotally mounted on said crimper supporting arms and supporting said guns; and means for actuating said gun carrying arms relative to said crimper arms to move the glue guns into crimp gluing position.

Claim 33

Apparatus in the combination of claim 22, including feeler and orientation rollers carried by said gun carrying arms and engagable with the perimeter of the roll adjacent to the crimped wrapper ends.

Claim 34

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while the rolls are rotating including respective arms pivotally mounted at one of their ends and carrying said crimpers at their opposite ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; feeler and orientation rollers carried by said opposite ends of said crimper carrying arms and engagable with the perimeter of the roll adjacent to the wrapper ends.

Claim 35

In combination with means for supporting paper rolls in suspended position on horizontal rotary axes, apparatus for crimping the projecting ends of wrappers on the rolls and comprising: means mounting a pair of crimpers in normally spaced relation below the rolls; means for raising the crimpers into crimping relation to the wrapper ends while the rolls are rotating including respective arms pivotally mounted at one of their ends and carrying said crimpers at their opposite ends for movement into and out of engagement with said projecting wrapper ends; means for actuating said arms; feeler and orientation rollers carried by said opposite ends of said crimper carrying arms and engagable with the perimeter of the roll adjacent to the wrapper ends.