Patents Assigned to Officina Meccanica Pisani Luigi
  • Patent number: 4305552
    Abstract: A beaming device for fabrics and in particular for very elastic fabrics is described which comprises a first pair of rollers (3,5) for entraining the fabric from a textile machine, a second pair of rollers consisting of a winding roller 13 around which the said fabric is to be rolled in rolls and driving roller 11. The second pair of rollers turn at a lower speed than the first pair. The winding roller is caused to rotate by the driving roller 11 which in turn is rotated by the entraining roller 3 of the first pair of rollers by means of a transmission comprising a speed controller. The driving roller 11 is arranged between the said first pair of rollers and the beaming roller 23. The fabric to be wound loses any deformation caused by the first pair of rollers when it goes through the part 2' between the two pairs of rollers.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: December 15, 1981
    Assignee: Officina Meccanica Pisani Luigi
    Inventor: Luigi Pisani
  • Patent number: 4231142
    Abstract: In a band-cutting machine comprising a lower frame supporting a cloth-drawing mechanism, a control device for mechanically connecting the rotating parts of the machine, an upper rotatable frame positioned on said lower frame supporting a roll for cloth and a roller stretcher, the improvement which comprises a stop switch positioned on said lower frame, an actuator and a stretch detector carried on said upper rotatable frame, the detector actuating the stop switch through said actuator when the cloth is no longer in a stretched condition when passing through the roller stretcher.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: November 4, 1980
    Assignee: Officina Meccanica Pisani Luigi
    Inventor: Luigi Pisani
  • Patent number: 4106715
    Abstract: A rolling-up machine for lengths of cloth destined for collar-cutting machines, comprising a rolling-up bar, motor to drive the bar, a cloth-drawing roll, motor to drive the roll, a mobile frame carrying fixed stretching bars and a bar carrying the cloth to be rolled up, the mobile frame being able to move transversally to the direction of unrolling of the cloth and continuously align the profile of one of the edges of the cloth roll corresponding to the head of the roll formed on the rolling-up bar, a cloth-stretching roll spaced from and parallel to the cloth-drawing roll and rotating in the same direction; a pair of idler bars seated below the stretching roll on the mobile frame; these idler rolls being pressed one against the other so as to press the cloth passing therethrough and cause a relative transverse sliding motion between the stretching roll and the cloth as a result of the movement of the mobile frame in response to variations of the width of the cloth as detected by sensitive means, the interac
    Type: Grant
    Filed: March 8, 1977
    Date of Patent: August 15, 1978
    Assignee: Officina Meccanica Pisani Luigi
    Inventor: Luigi Pisani