Patents by Inventor Alvaro Enrique ENDO ARRIAGADA

Alvaro Enrique ENDO ARRIAGADA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for preventing spills from inside mining mills, said device maintaining a seal around bolts used to secure mill liners, and maintaining said bolts under tension by means of an elastic action
    Patent number: 10816029
    Abstract: The invention relates to a device for preventing spills from inside mining mills, said device maintaining a seal around bolts used to secure mill liners, such that the bolt remains under tension within a range of several millimetres along the length between the head and the nut of the bolt, with the length covered by the elements compressed between the head of the bolt and the device for preventing pulp leaks in mills, exerting pressure on the washer that provides a seal against leaks from inside the mill. The device comprises one or more pairs of Belleville washers which include an annular space into which a sleeve with an inner seal is inserted. Said sleeve includes a flange of larger diameter to allow the action of the bolt on the Belleville washers, said Belleville washers exerting pressure on the washer that provides a seal against leaks from inside the mill.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: October 27, 2020
    Inventor: Alvaro Enrique Endo Arriagada
  • DEVICE FOR PREVENTING SPILLS FROM INSIDE MINING MILLS, SAID DEVICE MAINTAINING A SEAL AROUND BOLTS USED TO SECURE MILL LINERS, AND MAINTAINING SAID BOLTS UNDER TENSION BY MEANS OF AN ELASTIC ACTION
    Publication number: 20180313392
    Abstract: The invention relates to a device for preventing spills from inside mining mills, said device maintaining a seal around bolts used to secure mill liners, such that the bolt remains under tension within a range of several millimetres along the length between the head and the nut of the bolt, with the length covered by the elements compressed between the head of the bolt and the device for preventing pulp leaks in mills, exerting pressure on the washer that provides a seal against leaks from inside the mill. The device comprises one or more pairs of Belleville washers which include an annular space into which a sleeve with an inner seal is inserted. Said sleeve includes a flange of larger diameter to allow the action of the bolt on the Belleville washers, said Belleville washers exerting pressure on the washer that provides a seal against leaks from inside the mill.
    Type: Application
    Filed: August 30, 2016
    Publication date: November 1, 2018
    Inventor: Alvaro Enrique ENDO ARRIAGADA