公开(公告)号：US3766741A

公开(公告)日：1973-10-23

申请号：US3766741D

申请日：1972-03-09

Applicant: RAYMOND INT INC

Inventor： HARTZELL C

IPC: E02D7/18 ,  E02D7/24 ,  E02D7/26

CPC classification number: E02D7/24 ,  E02D7/18 ,  E02D7/26

Abstract: Method and apparatus for driving a tubular pile into the ground characterized by filling and retaining a column of liquid in a substantially static condition in the pile, said column extending from substantially the bottom of the pile to a point located a predetermined distance below the top of the pile, while applying driving forces directly to the top of the pile.

Abstract translation: 用于将管状桩驱动到地面中的方法和装置，其特征在于，在桩中基本上静止的状态下填充和保持液体柱，所述柱从桩的基本上从底部延伸到位于 该桩，同时将驱动力直接施加到桩的顶部。

公开(公告)号：US3712066A

公开(公告)日：1973-01-23

申请号：US3712066D

申请日：1970-08-06

Applicant: RAYMOND INT INC

Inventor： HARTZELL C

IPC: E02D3/10 ,  E02B11/00 ,  E02D5/34

CPC classification number: E02D3/106

Abstract: A water filled sand drain hole is filled with sand by pouring the sand down through a conduit extending into the hole while water rises up from the hole outside the conduit and a portion of the rising water is directed over into the conduit to mix with and flush down the incoming sand.

Abstract translation: 一个充满水的沙漏排水孔用沙子填充沙子，将砂子向下通过延伸到孔中的导管，同时水从管道外部的孔上升，一部分上升的水被引导到管道中与之混合并冲洗 下来的沙子。

公开(公告)号：US3736757A

公开(公告)日：1973-06-05

申请号：US3736757D

申请日：1971-03-17

Applicant: RAYMOND INT INC

Inventor： HARTZELL C ,  SCHWARZER T

IPC: E02D5/38 ,  E02D5/48

CPC classification number: E02D5/48 ,  E02D5/385

Abstract: This invention relates to cast-in-situ concrete piles and methods of forming same wherein a shell section is positioned in the ground about the upper portion of a substantially rigid casing so that when the casing is withdrawn from the ground the void formed thereby is filled with concrete from the shell section, thereby preventing dirt and foreign substances from sluffing into the hole.

Abstract translation: 本发明涉及现浇混凝土桩及其形成方法，其中壳体部分围绕基本上刚性的壳体的上部定位在地面中，使得当壳体从地面抽出时，由此形成的空隙被填充 从壳体部分的混凝土，从而防止灰尘和异物溅入孔中。