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Interlocking Split Spoon Sampler

Interlocking Split Spoon

Interlocking Split Spoon

We’ve been redefining the drilling industry for 30 years. Our success is a direct result of producing solutions that meet or exceed our clients’ needs. That’s why our mission as a drilling manufacturer remains steadfast: Geoprobe Systems® pioneers and delivers innovative, cutting-edge products for technical drillers.

Our patented interlocking split spoon sampler is a unique geotechnical innovation from Geoprobe® that is engineered to greatly benefit your field team. It is built to be 2X stronger, last longer, and saves both money and field time over a conventional split spoon. Additionally, it meets ASTM Standard D1586 (see diagram).

The interlocking design provides axial alignment of the tube halves, making for a quicker assembly of the sampler. Each time it goes together it self aligns, creating a perfect fit. With the threads aligned, the cutting shoe and drive head can be threaded to the split spoon. The threads are a multi-lead, which requires fewer turns during assembly and disassembly over conventional split spoons. Less time is spent during assembly and disassembly, which speeds up each test interval.

In addition to time savings, the interlocking split sheath has two times the strength and durability of conventional split spoons. Enhanced material properties and manufacturing result in greater longevity. Design plays an important role as well. Each interlocking point keeps the two tube halves engaged throughout the sampling process. The strength of these connections prevents the sampler from bulging in dense materials. It also keeps the tube halves tightly engaged even when over-filling of the sampler occurs.

*Split tube soil sampling system manufactured under U.S. Patent 9,551,188

Interlocking Split Spoon Overview

Interlocking Split Spoon Assembly

Behind the Design - Interlocking Split Spoon

Geoprobe® Automatic Drop Hammer Overview


Key Features

    • The patented interlocking design strengthens the entire sheath
    • Drive heads are available for AWJ drill rods, AW drill rods, NWJ drill rods, 1.75-in. Geoprobe® Probe Rods, and 2.25-in. Geoprobe Probe Rods
    • Sheath stays aligned during impact which eliminates bulging and bowing
    • Enhanced material properties result in greater longevity
    • 2x the Strength & Durability
    • Multi-lead threads = fewer turns to put together and take apart

Tool String Diagram


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