Probe body for corrosion tests

Claim 2

A probe body for a corrosion test probe assembly comprising: a. a metallic pipe plug with a top portion of a polygonal configuration and a lower cylindrical portion having a threaded exterior side surface; b. said plug having a cavity formed therein which extends through the top portion to adjacent the lower portion; c. paralleled passageways extending through the bottom portion of said plug into communication with said cavity; d. an insulating member secured within each of said passageways and a metallic terminal pin extending centrally through each of said insulating members, e. a multiconnector electrical fitting secured to the top portion of said plug for enclosing said cavity; f. electrically conductive means within said cavity interconnecting the pins to said electrical fitting, and means to insulate said conductive means from each other and said plug; and g. each of said pins extending from said insulating members exteriorly of said plug carrying a threaded portion whereby an electrode may be releasably secured to each pin and with fluid seal means engaged in fluidtightness between presented end surfaces of said insulating members and electrodes.

Claim 3

ThE probe body of claim 1 wherein each of said parallel passageways are threaded at least in part, and each of said insulating members carry complementary threads whereby said insulating members are threadedly secured into said passageways.

Claim 4

The probe body of claim 2 wherein each of said insulating members is formed of an exteriorly threaded metallic sleeve surrounding in compression a glass element, and each of said terminal pins extends centrally through each of said glass elements and said sleeves, glass elements and pins are sealed into fluidtightness by fusion.

Claim 5

The probe body of claim 1 wherein each of said pins extending from said insulating members exteriorly of said plug carries a full diameter cylindrical portion adjacent each of said insulating members, an intermediate threaded portion, and a reduced diameter end portion adaptable to provide an end abutting surface.

Claim 6

The probe body of claim 1 wherein said cavity is a cylindrical bore extending from the top portion to adjacent the lower portion of said plug, and each of said passageways is a cylindrical bore provided through the lower portion of the plug into communication with said cavity.

Claim 7

The probe body of claim 1 wherein said plug has a plurality of spaced apart threaded openings provided in the top portion for the threaded mounting of said multiconnector electrical fitting to the top of the plug and enclosing said cavity.

Claim 8

A probe body for a corrosion test probe assembly comprising: a. a metallic pipe plug with a top portion of a polygonal configuration and a lower cylindrical portion having a threaded exterior side surface; b. said plug having a cylindrical cavity formed axially thereinto, and said cavity extending through said top portion toward the bottom of said lower portion of said plug; c. parallel passageways formed into said plug in spaced apart relationship, each of said passageways extending through the bottom of said lower portion of said plug into communication with said cavity and with continuous solid portions of said plug surrounding said cavity and each of said passageways; d. each of said passageways being threaded at least in part adjacent their terminus at the bottom of said lower portion of said plug, an insulating member threadedly mounted within each of said passageways in a fluidtight relationship, and each of said insulating members carrying a metallic terminal pin extending centrally therethrough with each insulating member having an end presented surface adaptable to provide a fluid seal means about said pins and each of said terminal pins adapted to receive an electrode extending exteriorly of said plug; e. said plug having a plurality of spaced apart threaded openings provided into said top portion, a multiconnector electrical fitting threadedly mounted in said openings to the top portion of said plug and enclosing said cavity; f. said cavity and passageways having sufficient dimensions to accommodate insulated electrical conductive means within said plug employed for interconnecting said terminal pins and electrical fitting; and g. said passageways being aligned in said plug whereby electrodes mounted upon terminal pins in said insulating members extend perpendicularly away from the bottom of said lower portion in parallel spaced apart relationship.

Claim 9

A probe body for a corrosion test probe assembly comprising: a. a metallic pipe plug with a top portion of a polygonal configuration and a lower cylindrical portion having a threaded exterior side surface; b. said plug having a cylindrical cavity formed axially thereinto, and said cavity extending through said top portion toward the bottom of said lower portion of said plug; c. parallel passageways formed into said plug in spaced apart relationship, each of said passageways extending through the bottom of said lower portion of said plug into communication with said cavity and with continuous solid portions of said plug surrounding said cavity and each of said passageways; d. each of said passageways being threaded at least in part adjacent their terminus at the bottom of said lower portion of said plug, an insulating member threadedly mounted within each of said passageways in a fluidtight relationship, and each of said insulating members carrying a metallic terminal pin extending centrally therethrough with each insulating member having an end presented surface adaptable to provide a fluid seal means about said pins and each of said terminal pins adapted to receive an electrode extending exteriorly of said plug; e. said plug having a plurality of spaced apart threaded openings provided into said top portion, a multiconnector electrical fitting threadedly mounted in said openings to the top portion of said plug and enclosing said cavity; f. said cavity and passageways having sufficient dimensions to accommodate insulated electrical conductive means within said plug employed for interconnecting said terminal pins and electrical fitting; and g. said passageways being aligned in said plug whereby electrodes mounted upon terminal pins in said insulating members extend perpendicularly away from the bottom of said lower portion in parallel spaced apart relationship.

Claim 10

The probe body of claim 7 wherein each said insulating member is formed of an exteriorly threaded metallic sleeve surrounding in compression a glass element, and each of said terminal pins extends centrally through each of said glass elements, and said sleeves, glass elements and pins are sealed into fluidtightness by fusion.

Claim 11

The probe body of claim 8 wherein each of said pins extending from said insulating members exteriorly of said plug carries a full diameter cylindrical portion adjacent each of said insulating members, an intermediate threaded portion, and a reduced diameter end portion adaptable to provide an end abutting surface.

Claim 12

A probe body for A corrosion test probe assembly comprising; a. a metallic probe body having the form of a pipe plug with a top portion of a polygonal configuration and a lower cylindrical portion having a threaded exterior side surface; b. said plug having a cylindrical cavity formed axially thereinto, and said cavity extending through said top portion toward the bottom of said lower portion of said plug; c. parallel passageways formed into said plug in spaced apart relationship, said passageways extending through the bottom of said lower portion of said plug into communication with said cavity and with continuous solid portions of said plug surrounding said cavity and passageways; d. said passageways being threaded at least in part adjacent their terminus at the bottom of said lower portion of said plug for receiving insulating members into threaded mounting within said passageways in a fluidtight relationship and said insulating members being adapted for carrying metallic terminal pins extending centrally therethrough with each insulating member having an end presented surface to receive a fluid seal mounted about said pins; e. said plug having a plurality of spaced apart threaded openings provided into said top portion for the threaded mounting of a multiconnector electrical fitting to the top portion of said plug and enclosing said cavity; f. said cavity and passageways having sufficient dimensions to accommodate insulated electrical conductive means within said plug employed for interconnecting the terminal pins and electrical fitting; and g. said passageways being aligned in said plug whereby electrodes threadedly mounted upon terminal pins and sealed to said insulating members by a fluid seal extend perpendicularly away from the bottom of said portion in parallel spaced apart relationship.

Claim 13

A probe body for A corrosion test probe assembly comprising; a. a metallic probe body having the form of a pipe plug with a top portion of a polygonal configuration and a lower cylindrical portion having a threaded exterior side surface; b. said plug having a cylindrical cavity formed axially thereinto, and said cavity extending through said top portion toward the bottom of said lower portion of said plug; c. parallel passageways formed into said plug in spaced apart relationship, said passageways extending through the bottom of said lower portion of said plug into communication with said cavity and with continuous solid portions of said plug surrounding said cavity and passageways; d. said passageways being threaded at least in part adjacent their terminus at the bottom of said lower portion of said plug for receiving insulating members into threaded mounting within said passageways in a fluidtight relationship and said insulating members being adapted for carrying metallic terminal pins extending centrally therethrough with each insulating member having an end presented surface to receive a fluid seal mounted about said pins; e. said plug having a plurality of spaced apart threaded openings provided into said top portion for the threaded mounting of a multiconnector electrical fitting to the top portion of said plug and enclosing said cavity; f. said cavity and passageways having sufficient dimensions to accommodate insulated electrical conductive means within said plug employed for interconnecting the terminal pins and electrical fitting; and g. said passageways being aligned in said plug whereby electrodes threadedly mounted upon terminal pins and sealed to said insulating members by a fluid seal extend perpendicularly away from the bottom of said portion in parallel spaced apart relationship.