General Information

Serial #

8239

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL; CLAY CRUCIBLE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

31.0 cm

Width

10.1 cm

Height

20.6 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Medical Technology

Category

Dentistry

Sub-Category

N/A

Manufacturer

AKA

PATTERSON

Country

United States of America

State/Province

Michigan

City

Minneapolis

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

Unknown

Function

USED TO FORCE MOLTEN GOLD IN A MOULD IN ORDER TO PRODUCE AN INLAY OR CROWN.

Technical

CENTRIFUGAL CASTING MACHINES ARE MORE COMMONLY USED THAN THE AIR PRESSURE TYPE. CENTRIFUGAL FORCE IS USED TO PUSH MOLTEN GOLD INTO ALL PARTS OF THE MOULD. THE GOLD IS HEATED IN THE CRUCIBLE IN THE CASTING MACHINE & KEPT IN A MOLTEN STATE WITH A GAS-AIR BLOW TORCH; THECASTING RING CONTAINING MOULD IS PLACED ON THE MACHINE. THE SPRING IS WOUND BY HAND & WHEN IT IS RELEASED, THE PORTION OF THE MACHINE CONTAINING THE MOLTEN GOLD & THE CASTING RING IS SPUN IN A PARALLEL MOTION TO THE FLOOR, FORCING THE GOLD INTO THE MOULD. (PARK, PP. 267-68; 384-85.)/

Area Notes

Unknown

Details

Markings

MFR'S PLATE

Missing

N/A

Finish

GRAY FINISH.

Decoration

N/A