Files

Download

Download Full Text (263 KB)

Patent Number

990,780

Application Date

February 19, 1909

Issue Date

April 25, 1911

Publication Date

4-25-1911

Country of Publication

United States

Description

My invention relates to automatic sprinklers in which a water nozzle is closed by a cap, normally held in position under pressure by a cap retaining device, containing a fusible member that allows the cap retaining device to collapse under pressure when .a pre-determined degree of heat has been reached, and it consists in the construction and arrangement of parts as hereinafter described and pointed out in the annexed claims.

-George I. Rockwood

Keywords

George I. Rockwood, Worcester MA, automatic sprinkler, sprinkler, Rockwood

Disciplines

Industrial Engineering | Manufacturing

Language

English

Format

application/pdf

Type

article

Automatic Sprinkler


Share

COinS