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US 12,181,080 B2Granted
Push-fit pipe fitting with a visual indicator
AssigneePhilmac Pty Ltd
InventorsRaghunath Prabhu, Stuart Watson
Life of this patent
Estimating the term…
Abstract
A push-fit type fitting that can be used to connect a pipe to either another pipe or a variety of other fittings. The fitting includes a visual indicator that provides a visual confirmation to the user once the pipe has been correctly retained in the device.
Claims15
A pipe fitting system, comprising:
- a pipe fitting with an inner body, an outer body, and a pipe;
- the outer body comprising a plurality of transparent windows and a receiving end configured to receive the inner body;
- the inner body comprising a visual indicator and an inlet configured to receive an end of the pipe;
- wherein the pipe and the inner body are advanced into the outer body when the pipe end is inserted into the inner body inlet;
- wherein the visual indicator is visible through the plurality of transparent windows when the pipe is correctly installed in the pipe fitting;
- wherein the pipe is insertable into the pipe fitting when the pipe fitting is in a fully assembled state;
- a locking nut having a threaded end;
- wherein the receiving end of the outer body comprises a threaded surface;
- wherein the locking nut is threaded onto the receiving end of the outer body;
- and
- wherein the inner body is enclosed when the locking nut is threaded onto the outer body.
8 more elements
A pipe fitting, comprising:
- an inner body comprising a visual indicator and a plurality of protruding clips;
- an outer body comprising a plurality of transparent windows and a receiving end configured to receive the inner body, wherein the receiving end includes a threaded surface;
- a locking nut configured to engage the threaded surface of the receiving end of the outer body;
- wherein the inner body is advanced into the outer body as the locking nut is screwed onto the outer body;
- wherein the inner body is fully enclosed when the locking nut is fully engaged with the outer body;
- and
- wherein the visual indicator is observable through the plurality of transparent windows when the locking nut is fully engaged with the outer body.
4 more elements
A method of verifying if a pipe is correctly installed in a pipe fitting, said method comprising:
- providing the pipe fitting comprising an inner body and an outer body;
- providing the inner body with a visual indicator, an inlet configured to receive an end of a pipe, and a plurality of protruding clips;
- providing the outer body with a plurality of transparent windows, a receiving end configured to receive the inner body, and a raised surface configured to engage the inner body protruding clips;
- inserting the end of the pipe into the inner body inlet;
- advancing the inner body and pipe into the outer body;
- wherein upon the inner body protruding clips reaching the outer body raised surface, observing the visual indicator through the plurality of windows to ensure that the pipe is correctly installed.
3 more elements
Dependencies are inferred from the claim text.