Robert Harner Carroll

US Patent:

45216452, Jun 4, 1985

Filed:

Jun 16, 1983

Appl. No.:

6/505371

Inventors:

Robert A. Carroll - Altamonte Springs FL

International Classification:

H04M 1104

US Classification:

179 5R

Abstract:

An alarm system apparatus includes a plurality of sets of smoke or heat detectors located throughout a building. A plurality of automatic telephone dialers are also located in the building and each dialer has at least one set of smoke or heat detectors operatively connected thereto. A plurality of localized alarms are connected to the automatic dialer for actuation by the detectors and each automatic dialer is connected to a phone line into a microcomputer having stored thereon the position of each smoke and heat detector. The microcomputer, in turn, has a modem coupling it through the phone lines to a remote terminal. The microcomputer includes a connector for coupling a mobile terminal to the computer from the exterior of the building. In addition, the auto dialer is equipped with a relay for switching in an auxiliary battery supply in the event of power loss.

US Patent:

52737071, Dec 28, 1993

Filed:

Nov 22, 1991

Appl. No.:

7/798863

Inventors:

Robert E. Carroll - Longwood FL

Assignee:

ICP Systems, Inc. - Madison Heights MI

International Classification:

B29C 4526
B29D 2200

US Classification:

264572

Abstract:

An injection mold apparatus has a core and cavity halves. One or more gas poppet valves are affixed in the injection mold either in the movable and/or in the stationary halves of the mold. The poppet valves (or poppets) are located to open into a mold portion formed in the cavity between the movable portion of the injection mold and the fixed mold portion when the mold portions are closed. At least one gas line is connected to the poppets and to a gas pressure source and is adapted to open the poppets to the passage of nitrogen or other gas into the mold following the injection of molten plastic into the closed mold halves. Porous metal covers may be used to cover the opening in the mold either the movable and/or stationary halves of the injection mold in lieu of the gas poppet valves, and the gas pressure through the porous metal cover can be used to carry out the molding operation. An injection molding method is also taught using the injection of nitrogen gas into the mold immediately following the injection of the liquid plastic.

US Patent:

54588464, Oct 17, 1995

Filed:

Jun 15, 1994

Appl. No.:

8/260609

Inventors:

Robert E. Carroll - Longwood FL

International Classification:

B29C 4500
B29D 2200

US Classification:

264572

Abstract:

An injection mold apparatus has a core and cavity halves. One or more gas poppet valves are affixed in the injection mold either in the movable and/or in the stationary halves of the mold. The poppet valves (or poppets) are located to open into a mold portion formed in the cavity between the movable portion of the injection mold and the fixed mold portion when the mold portions are closed. At least one gas line is connected to the poppets and to a gas pressure source and is adapted to open the poppets to the passage of nitrogen or other gas into the mold following the injection of molten plastic into the closed mold halves. Porous metal covers may be used to cover the opening in the mold either the movable and/or stationary halves of the injection mold in lieu of the gas poppet valves, and the gas pressure through the porous metal cover can be used to carry out the molding operation. An injection molding method is also taught using the injection of nitrogen gas into the mold immediately folowing the injection of the liquid plastic.

US Patent:

56435274, Jul 1, 1997

Filed:

Oct 2, 1995

Appl. No.:

8/538081

Inventors:

Robert E. Carroll - Longwood FL

Assignee:

ICP Systems, Inc. - Center Line MI

International Classification:

B29C 4500

US Classification:

264500

Abstract:

An injection mold apparatus has a core and cavity halves. One or more gas poppet valves are affixed in the injection mold either in the movable and/or in the stationary halves of the mold. The poppet valves (or poppets) are located to open into a mold portion formed in the cavity between the movable portion of the injection mold and the fixed mold portion when the mold portions are closed. At least one gas line is connected to the poppets and to a gas pressure source and is adapted to open the poppets to the passage of nitrogen or other gas into the mold following the injection of molten plastic into the closed mold halves. Porous metal covers may be used to cover the opening in the mold either the movable and/or stationary halves of the injection mold in lieu of the gas poppet valves, and the gas pressure through the porous metal cover can be used to carry out the molding operation. An injection molding method is also taught using the injection of nitrogen gas into the mold immediately following the injection of the liquid plastic.