Retaining device

Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – For extrusion or injection type shaping means

Reexamination Certificate

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Details

C425S556000, C425S577000, C425S589000, C425S441000

Reexamination Certificate

active

07431581

ABSTRACT:
A retaining device for an injection mold is disclosed. The retaining device has a device body which has a top surface and a bottom surface. A live bearing is mounted in the device body such that a portion of the live bearing extends above a top surface of the device body. The device is secured such that the live bearing supports movement of a first portion of the injection mold. A shoulder surface is formed where a body head portion interfaces with a body base portion. A spring is disposed around the body base portion such that a spring top is in communication with the shoulder surface, and a spring bottom extends below the bottom surface of the device body. The spring creates a “pre-load” force that will hold the slide in place. Optional washers can be added to the device to adjust the “pre-load.”

REFERENCES:
patent: 3811645 (1974-05-01), Feist
patent: 4174939 (1979-11-01), Fenner
patent: 4403810 (1983-09-01), Bieneck
patent: 4515342 (1985-05-01), Boskovic
patent: 4765585 (1988-08-01), Wieder
patent: 4828480 (1989-05-01), Smith
patent: 4998875 (1991-03-01), Starkey
patent: 5227178 (1993-07-01), Rieker
patent: 5234329 (1993-08-01), Vandenberg
patent: 5312243 (1994-05-01), Mertz
patent: 5397226 (1995-03-01), Vandenberg
patent: 5407344 (1995-04-01), Rombalski, Jr. et al.
patent: 6116891 (2000-09-01), Starkey
patent: 6126429 (2000-10-01), Burger et al.
patent: 6443723 (2002-09-01), Buttigieg
patent: 6589044 (2003-07-01), Navarra-Pruna
patent: 7229269 (2007-06-01), Cerniglia
patent: 2002/0025359 (2002-02-01), Navarra-Pruna
patent: 8-90609 (1996-04-01), None
patent: 2000-346106 (2000-12-01), None
patent: 2001-18262 (2001-01-01), None
Product Description for “Slide Retainer & Positioners”; National Tool and Manufacturing Co., May 2004.
Product Description for “SmartLock Slide Retainer and Limit Switch” and “Mini-Might Slide Retainers”; D-M-E Standard, Date Unknown.
Product Description for “Slide Retainers”; D-M-E Standard, Date Unknown.
Product Description for “Slide-Lock”, pp. 190-193A; 1989 Superior Die Set Corp. Revised Jan. 1992.
Product Description for “Slide Lock: Quality Slide Retention Components”, pp. 2-4; 1997 Superior Die Set Corp.
Product Description from website (hasco.com) of the “Slide Retainer Z 189”; 2004 HASCO.
Product Description for “Retainers”, Catalogue Number RET-1, p. C-32; Progressive Components. Date Unknown.

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