Static molds – Including destructible feature
Patent
1985-03-26
1986-12-16
Woo, Jay H.
Static molds
Including destructible feature
52297, 52577, 52707, 249134, 249175, 249176, 249219R, B28B 734
Patent
active
046291555
ABSTRACT:
The disclosure is directed to a device for forming a post-receiving cavity in a solid material during the solidification thereof with the device including a clamping element having first and second side walls disposed in facing relationship to each other, with each of the side walls having a vertical extent, and a resilient wall which extends between the first and second side walls and interconnects the first and second side walls intermediate the respective vertical extent of each side wall to thereby divide each side wall into an upper end portion and a lower basal portion. The resilient wall is constructed and configured to cause the upper end portions of the side walls to move outwardly in response to application of an inward lateral force to the lower basal portions of the side walls and also to cause the upper end portions of the side walls to be maintained at a predetermined distance from each other in the absence of any inward lateral force being applied to the lower basal portions. The device also includes a post-receiving cavity from which is made of deformable material and which has at least one dimension that is greater than or equal to the predetermined distance which the resilient wall normally maintains between the upper end portions of the side walls and which is disposed between the upper end portions. The post-receiving cavity form is selectively disposed between the upper end portions so that the dimension of the post-receiving cavity form which is greater than or equal to the predetermined distance between the upper end portions so that the post-receiving cavity form is biasingly retained between the upper end portions by its engagement with the upper end portions.
REFERENCES:
patent: 2407441 (1946-09-01), Painter, Jr.
patent: 3205634 (1965-09-01), Wagner
patent: 3276176 (1966-10-01), Jonsson et al.
patent: 3471117 (1969-10-01), Haney
patent: 3632078 (1972-01-01), Dashew
patent: 3810339 (1974-05-01), Russo
patent: 3912217 (1975-10-01), Norlander
patent: 4124959 (1978-11-01), Hill
Dula-Wright, Inc.
Housel James C.
Woo Jay H.
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