Sleeve mold for forming passageway in concrete structures
First Claim
1. A DEVICE FOR USE IN THE POURING OF A CONCRETE STRUCTURE, SUCH AS A WALL, A FLOOR AND THE LIKE, TO FORM A PASSAGEWAY THERETHROUGH, SAID DEVICE COMPRISING (A) A SPLIT SLEEVE, (B) SAID SLEEVE HAVING AT LEAST TWO SLOTS THEREIN ADJACENT ONE SIDE EDGE OF SAID SLEEVE FORMED BY THE SPLIT, (C) THE SLOTS BEING ELONGATED IN A DIRECTION TRANSVERSELY OF SAID SLEEVE AND BEING SPACED APART SO AS TO INCLUDE ONE SLOT DISPOSED IN EACH OF THE OPPOSITE END REGIONS OF SAID SLEEVE, (D) THE SLOT IN ONE OF THE OPPOSITE END REGIONS OF SAID SLEEVE BEING LONGER AND MORE CLOSELY SPACED TO SAID ONE SIDE EDGE THAN THE SLOT IN THE OUTER END REGION OF SAID SLEEVE, (E) A PLURALITY OF TABS STRUCK OUT FROM SAID SLEEVE, SAID TABS BEING OF SUBSTANTIALLY EQUAL WIDTH AND BEING DISPOSED ADJACENT THE OTHER SIDE EDGE OF SAID SLEEVE FORMED BY THE SPLIT AND CORRESPONDING IN NUMBER AND RELATIVE POSITIONS TO THE SLOTS IN SAID SLEEVE, (F) THE SLEEVE PORTIONS ADJACENT SAID SIDE EDGES OF SAID SLEEVE FORMED BY THE SPLIT BEING IN OVERLAPPING RELATIONSHIP, (G) SAID TABS BEING RECEIVED THROUGH THE RESPECTIVE SLOTS CORRESPONDING THERETO, (H) THE TAB CORRESPONDING TO THE LONGER SLOT DISPOSED IN SAID ONE END REGION OF SAID SLEEVE BEING LOOSELY RECEIVED THERETHROUGH TO PROVIDE FOR PLAY THEREBETWEEN, AND (I) THE TAB CORRESPONDING TO THE SLOT DISPOSED IN SAID OTHER END PORTION OF SAID SLEEVE BEING RELATIVELY SNUGLY RECEIVED THERETHROUGH, (J) WHEREBY THE SIZE OF SAID ONE END REGION OF SAID SLEEVE IS RENDERED ADJUSTABLE BY CAUSING RELATIVE MOVEMENT BETWEEN THE LOOSELY INTERCONNECTED TAB AND SLOT DISPOSED IN SAID ONE END REGION.
1 Assignment
0 Petitions
Accused Products
58 Citations
1 Claim
-
1. A DEVICE FOR USE IN THE POURING OF A CONCRETE STRUCTURE, SUCH AS A WALL, A FLOOR AND THE LIKE, TO FORM A PASSAGEWAY THERETHROUGH, SAID DEVICE COMPRISING (A) A SPLIT SLEEVE, (B) SAID SLEEVE HAVING AT LEAST TWO SLOTS THEREIN ADJACENT ONE SIDE EDGE OF SAID SLEEVE FORMED BY THE SPLIT, (C) THE SLOTS BEING ELONGATED IN A DIRECTION TRANSVERSELY OF SAID SLEEVE AND BEING SPACED APART SO AS TO INCLUDE ONE SLOT DISPOSED IN EACH OF THE OPPOSITE END REGIONS OF SAID SLEEVE, (D) THE SLOT IN ONE OF THE OPPOSITE END REGIONS OF SAID SLEEVE BEING LONGER AND MORE CLOSELY SPACED TO SAID ONE SIDE EDGE THAN THE SLOT IN THE OUTER END REGION OF SAID SLEEVE, (E) A PLURALITY OF TABS STRUCK OUT FROM SAID SLEEVE, SAID TABS BEING OF SUBSTANTIALLY EQUAL WIDTH AND BEING DISPOSED ADJACENT THE OTHER SIDE EDGE OF SAID SLEEVE FORMED BY THE SPLIT AND CORRESPONDING IN NUMBER AND RELATIVE POSITIONS TO THE SLOTS IN SAID SLEEVE, (F) THE SLEEVE PORTIONS ADJACENT SAID SIDE EDGES OF SAID SLEEVE FORMED BY THE SPLIT BEING IN OVERLAPPING RELATIONSHIP, (G) SAID TABS BEING RECEIVED THROUGH THE RESPECTIVE SLOTS CORRESPONDING THERETO, (H) THE TAB CORRESPONDING TO THE LONGER SLOT DISPOSED IN SAID ONE END REGION OF SAID SLEEVE BEING LOOSELY RECEIVED THERETHROUGH TO PROVIDE FOR PLAY THEREBETWEEN, AND (I) THE TAB CORRESPONDING TO THE SLOT DISPOSED IN SAID OTHER END PORTION OF SAID SLEEVE BEING RELATIVELY SNUGLY RECEIVED THERETHROUGH, (J) WHEREBY THE SIZE OF SAID ONE END REGION OF SAID SLEEVE IS RENDERED ADJUSTABLE BY CAUSING RELATIVE MOVEMENT BETWEEN THE LOOSELY INTERCONNECTED TAB AND SLOT DISPOSED IN SAID ONE END REGION.
Specification
-
- Resources
-
Current AssigneeBenjamin Electric Manufacturing Company
-
Original AssigneeJames C. Hamrick
-
InventorsHamrick, James C.
-
Application NumberUS04/301,832Time in Patent Office1,092 DaysField of SearchUS Class Current249/177CPC Class CodesE04G 15/061 Non-reusable forms position...Y10T 29/49922 by bending over projecting ...
