| Patent Number |
Title Of Patent |
Date Issued |
| 5100013 |
Plastic closure |
March 31, 1992 |
| The closure includes a bottle cap having a thread on the inner surface of the side wall and a hollow plastic container having an open neck end including a lip region with an outer threaded wall portion extending downwardly therefrom and engagable with the thread on the cap. The lip r |
| 5038947 |
Self-stabilizing base for pressurized bottle |
August 13, 1991 |
| A blow molded, biaxially oriented plastic container with a bottom portion including an axially, inwardly directed generally conical portion, a standing section on which the container rests, a heel portion joining the bottom portion and container body portion, and a hinge portion joining |
| 5020683 |
Plastic closure |
June 4, 1991 |
| The closure includes a bottle cap having a thread on the inner surface of the side wall and a hollow plastic container having an open neck end including a lip region with an outer threaded wall portion extending downwardly therefrom and engagable with the thread on the cap. The lip r |
| 4969563 |
Self-stabilizing base for pressurized bottle |
November 13, 1990 |
| A blow molded, biaxially oriented plastic container with a bottom portion including an axially, inwardly directed generally conical portion, a standing section on which the container rests, a heel portion joining the bottom portion and container body portion, and a hinge portion joining |
| 4950514 |
Plastic preform for forming blow molded plastic bodies |
August 21, 1990 |
| A plastic preform for forming blow molded plastic containers wherein the inside wall face of the tubular body portion adjacent the bottom structure and extending onto the bottom structure has a plurality of faces with terminal portions thereof. Scallop-shaped segments are provided connec |
| 4885197 |
Plastic preform for forming blow molded plastic bottles |
December 5, 1989 |
| A plastic preform for forming blow molded plastic containers wherein the inside wall face of the tubular body portion adjacent the bottom structure and extending onto the bottom structure has a plurality of flat faces with terminal portions thereof. Scallop-shaped segments are provided c |
| 4880593 |
Method for preparing blow molded plastic container |
November 14, 1989 |
| A method for preparing a blow molded plastic container having a thickened bottom structure from a plastic preform. The plastic preform and resultant container have a neck portion defining an opening, a tubular body portion depending therefrom and an integral bottom structure depending fr |
| 4878648 |
Insert valve |
November 7, 1989 |
| A removable insert valve provided with a piston which can be displaced in a bore in a valve housing by pressure fluid action, there being formed at one end of the bore a valve seat and a pressure fluid passage leading through the housing traversely to the bore. The piston is free of O-ri |
| 4785948 |
Blow molded plastic container having a reinforced wall structure and preform therefor |
November 22, 1988 |
| A plastic preform for forming blow molded plastic containers and plastic containers wherein the container has a tubular body portion adjacent a bottom portion and extending onto said bottom portion having circumferentially spaced, radially extending, continuous alterations in wall th |
| 4143974 |
Apparatus for plasticizing granular synthetic plastic materials |
March 13, 1979 |
| A plasticizing and melting apparatus for granular synthetic plastic material has a heatable cylinder one end of which has an inlet opening for reception of granular material from an adjustable feeding unit which includes a shaker. The cylinder surrounds a rotary feed screw having a m |
| 4023466 |
Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection as |
May 17, 1977 |
| An injection molding machine wherein the ram in the injection cylinder can be moved at several speeds and can be subjected to different fluid pressures by an apparatus having a two-way valve whose inlet is connectable to one or more pumps by way of discrete check valves and whose out |
| 3987705 |
Device for opening and closing a mold in a molding machine |
October 26, 1976 |
| A differential piston is reciprocable in a cylinder and subdivides the latter into a first and a second chamber. The piston has a piston rod which extends through the second chamber outside the cylinder and is adapted to open and close the mold of a molding machine. An admitting cond |
