Method For Manufacturing Glass Bottles By Glass Bottle Manufacturer

Method for manufacturing glass bottles by glass bottle manufacturer

A method for manufacturing glass bottles(by glass bottle manufacturer) is disclosed which includes consecutively delivering gobs of molten glass into a blank mold, forming each gob into a parison, transferring the parisons alternately into at least two sets of blow molds, allowing said parisons to reheat, and expanding the parisons in the blow molds. The sets of blow molds reciprocate along a substantially vertical path.

BACKGROUND OF THE INVENTION

In the glass industry today the most common glass container manufacturing machine is the Hartford type "I.S." machine. It is estimated that in the United States alone, there are over six thousand "I.S." sections in daily operation. This machine is described in Ingle U.S. Pat. Nos. 1,843,160 and 1,911,119.

In the original disclosure of the I.S. machine, the machine was intended to make glass containers by the well-known "blow and blow" process. Subsequently, Rowe U.S. Pat. No. 2,289,046 disclosed the "62" process which could be applied to the basic machine to enable it to make containers by the "press and blow" process which is the preferred method of manufacturing wide mouth ware or jars. This development enabled the glass industry to use one machine for all types of ware instead of having a "narrow neck" machine like the Owens or Lynch machines for making bottles and a "widemouth" machine like the Miller machine for making glass jars.

SUMMARY OF THE INVENTION

The present glass bottle relates to and provides a novel modification to the known bottle forming process whereby reheat time is maintained for thinner and lighter bottles, and production speed is increased. The reheat time itself is maintained or increased by eliminating some or all of the reheat part of the cycle from the blank mold section and placing it in the blow mold section. Sufficient time for reheating and blowing at higher production rates is made available by using a plurality of blow molds for each blank mold. With this arrangement, one set of parisons may be reheated and blown in one set of blow molds while, at a second set of blow molds, blowing of a set of bottles is completed, the bottles are removed and a new set of parisons is delivered. The plurality of blow molds reciprocate along a substantially vertical path and into and out of a position where the parisons are alternately received by the pairs of blow molds. The vertical path falls within the plane of transfer of the parison from the blank mold to the blow molds. The parisons are held in the blow molds for a sufficient period of time to achieve reheating prior to blowing the parisons into bottles.

by: wan

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