The so-called glass bott鐘舞le suture is the line produced w花坐hen the two pieces of mould are conn近匠ected at the forming of the bottle.

In ancient times, there was no seam lin電月e when making glass bottles by hand. Be從樂cause the workers use iron pipes 來計to pick out the liq老金uid glass and blow i購紙t, the liquid glass m匠體ass turns, blows, deforms, so喝訊lidifies and cools in their h老玩ands and forms. At that time, there 歌近was no first mold or mout請山h mold for blowing b玩化ottles. The glass bottles are a購家ll different. Size is a personal sk師短ill, they are completely free to play. 愛腦Therefore, the glass b自拍ottle blown in this way has n作水o seam line. This kin雜他d of glass bott木放le brings different weight, shap什作e and capacity. Many problems h行睡ave arisen in shape packaging and f明筆illing. With the deve請習lopment of society, this kind 遠頻of glass bottle is 月了gradually eliminated, and now it子算 can only be pr到林eserved as a handicraft 多生until now.

Historical evol綠畫ution:

In order to unif些近y the shape and capacity of gl鄉女ass bottles, standardized p畫費roduction is realized. The glass bottl見見e industry must adopt mo下那uld production. Molds are ma森月de of clay, stone and wood. Metal molds湖是 were invented in England i民近n 1811. Since there is a m女聽old, and the glass bott場謝le after blowing must be t區綠aken out of the雪票 mold, the mold must be ma兒筆de into multiple flaps. So the站筆 glass bottle has a 市師seam line (or seam l學信ine). What was the stit多我ching like back then? How did it evolv路吧e?

1. Half seams

The simplest idea of the year: t做醫he mold is two-piece, so that the學學 glass bottle can be formed and e開南ach glass bottle is s音身tandard. Workers知雨 can "take" the sha影時ped glass bottle out of the mol身通d, which is in lin通問e with industrial prod友做uction.

After the initial material embryo is t秒弟ransferred to this mold, the吃老 workers operate the handle on bot票火h sides to close it,年大 blow it into a bott離弟le, then open it,有哥 and clamp the gla跳黑ss bottle out. The right side o短些f Figure 2 is a picture火體 of the two petal molding mo湖地ld actually used in that y這學ear. The glass bottle produced機北 by this kind of mold

There is a seam line at the b票農ottom of this kind of 街低glass bottle mold, which affects the 但喝placement of glass 黃土bottles, especially也男 when the glass bottles are slender.

Later development added mold bas商微e. The die is made up of three 計現parts. The bottom of 討西the die is very small. Commonly 費好known as small mold botto河離m.

The glass bottle made by this kind of喝嗎 mould has a deep seam 件坐at the bottom of服城 the bottle.

3. There is also a kind of mo美老lding which is also c亮河omposed of three parts. The bottom of t站農he mold is like a hig區體h cylinder. Commonly known as hi是小gh mold bottom.

This set of moul城長ds has a high moul拿坐d bottom, which is shown on t費什he right of Figure 5. Hal空業f of the whole bottle b話司ody is a whole with the mo河如uld bottom. So its seam is in 畫話the middle of the bottle. Glass bottle 煙站made by this kind of mould

There is no seam line a土樹t the bottom of the glass 快這bottle, but there i要木s a circle of seam line in the middle 一河of the bottle body, which is very 歌老ugly, especially for the bottle with l工的abel. Because the 議短bottom of the mould is very high,還窗 which accounts for about half of the t亮鐵otal height of the glass bottle, 男農it is very diffic工暗ult to clamp the blown h學很ot glass bottle out, 書購and it often damages th熱爸e hot glass bottle.

The seam line (seam line) created新紅 above seems to be very simple and nai可鐘ve today, but it was a great progr窗員ess at that tim車船e, which is the only way in t門日he long history of bottle m紙購aking. The spirit of explo街紙ration and practice of these pioneer市喝s is worthy of our admira科店tion.

There is no seam line at 友哥the bottom of the glass bottle, 都吃but there is a circle of seam line in t好務he middle of the bottle body, 間會which is very ugly, especially fo美爸r the bottle with label. Because t知朋he bottom of the mould is ver相讀y high, which accounts for about hal很冷f of the total height of the glass bot數購tle, it is very difficult to clamp th放白e blown hot glass bottle out愛學, and it often d男吧amages the hot glass西月 bottle.

The seam line (seam line) cr匠玩eated above seems to be v又關ery simple and naive today, but it was秒低 a great progress at that tim火不e, which is the街懂 only way in the long history身鄉 of bottle making. The spirit of e秒雪xploration and pr窗問actice of these p家美ioneers is worthy of our admira志做tion.