自50年代塑料薄(bo)膜勝利地(di)應用(yong)于商品(pin)包(bao)裝(zhuang)以來，真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)技術得(de)到(dao)迅速的(de)發(fa)展。60、70年代真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)主要用(yong)于肉(rou)(rou)類食(shi)品(pin)。德國是世界(jie)上(shang)包(bao)裝(zhuang)工業最(zui)發(fa)達的(de)國家之一(yi)，其(qi)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)機(ji)(ji)及真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)技術享有(you)盛名。克萊默爾·格雷伯機(ji)(ji)械制造公司1965年開始生產熱(re)成(cheng)型真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)機(ji)(ji)，對(dui)肉(rou)(rou)類的(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)進(jin)行了大量(liang)的(de)研究，取得(de)了許多效果(guo)，如對(dui)烤肉(rou)(rou)的(de)包(bao)裝(zhuang)，抽真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)后(hou)(hou)加適量(liang)的(de)氧(yang)(yang)(yang)氣(qi)；對(dui)含有(you)40％脂(zhi)肪的(de)香(xiang)腸，抽真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)后(hou)(hou)加適量(liang)的(de)二氧(yang)(yang)(yang)化(hua)(hua)碳；對(dui)面包(bao)、花生抽真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)后(hou)(hou)充氮氣(qi)和適量(liang)的(de)二氧(yang)(yang)(yang)化(hua)(hua)碳等(deng)(deng)等(deng)(deng)達到(dao)預定真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)度后(hou)(hou)，真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)包(bao)裝(zhuang)將食(shi)品(pin)裝(zhuang)入包(bao)裝(zhuang)袋抽出包(bao)裝(zhuang)袋內的(de)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)氣(qi)。完成(cheng)封(feng)口(kou)工序。