TWI329599B - Dynamic safety device for a cap-sealing - Google Patents

Dynamic safety device for a cap-sealing Download PDF

Info

Publication number
TWI329599B
TWI329599B TW97103034A TW97103034A TWI329599B TW I329599 B TWI329599 B TW I329599B TW 97103034 A TW97103034 A TW 97103034A TW 97103034 A TW97103034 A TW 97103034A TW I329599 B TWI329599 B TW I329599B
Authority
TW
Taiwan
Prior art keywords
sealing
safety device
safety
film
capping machine
Prior art date
Application number
TW97103034A
Other languages
Chinese (zh)
Other versions
TW200932629A (en
Inventor
Jung Nan Wang
Original Assignee
Jung Nan Wang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jung Nan Wang filed Critical Jung Nan Wang
Priority to TW97103034A priority Critical patent/TWI329599B/en
Publication of TW200932629A publication Critical patent/TW200932629A/en
Application granted granted Critical
Publication of TWI329599B publication Critical patent/TWI329599B/en

Links

Landscapes

  • Package Closures (AREA)
  • Closing Of Containers (AREA)

Description

1329599 九、發明說明: 【發明所屬之技術領域】 本發明係關於封蓋機動態式安全結構,尤指一種具備 雙重安全防護設計之封蓋機,當封蓋機有異物通過控制 系統之面板後,就可以利用安全裝置進行安全檢測,以 維護封蓋機使用者之安全到達最高境界,符合安全衛生 之結構特徵與設計。 : 【先前技術】 習知之封蓋機、封口機或封口膜機,如公告第390343 φ 號:具有安全裝置之封膜機。第一種習知之封膜機,其 安全裝置係於機體内設擋板,於擋板後側固設一觸動開 關,且觸動開關的前側端延設一頂片,當擋板被異物頂 推而產生向内擺動動作時,擋板就會推擠頂片而抵觸到 促動開關,而由觸動開關發出訊號令封膜作業停止,以 達使用的安全性及避免機體的損壞。 由第一種習知安全裝置,在於該觸動開關係設置於機 - 體内,利用擋板被觸動時去碰觸該靜態設置之觸動開關 頂片,造成控制系統停機。亦即第一種習知者僅於面板 φ 設安全防護設計,與本發明位於機體内所設之動態式安 —全裝置之特徵並不相同。 如公告第441566號:封口機之安全裝置。第二種習 知之封口機之安全裝置係於封口機之儀控箱的操作面板 底部樞設一觸動板,及於操作面板後側裝置一控制開關, 及該觸動板後側相對應於該控制開關裝設一掣動塊,當 觸動板以柩結元件為支點樞轉而改變控制開關與掣動塊 之關係位置,則封口機將呈斷電狀態。 第二種習知封口機安全裝置與第一種習知者之結構相 當,亦即第二種習知者僅於面板設安全防護設計,與本 1329599 置之特徵並不相 發明位於機體内所設之動態式安全裝 同。 、 -人如公告第395366號:封口機之安全裝置。第三 習Ϊ封:機,其安全裝置係於封σ機前側設儀控箱T儀 控相之操作面板底部係樞結有一觸動板,後側則裝置 一控制開關,且該控制開關連通於電源, 時電源將斷電者。第三種習知之封口機之安全裝置與: 及第一種習知者之結構相當,亦即第三種習知者僅於1329599 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a dynamic safety structure of a capping machine, and more particularly to a capping machine having a double safety protection design, when the capping machine has foreign matter passing through the panel of the control system The safety device can be used for safety inspection to maintain the safety of the user of the capping machine to the highest level, and conform to the structural features and design of safety and health. : [Prior Art] A conventional capping machine, sealing machine or sealing film machine, such as the announcement No. 390343 φ: a sealing machine with a safety device. In the first conventional sealing machine, the safety device is provided with a baffle in the machine body, a touch switch is fixed on the rear side of the baffle, and a front piece is extended on the front end of the touch switch, and the baffle is pushed by the foreign object. When the inward swinging motion occurs, the baffle pushes the top sheet to contact the actuating switch, and the touch switch sends a signal to stop the sealing operation, so as to achieve safety and avoid damage to the body. The first conventional safety device is characterized in that the touch-opening relationship is set in the machine body, and when the baffle is touched, the statically-actuated touch switch top plate is touched, causing the control system to stop. That is, the first conventional person only has a safety protection design on the panel φ, which is different from the characteristics of the dynamic safety device provided in the body of the present invention. For example, Announcement No. 441566: Safety device for sealing machine. The safety device of the second conventional sealing machine is provided with a trigger plate at the bottom of the operation panel of the instrument control box of the sealing machine, and a control switch on the rear side of the operation panel, and the rear side of the touch panel corresponds to the control The switch is provided with a swaying block. When the triggering plate pivots with the splicing element as a fulcrum to change the position of the relationship between the control switch and the swaying block, the sealing machine will be in a power-off state. The second conventional sealing machine safety device is equivalent to the structure of the first known person, that is, the second conventional person only has a safety protection design on the panel, and the characteristics of the present invention are not invented in the body. Set the dynamic security package. - Persons such as Announcement No. 395366: Safety devices for sealing machines. The third method is: the safety device is connected to the front side of the sealing device, and the bottom of the operation panel of the instrument control box T is pivoted with a trigger plate, and the rear side is a control switch, and the control switch is connected to When the power is turned on, the power will be cut off. The safety device of the third conventional sealing machine is equivalent to the structure of the first known person, that is, the third conventional person only

,,設安全防護設計,與本發明位於機體内所設之動態 式安全裝置之特徵並不相同。 " 另如公告第506397號:封蓋機結構改良(二)。第四 ,習知封蓋機之安全裝置,係在封膜裝置的前側端面螺 设二梢釘,而以一觸動片垂掛於梢釘,使觸動片可作前、 後之擺動及上、下升降之移位,又在平板的上側端片固 設一觸動開關,該觸動開關下側以一折曲的觸動件沿伸 於觸動片的上方及前方,使觸動片因被碰撞產生前、"後 擺動或上、下升降之移位時,就會頂抵觸動件使觸 關觸發,而令電源中斷者。The safety protection design is not the same as the dynamic safety device provided in the body of the present invention. " Another example is Announcement No. 506397: Improvement of the structure of the capping machine (2). Fourthly, the safety device of the conventional capping machine is provided with two nails on the front side surface of the film sealing device, and a touch piece is hung on the tip nail, so that the touch piece can be used for front and rear swinging and up and down. In the shifting of the lifting and lowering, a touch switch is fixed on the upper end piece of the flat plate, and the lower side of the touch switch extends along the upper side and the front side of the touch piece with a bent touch piece, so that the touch piece is generated before being hit, &quot When the rear swing or the up and down movements are shifted, the trigger will be triggered against the trigger to cause the power to be interrupted.

即第四種習知者僅於面板設安全防護設計,與本發明 位於機體内所設之動態式安全裝置之特徵並不相同。X 次又如公告第51 1625號:封蓋機之改良構造追加一。 種習知之封蓋機,其安全裝置係於封壓機構之外側 前端設安全擋板,安全擋板内侧設可調整頂桿,藉由調 整該頂桿頂推擋板,並使該擋板保持靈敏狀態,又該檔 板内側設有一觸動開關,於封膜作業中當外物觸及該檔 板時,藉由該檔板直接抵觸到觸動開關,該觸動開關發 出訊號,令封膜作業停止。 即第五種習知者僅於面板設安全防護設計,與本發明 1329599 位於機體内所設之動態式安全裝置之特徵並不相同。 為此,本發明者,積多年相關機械設備之設計與開 發之經驗,乃針對目前市售各種封蓋機安全裝置之設置 問題加以研究,而發明本案。 【發明内容】 , 本發明之目的,在提供一種具備雙重安全防護功能之 " 封口機,當有異物通過控制系統之面板後,可利用安全 - 裝置進行安全檢測,以維護封蓋機使用者之安全到達最 - '高境界,符合安全衛生之結構特徵與設計。 φ 本發明之特點: 本發明之封蓋機動態式安全結構,其中該安全裝置設 於機體之基座,並設固定座,以固定於基座,且固定座 並向上延伸而位於馬達座板上方,且並設有感應元件, 又設有延伸桿,延伸桿並向下延伸到較圓形切刀之較低 處。 本發明之封蓋機動態式安全結構,當有異物通過控制 系統之面板下方後,就可利用安全裝置進行安全檢測, 以維護封蓋機使用者之安全。 • 【實施方式】 ' 如此,為使貴審查員可充份了解本發明,茲依附 '圖式解說如下: 如圖1〜3所示,本發明之封蓋機動態式安全結構, 包含: . 機體1,於機體1設膠膜座10、11,其中膠膜座 1 0可為未封合之膠膜1 2設置,但膠膜座1 1則用以 _ 收合已封合且被裁切之膠膜,而膠膜1 2則由膠膜座1 0繞經數支轴桿1 4再捲設於膠膜座1 1,且利用膠膜 座1 1後方設置之傳動設備,以對膠膜產生捲繞傳動作 1329599 用。 封口機構2,如圖1〜4所示,設傳動馬達2 〇, 傳動馬達2 0經適當地減速後,其心軸2 〇 〇並栓設有 偏心塊2 Ο 1,此偏心塊2 Ο 1並為連桿2 1之一端軸 設,此連桿2 1另端則軸設在封口設備之傳動塊2 2上 :; 方。又馬達2 0之〇Ν /〇F F運作,係在連桿2 1到 達某一定點之位置’於偏心塊2 Ο 1側設有一微動開關 • 2 0 3 ’利用微動開關2 0 3被碰觸,使馬達2 〇產生 - 定點之作用。 • 次馬達2 0係固設於馬達座板2 3上方,馬達座板2 3被固设於機體内部,且除具中孔2 3 〇以為連桿2 1 穿過外,並5又有軌孔2 3 1以為定向轴2 4伸設。封口 機構2設定向軸2 4,定向軸2 4下端並固設於基座2 5,基座2 5再穿設複數栓桿25〇,栓桿2 50再盥 切刀座2 6固設’且栓桿2 5 Q並均穿套有彈性元件g 5 1,讓切刀座2 6具備上下運動之效果,而切刀座2 設有圓形切刀2 6 〇,圓形切刀係被固定前述 • 二方’因此’當切刀座26因為下壓動作而上 2、::=對著封口膜進行切割動作。基座2 5再 / 2 ’螺栓2 5 2再與發熱塊2 7固設, 動;效果’發熱塊2 7則設有㈣體之設 動連桿2 當傳動馬達2〇帶 口進行熔接減 4發’’、、塊2 7先仃將膠膜壓合於杯 形= 而待馬達心軸再轉動-角度,會令圓 周(杯沿)4::=作即依杯, 達20再順向轉動,即可使封口:構= 1329599 體1設控制系統2 8,控制系統2 8設面板2 8 0。 安全裝置3,設於前述機體1之基座2 5處,如圖 5所示’安全裝置3設固定座3 0,以固定於前述基座 2 5 ’且固定座3 0並向上延伸而位於馬達座板2 3上 方’且設感應元件3 1 ’感應元件3 1可以光電類開關 為之’亦可以微動開關或其他種類並適合本發明之開關 均可’端視實際需要。感應元件3 1可設於前述固定座That is, the fourth conventional person only has a safety protection design on the panel, which is different from the features of the dynamic safety device provided in the body of the present invention. X times as announced in Announcement No. 51 1625: The improved structure of the capping machine is added one. The conventional sealing device has a safety device which is provided with a safety baffle at the front end of the sealing mechanism, and an adjustable ejector is arranged inside the safety baffle, and the baffle is pushed up by adjusting the ejector pin, and the baffle is kept In the sensitive state, the inside of the baffle is provided with a touch switch. When the foreign object touches the baffle in the sealing operation, the baffle directly contacts the touch switch, and the touch switch sends a signal to stop the sealing operation. That is, the fifth conventional person only has a safety protection design on the panel, and the characteristics of the dynamic safety device provided in the body of the invention 1329599 are not the same. To this end, the inventors of the present invention have accumulated years of experience in the design and development of related mechanical equipment, and have invented the present invention in view of the problem of setting up various commercially available capping machine safety devices. SUMMARY OF THE INVENTION The object of the present invention is to provide a "sealing machine with double safety protection function". When a foreign object passes through the panel of the control system, the safety device can be used for safety detection to maintain the user of the capping machine. The safety reaches the most - 'high realm, in line with the safety features of the structure and design. φ Features of the present invention: The dynamic safety structure of the capping machine of the present invention, wherein the safety device is disposed on the base of the body, and is provided with a fixing base for fixing to the base, and the fixing seat extends upward and is located at the motor seat plate. Above, and with sensing elements, there is an extension rod that extends the rod and extends down to the lower part of the circular cutter. The dynamic safety structure of the capping machine of the invention can be safely detected by using a safety device when a foreign object passes under the panel of the control system to maintain the safety of the user of the capping machine. • [Embodiment] In this way, in order to enable the examiner to fully understand the present invention, the following is a schematic diagram of the following: As shown in Figures 1 to 3, the dynamic safety structure of the capping machine of the present invention comprises: The body 1 is provided with a film holder 10, 11 in the body 1, wherein the film holder 10 can be provided for the unsealed film 12, but the film holder 1 1 is used for _ folding and sealed The film is cut, and the film 1 2 is wound by the film holder 10 around the plurality of shafts 14 and then wound on the film holder 1 1 , and the transmission device disposed behind the film holder 1 1 is used. The film is produced by the winding action 1329599. The sealing mechanism 2, as shown in Figs. 1 to 4, is provided with a transmission motor 2 〇. After the transmission motor 20 is appropriately decelerated, the spindle 2 is clamped with an eccentric block 2 Ο 1, and the eccentric block 2 Ο 1 And for one end of the connecting rod 2 1 shaft, the other end of the connecting rod 2 1 is arranged on the transmission block 2 2 of the sealing device:; In addition, the motor 2 0 / 〇 FF operates at the position where the connecting rod 2 1 reaches a certain point. 'The micro-switch is provided on the eccentric block 2 Ο 1 side. 2 2 3 ' is touched by the micro switch 2 0 3 , so that the motor 2 〇 produces - a fixed point. • The secondary motor 20 is fixed above the motor base plate 2 3 , and the motor base plate 23 is fixed inside the body, and the middle hole 2 3 〇 is considered to be the connecting rod 2 1 through, and 5 is railed The hole 2 3 1 is such that the orientation axis 24 extends. The sealing mechanism 2 is set to the shaft 2 4 , the lower end of the orientation shaft 24 is fixed to the base 2 5 , and the base 2 5 is further provided with a plurality of bolts 25 , and the bolts 2 50 are then fixed to the cutter seat 26 6 ' And the bolts 2 5 Q are all sleeved with the elastic element g 5 1, so that the cutter seat 26 has the effect of moving up and down, and the cutter seat 2 is provided with a circular cutter 2 6 〇, the circular cutter is tied Fixing the above • The two sides 'thus' therefore, when the cutter seat 26 is pressed, the upper 2:::= is cut against the sealing film. Base 2 5 / 2 'Bolt 2 5 2 and then heat block 2 7 fixed, moving; effect 'heat block 2 7 is equipped with (four) body set link 2 when the drive motor 2 〇 port to weld reduction 4 hair '', block 2 7 first 仃 press the film to the cup shape = and the motor mandrel is rotated again - the angle will make the circumference (cup edge) 4:: = as the cup, up to 20 Turning, you can make the seal: structure = 1329599 body 1 set control system 2 8, control system 2 8 set panel 2 800. The safety device 3 is disposed at the base 25 of the body 1. As shown in FIG. 5, the safety device 3 is provided with a fixing base 30 for fixing to the base 2 5 ' and the fixing base 30 and extending upward. Above the motor seat plate 2 3 'and the sensing element 3 1 'the sensing element 3 1 can be an optical switch. 'Also can be a micro switch or other types of switches suitable for the present invention can be 'tailed to the actual needs. The sensing element 31 can be disposed on the aforementioned fixing seat

3 0 ;又設延伸桿3 2,延伸桿3 2係穿設於前述固定 座3 0,且如圖6所示,延伸桿3 2並向下延伸到比前 述切刀座2 6之更低處。 如此’當有異物通過控制系統之面板下方 用安全裝置進行安全檢測,以維護封蓋機使用者之安全 置杯機構4,置杯機構4包含傳動設備,如圖2及 3所示,傳動設備設馬達4 〇,馬達心軸4 〇 〇設偏心 塊4 1,偏心塊4 1再與連桿4 2之一端軸設,且此連 桿另端並軸設於置杯架4 3。利用置杯架43以為 待封蓋之杯子設置。 …綜上,當使用者將杯子置於前述置杯座4 3,若手指 ^ 杯子’㈣系,統就已誤動料,置杯機構會將 座、杯子及使用者之手4往機體内輸送,使 觸前述第一安全裝置之活動板,迅速關 里^ 若有不會碰觸到控制系統之面板之 八物時,進入安全裝置之位置’ 封口時,會將安全萝η:对機構向下準備 延伸产7 f女王裝置㈣向下運動,而讓安全裝置之 乙伸#可以先碰觸到異物,此時, 之 ,應元件31錢到延伸桿32=二動二 控制系統運作’強制控㈣統斷電,確保封口 = (或%封蓋機/封膜機)之使用環境更安全,提高封蓋 機之價值。 【圖式簡單說明】 圖1是本發明之前視剖視圖。 圖2是本發明之側剖視圖。 】3:本發明安全裝置之動作側剖視圖。 ,4,本發明之封口機構部分分解視圖。 二f,本發明封口機構及安全裝置之部分分解視圖。 疋本發明封口機構及安全裝置之組合立體視圖。 【主要元件符號說明】 機體1、膠膜座1 〇、i i、膠膜i 2、軸桿工4 封口機構2、傳動馬達2 〇、心軸2 〇 〇、偏心塊2 〇 1、連桿2 1、傳動塊2 2、微動開關2 0 3、馬達 座板2 3、中孔2 3 0、軌孔231、定向軸24、基 座25、栓桿250、切刀座26、彈性元件251、 2 5 3、圓形切刀2 6 0、發熱塊2 7、控制系統2 8、 面板2 8 0 安全裝置3、固定座30、感應元件3 1、延伸桿 3 2 置杯機構4、馬達4 0、馬達心軸4 0 〇 '偏心塊 4 1、連桿4 2、置杯架4 33 0; an extension rod 3 2 is further provided, and the extension rod 32 is threaded through the fixing base 30, and as shown in FIG. 6, the extension rod 3 2 extends downward to be lower than the cutter holder 26 At the office. In this way, when there is a foreign object passing through the control system, the safety device is used for safety detection to maintain the safety of the capping machine user 4, and the cup mechanism 4 includes the transmission device, as shown in Figures 2 and 3, the transmission device The motor 4 〇 is arranged, the motor spindle 4 is provided with an eccentric block 4 1, and the eccentric block 4 1 is further arranged with one end of the connecting rod 4 2 , and the other end of the connecting rod is axially arranged on the cup holder 43 . The cup holder 43 is used to set the cup to be capped. ...in summary, when the user places the cup in the aforementioned cup holder 4 3, if the finger ^ cup '(4) system, the system has been misplaced, and the cup mechanism will place the seat, the cup and the user's hand 4 into the body. Conveying, so that the movable plate of the first safety device can be quickly closed. If there is an eight object that does not touch the panel of the control system, the position of the safety device will be closed. Prepare to extend the 7 f queen device (4) downward movement, and let the safety device B extension # can touch the foreign object first, at this time, the component 31 money to the extension rod 32 = two movement two control system operation ' Forced control (4) to cut off electricity, ensure that the sealing environment = (or % capping machine / sealing machine) is safer to use, and increase the value of the capping machine. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front cross-sectional view of the present invention. Figure 2 is a side cross-sectional view of the present invention. 3: A side cross-sectional view of the operation of the safety device of the present invention. 4 is a partially exploded view of the sealing mechanism of the present invention. A partial exploded view of the sealing mechanism and the safety device of the present invention. A perspective view of the combination of the sealing mechanism and the safety device of the present invention. [Main component symbol description] Body 1, film holder 1 〇, ii, film i 2, shaft rod 4 sealing mechanism 2, transmission motor 2 〇, mandrel 2 〇〇, eccentric block 2 〇 1, connecting rod 2 1. Transmission block 2 2. Micro switch 2 0 3. Motor seat plate 2 3, middle hole 2 3 0, rail hole 231, orientation shaft 24, base 25, bolt 250, cutter seat 26, elastic member 251, 2 5 3, circular cutter 2 6 0, heating block 2 7 , control system 2 8 , panel 2 8 0 safety device 3 , fixing seat 30 , sensing element 3 1 , extension rod 3 2 cup setting mechanism 4 , motor 4 0, motor spindle 4 0 〇 'eccentric block 4 1 , connecting rod 4 2, set cup holder 4 3

Claims (1)

1329599 十、申請專利範圍: 1 · 一種封蓋機動態式安全結構,至少包含: 機體,機體設膠膜座,以為膠膜設置;及設封口機構, 以將封口膜封合於杯子上方; 安全裝置,設於機體内部,且設固定座及設感應元 件;又設延伸桿,延伸桿可穿設於前述固定座。 2·依申請專利範圍第1項所述之封蓋機動態式安全 結構,其中安全裝置之延伸桿並向下延伸到比切刀座更低 處。1329599 X. Patent application scope: 1 · A dynamic safety structure of the capping machine, comprising at least: the body, the body is provided with a film seat, which is set as a film; and a sealing mechanism is provided to seal the sealing film above the cup; The device is disposed inside the body, and is provided with a fixing base and an inductive component; and an extension rod is disposed, and the extension rod can be disposed on the fixing seat. 2. The dynamic safety structure of the capping machine according to item 1 of the patent application, wherein the extension rod of the safety device extends downward to a lower position than the cutter seat.
TW97103034A 2008-01-28 2008-01-28 Dynamic safety device for a cap-sealing TWI329599B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW97103034A TWI329599B (en) 2008-01-28 2008-01-28 Dynamic safety device for a cap-sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW97103034A TWI329599B (en) 2008-01-28 2008-01-28 Dynamic safety device for a cap-sealing

Publications (2)

Publication Number Publication Date
TW200932629A TW200932629A (en) 2009-08-01
TWI329599B true TWI329599B (en) 2010-09-01

Family

ID=44865655

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97103034A TWI329599B (en) 2008-01-28 2008-01-28 Dynamic safety device for a cap-sealing

Country Status (1)

Country Link
TW (1) TWI329599B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108216773A (en) * 2016-12-12 2018-06-29 鹤山赛威乐电子有限公司 A kind of full automatic sealing machine of the wrong tactile protective device of band

Also Published As

Publication number Publication date
TW200932629A (en) 2009-08-01

Similar Documents

Publication Publication Date Title
TWI330302B (en) Obstacle detection device of autonomous mobile system
TWI329599B (en) Dynamic safety device for a cap-sealing
MY183756A (en) Piece of furniture comprising a switch element
CN206134593U (en) Protector and kitchen appliance are emptyd to mechanical type
CN102881526B (en) Breaker contact state indicating mechanism
JP2018140795A (en) Folding device
CN109106176A (en) The household umbrella rack of intelligence
TW200824973A (en) A safety device of cap sealing machine
TWM537071U (en) Sealing machine with safety protection mechanism for inadvertent touch
JP2015215748A5 (en)
JP2012505800A5 (en)
CN207384138U (en) Agitator for food-making
CN203739509U (en) Electric pencil sharpener with improved hob safety structure
CN103950567A (en) Novel cup sealing machine
CN207624571U (en) A kind of microswitch with signaling transfer point
CN203208066U (en) Surgical operation instrument
CN208471503U (en) A kind of ampoule bottle cutter device
TWI271228B (en) Device to monitor wire material for wire drawing machine
TWI377157B (en) Mobile safety gate of a cap sealing machine
JP6631056B2 (en) Simulated experience device
CN207249812U (en) A kind of access section baffle mechanism of jewelry Vending Machine
CN201882884U (en) Dynamic safety gate for cap sealing machine
CN209208137U (en) A kind of box folding machine blocking package warning device
JP2013198702A5 (en)
TWM282922U (en) Safety apparatus for sealing machine

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees